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Ringer

Ringer

Ask a doctor about a prescription for Ringer

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Doctor

Tarek Agami

General medicine10 years of experience

Dr. Tarek Agami is a general practitioner registered in both Portugal and Israel, with broad experience in family and preventive medicine. He offers online consultations for adults and children, providing personalised support for primary care needs, chronic disease management, and everyday health concerns.

Dr. Agami received clinical training and worked in leading medical institutions in Israel (Kaplan Medical Center, Barzilai Medical Center, Wolfson Medical Center) and Portugal (European Healthcare City, Viscura Internacional, Hospital Dr. José Maria Grande, Hospital Vila Franca de Xira). His approach combines international medical standards with individualised attention to each patient.

Main areas of consultation:

  • Diagnosis and treatment of acute and chronic conditions (high blood pressure, diabetes, respiratory infections, cardiovascular symptoms)
  • Evaluation of symptoms and guidance on further diagnostic testing
  • Preventive check-ups and regular health monitoring
  • Medical support during travel or after relocation
  • Treatment adjustments and lifestyle recommendations based on your personal history
Dr. Agami provides medical support for patients using GLP-1 medications (such as Ozempic or Mounjaro) as part of a weight loss strategy. He offers individualised treatment planning, regular follow-up, dose adjustment, and advice on combining medication with sustainable lifestyle changes. Consultations follow the medical standards accepted in Portugal and Israel.

Dr. Agami is committed to evidence-based, patient-centred care, ensuring that each person receives trusted medical support tailored to their health goals.

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This page is for general information. Consult a doctor for personal advice. Call emergency services if symptoms are severe.
About the medicine

How to use Ringer

PATIENT INFORMATION LEAFLET: USER INFORMATION

Ringer, solution for infusion

Active substances: sodium chloride, potassium chloride, and calcium chloride dihydrate

Read the leaflet carefully before using the medicine, as it contains important information for the patient.

  • Keep this leaflet, you may need to read it again.
  • In case of any doubts, consult a doctor or nurse.
  • If the patient experiences any side effects, including any side effects not listed in this leaflet, they should inform their doctor or nurse.

Table of contents of the leaflet:

  • 1. What is Ringer solution and what is it used for
  • 2. Important information before using Ringer solution
  • 3. How to use Ringer solution
  • 4. Possible side effects
  • 5. How to store Ringer solution
  • 6. Package contents and other information

1. What is Ringer solution and what is it used for

Ringer solution for infusion is an aqueous solution containing the following substances:

  • sodium chloride,
  • potassium chloride,
  • calcium chloride dihydrate.

Ringer solution for infusion is used to treat loss of water from the body (dehydration) and chemicals (e.g., due to excessive sweating, kidney disorders).

2. Important information before using Ringer solution

DO NOT USE Ringer solution, solution for infusion, if the patient has any of the following conditions:

  • premature infants and newborns born at term (up to 28 days of age): the antibiotic ceftriaxone should not be administered by intravenous infusion simultaneously with this solution;
  • in cases where fluid accumulates excessively in the spaces around cells (extracellular overhydration);
  • in cases of increased blood volume in the vessels (hyperolemia);
  • severe kidney failure (when the kidneys do not work properly and the patient requires dialysis);
  • uncontrolled heart failure. This is heart failure that is not being treated properly and causes symptoms such as:
  • shortness of breath;
  • swelling around the ankles;
  • in cases of excessive fluid in the body due to high salt content in the blood (hypertonic dehydration);
  • high potassium levels in the blood (hyperkalemia);
  • high sodium levels in the blood (hypernatremia);
  • high calcium levels in the blood (hypercalcemia);
  • high chloride levels in the blood (hyperchloremia);
  • very high blood pressure (hypertension);
  • fluid accumulation under the skin, covering the entire body (generalized edema);
  • liver disease causing fluid accumulation in the abdominal cavity (liver cirrhosis with ascites);
  • in cases of taking cardiac glycosides (cardiotonic drugs) used to treat heart failure, such as digitalis or digoxin (see also "Other medicines and Ringer").

Warnings and precautions

Inform your doctor or nurse about the following circumstances and diseases that are currently present or have occurred in the past:

  • respiratory failure (lung disease) (in the above cases, the patient may need to be closely monitored);
  • any forms of heart disease or cardiac disorders;
  • kidney disorders;
  • high blood pressure (hypertension);
  • fluid accumulation under the skin, especially around the ankles (peripheral edema);
  • fluid accumulation in the lungs (pulmonary edema);
  • high blood pressure during pregnancy (pre-eclampsia);
  • diseases causing high levels of a hormone called aldosterone (aldosteronism);
  • any other conditions related to sodium retention (when the body retains too much sodium) such as steroid treatment (see also "Other medicines and Ringer");
  • disorders of cerebrospinal fluid (e.g., due to meningitis, intracranial hemorrhage, or brain damage);
  • conditions that may cause high vasopressin activity, a hormone that regulates fluid in the body, such as:
  • -sudden and severe illness or injury;
  • -recent surgery;
  • -brain disease;
  • -taking certain medications. These conditions may increase the risk of low sodium levels in the blood and cause headache, nausea, seizures, drowsiness, coma, and brain edema. Patients at higher risk of brain edema are:
  • children;
  • women (especially of childbearing age);
  • conditions where the adrenal glands produce insufficient amounts of certain hormones (adrenal insufficiency);
  • water loss from the body (acute dehydration, e.g., due to vomiting or diarrhea);
  • widespread tissue damage (e.g., after severe burns);
  • diseases associated with high levels of vitamin D (e.g., sarcoidosis, skin and internal diseases);
  • diseases associated with kidney stones;
  • the antibiotic ceftriaxone should not be mixed or administered simultaneously with any solutions containing calcium, in case of intravenous administration. This solution contains calcium. In patients over 28 days of age, ceftriaxone and a calcium-containing solution may be administered sequentially, one after the other, provided the doctor takes action to avoid a reaction between the medicines. In cases where the adult or child patient has a small blood volume, the doctor will avoid administering calcium and ceftriaxone sequentially;
  • heart failure.

In patients receiving this infusion, blood and urine tests will be performed, and the doctor will also monitor:

  • the amount of fluid in the body;
  • vital signs;
  • the amount of substances such as sodium, potassium, calcium, and chlorides (serum electrolytes).

Although Ringer solution for infusion contains potassium and calcium, their amount is not sufficient to:

  • maintain adequate levels of these substances;
  • treat very low levels of potassium (severe hypokalemia) or calcium (severe hypocalcemia) in the blood.

After correcting dehydration with Ringer solution, the doctor will use another infusion solution to provide the body with adequate amounts of potassium and calcium. The doctor will consider whether the patient is receiving parenteral nutrition (nutrition administered through a vein). In cases where Ringer solution is administered for a long time, the patient will receive nutrients from an additional source.
Calcium chloride can be harmful if injected into body tissues. Therefore, Ringer solution should not be injected into muscles (intramuscular injection). The doctor will also make every effort to avoid the solution leaking into the tissues surrounding the vein.
Ringer solution for infusion should not be administered through the same needle as a blood transfusion. This can cause damage to red blood cells or their clumping.

Ringer solution and other medicines

Inform your doctor or nurse about all medicines you are currently taking or have recently taken, as well as any medicines you plan to take.
It is especially important to inform your doctor about the use of:

  • ceftriaxone (an antibiotic) administered intravenously (see Warnings and precautions);
  • cardiac glycosides (cardiotonic drugs) such as digitalis or digoxin used to treat heart failure; they should not be used in combination with Ringer solution (see also the point "DO NOT USE Ringer solution if the patient has..."). The action of these drugs may be enhanced by calcium, which can lead to life-threatening changes in heart rhythm.

The following medicines may cause sodium and water retention in the body, leading to tissue swelling and increased blood pressure:

  • corticosteroids (anti-inflammatory drugs);
  • carbenoxolone (an anti-inflammatory drug used to treat stomach ulcers).

The following medicines may increase potassium levels in the blood. This effect can be life-threatening. Increased potassium levels in the blood are more likely to occur in patients with kidney disease:

  • potassium-sparing diuretics (certain diuretic drugs, e.g., amiloride, spironolactone, triamterene) (note that these drugs may be part of combination products);
  • angiotensin-converting enzyme inhibitors (ACE inhibitors) (used to treat high blood pressure);
  • angiotensin II receptor antagonists (used to treat high blood pressure);
  • tacrolimus (used to prevent transplant rejection and treat certain skin diseases);
  • cyclosporine (used to prevent transplant rejection).

Some medicines may increase the risk of side effects due to low sodium levels in the blood. These medicines may include:

  • diuretic drugs;
  • -pain-relieving and (or) anti-inflammatory drugs (also known as NSAIDs);
  • -antipsychotic drugs;
  • -drugs used to treat depression (selective serotonin reuptake inhibitors);
  • -drugs that produce effects similar to morphine (opioids);
  • -some drugs used to treat epilepsy (antiepileptic drugs);
  • -the hormone oxytocin (causes uterine contractions);
  • -some drugs used to treat cancer (chemotherapy);
  • -cholesterol-lowering drugs;
  • -antidiabetic drugs.

Other medicines that may affect the action of Ringer solution or be affected by it include:

  • thiazide diuretic drugs such as hydrochlorothiazide or chlorthalidone;
  • vitamin D.

Using Ringer solution with food and drink

Ask your doctor what foods and drinks you can consume during treatment.

Pregnancy, breastfeeding, and fertility

If you are pregnant or breastfeeding, think you may be pregnant, or plan to have a child, consult your doctor or nurse before using this medicine.
Ringer solution for infusion can be used safely during pregnancy or breastfeeding, provided that electrolyte and fluid balance is monitored by a doctor. The doctor will pay special attention when using oxytocin in a patient during labor.
Calcium can pass into the baby's body through the placenta, and after birth, through breast milk. The doctor will monitor the levels of substances and fluids in the patient's body.
If it is necessary to add another medicine to the infusion solution during pregnancy, especially during labor or breastfeeding, you should:

  • consult a doctor;
  • read the patient information leaflet of the medicine to be added.

Driving and using machines

Ringer solution does not affect the ability to drive or use machines.

3. How to use Ringer solution

Ringer solution for infusion is administered by a doctor or nurse. The doctor will decide what dose of the medicine to use and when to administer it. This will depend on the patient's age, weight, and treatment conditions and reasons. The amount of medicine administered may also depend on other medicines used by the patient.

DO NOT USE Ringer solution if the solution contains visible particles or if the packaging is damaged in any way.

Ringer solution is usually administered through a plastic tube connected to a needle inserted into a vein.
Typically, this solution is administered through a vein in the arm. However, the doctor may use a different method to administer the medicine to the patient.
In patients receiving Ringer solution for infusion, the doctor will perform blood tests to evaluate:

  • sodium, potassium, calcium, and chloride levels in the blood;
  • fluid levels.

Any unused remains of the solution should be discarded. Partially used bags of Ringer solution MUST NOT be reconnected.

Using more Ringer solution than recommended

In case of using too much Ringer solution (overdose) or administering the solution too quickly, the following symptoms may occur:

  • fluid overload and (or) sodium overload with excessive fluid accumulation in tissues (edema) causing swelling;
  • tingling sensation in hands and feet (paresthesia);
  • muscle weakness;
  • inability to move (paralysis);
  • irregular heartbeats (cardiac arrhythmia);
  • heart block (very slow heart rate);
  • cardiac arrest (heart stops beating: life-threatening condition);
  • confusion;
  • loss of appetite (anorexia);
  • nausea;
  • vomiting;
  • constipation;
  • abdominal pain;
  • mental disorders such as irritability or depression;
  • excessive thirst;
  • producing more urine than normal (polyuria);
  • kidney disease caused by calcium accumulation in the kidneys (nephrocalcinosis);
  • kidney stones;
  • coma (loss of consciousness);
  • chalky taste in the mouth;
  • flushing (hot flashes with facial flushing);
  • peripheral vasodilation (peripheral vasodilation);
  • acidosis of the blood (acidosis) causing fatigue, confusion, lethargy, and rapid breathing.

If the patient experiences any of these symptoms, they should immediately inform their doctor. The infusion will be discontinued, and the doctor will provide treatment depending on the symptoms.
If another medicine has been added to the Ringer solution, it may also cause symptoms before the symptoms of Ringer solution overdose occur. You should read the patient information leaflet of the medicine administered with Ringer solution to learn about possible symptoms.

Stopping Ringer solution treatment

The doctor will decide when to discontinue the infusion.
In case of any further doubts about using this medicine, consult a doctor or nurse.

4. Possible side effects

Like all medicines, Ringer solution can cause side effects, although not everybody gets them.
Side effects are listed according to their frequency of occurrence.
Very common(occurring in more than 1 in 10 patients):

  • changes in blood substance levels (electrolyte disorders).

In patients with heart disease or fluid in the lungs (pulmonary edema):

  • excessive fluid in the body (overhydration);
  • heart failure.

Other

  • reactions caused by the method of administering the medicine:
  • fever (febrile response);
  • infections at the infusion site;
  • pain or reaction at the injection site (redness or swelling at the infusion site);
  • irritation and inflammation of the vein into which the medicine was infused (phlebitis). This can cause redness, pain, or a burning sensation and swelling along the vein into which the medicine was infused;
  • blood clots in the veins (thrombophlebitis), at the infusion site, causing pain, swelling, or redness in the area of the clot;
  • leakage of the solution into the tissues surrounding the vein (extravasation). This can cause tissue damage and scarring;
  • low sodium levels in the blood (hyponatremia);
  • brain edema, which can cause brain damage (cerebral edema).

If another medicine has been added to the infusion solution, it may also cause side effects. These depend on the medicine added. You should read the patient information leaflet of the medicine administered with Ringer solution to learn about possible side effects.
If you experience any side effects, including any side effects not listed in this leaflet, you should consult a doctor or nurse.

Reporting side effects

If you experience any side effects not listed in this leaflet, you should inform your doctor, pharmacist, or nurse. Side effects can be reported directly to the Department of Drug Safety Monitoring of the Office for Registration of Medicinal Products, Medical Devices, and Biocidal Products
Al. Jerozolimskie 181C
02-222 Warsaw
Phone: +48 22 49 21 301
Fax: +48 22 49 21 309
Website: https://smz.ezdrowie.gov.pl
Side effects can also be reported to the marketing authorization holder.
Reporting side effects will help to gather more information on the safety of this medicine.

5. How to store Ringer solution

Store the medicine out of sight and reach of children.
There are no special precautions for storing the medicine.
Do not use this medicine after the expiry date stated on the infusion bag. The expiry date refers to the last day of the month stated.
Do not use this medicine if you notice visible particles or if the packaging is damaged in any way.

6. Package contents and other information

What Ringer solution contains

The active substances are:

  • sodium chloride: 8.60 g per liter
  • potassium chloride: 0.30 g per liter
  • calcium chloride dihydrate: 0.33 g per liter

Other substances are:

  • water for injections
  • sodium hydroxide

What Ringer solution looks like and what the package contains

Ringer solution for infusion is a clear solution free from visible particles.
It is available in polyolefin/polyamide plastic bags (Viaflo). Each bag is placed in a closed protective outer plastic package.
Bag sizes:

  • 500 ml
  • 1000 ml

Bags are supplied in cardboard boxes. The cardboard box may contain the following quantities:

  • 1 bag of 500 ml
  • 20 bags of 500 ml
  • 1 bag of 1000 ml
  • 10 or 12 bags of 1000 ml

Not all pack sizes may be marketed.

Marketing authorization holder and manufacturers

Marketing authorization holder:

Baxter Polska Sp. z o.o.
ul. Kruczkowskiego 8
00-380 Warsaw

Manufacturers:

Baxter S.A.
Boulevard René Branquart, 80
7860 Lessines
Belgium
Bieffe Medital S.A.
Ctra de Biescas, Senegüé
22666 Sabiñanigo (Huesca)
Spain
Date of last revision of the leaflet:January 2023
Baxter and Viaflo are trademarks of Baxter International Inc.

The following information is intended for healthcare professionals only:

Method of handling and preparation

Use only if the solution is clear, free from visible particles, and the container is undamaged. Administer immediately after connecting the infusion set.
Do not remove from the protective packaging until use.
The inner bag ensures the sterility of the product.
Plastic containers should not be connected in series. Such use could cause an air embolism due to residual air drawn into the first container before the infusion of the solution from the second container is completed. Applying additional pressure on intravenous solutions in flexible plastic containers to increase the flow rate may cause an air embolism if the residual air is not completely removed from the container before administration.
Using infusion sets with air vents, with the air vent valve in the open position, may cause an air embolism. Infusion sets with air vents, with the air vent valve in the open position, should not be used with flexible plastic containers.

  • 1. Opening
  • a. Remove the Viaflo bag from the protective packaging immediately before use.
  • b. By squeezing the inner bag firmly, check for leakage. If leakage is detected, the bag should be discarded, as the contents may not be sterile.
  • c. Check if the solution is clear and free from visible particles. If the solution is not clear or contains visible particles, it should be discarded.
  • 2. Preparation for administration During preparation and administration, use sterile materials.
  • a. Hang the bag on a stand.
  • b. Remove the plastic cover from the transfer port at the bottom of the bag:
    • grasp the smaller wing on the neck of the port with one hand;
    • grasp the larger wing on the plug with the other hand and twist;
    • the plug will come off.
  • c. When connecting the infusion set, follow aseptic techniques.
  • d. Connect the infusion set according to the instructions provided with the set, regarding connection, filling the set, and administering the solution.
  • 3. Methods of adding other medicines Note: Added medicines may be incompatible (see below, point 5 "Incompatibility of added medicines").

Adding medicines before administration

  • a. Disinfect the medicine addition port.
  • b. Using a syringe with a 19G (1.10 mm) to 22G (0.70 mm) needle, insert the needle into the self-sealing medicine addition port and inject the medicine.
  • c. Mix the solution with the added medicine thoroughly. For preparations with high density, such as potassium chloride, gently tap the ports with the bag ports facing upwards and mix.

Note: Do not store bags containing added medicines.
Adding medicines during administration

  • a. Close the infusion set clamp.
  • b. Disinfect the medicine addition port.
  • c. Using a syringe with a 19G (1.10 mm) to 22G (0.70 mm) needle, insert the needle into the self-sealing medicine addition port and inject the medicine.
  • d. Remove the bag from the stand and (or) turn it over with the ports facing upwards.
  • e. Empty both ports by gently tapping them with the bag ports facing upwards.
  • f. Mix the solution with the medicine thoroughly.
  • g. Hang the bag in its previous position, reopen the clamp, and continue the infusion.
  • 4. Shelf life during use (added medicines) Before use, the chemical and physical stability of each added medicine should be established in the pH range of Ringer solution in the Viaflo container. From a microbiological point of view, the product should be used immediately. If the solution is not used immediately, the user is responsible for the storage time and conditions before use, and storage should not exceed 24 hours at a temperature between 2°C and 8°C, unless the medicine is dissolved under controlled and validated aseptic conditions.
  • 5. Incompatibility of added medicines As with any solution for intravenous administration, the compatibility of the added medicine with the solution in the Viaflo container should be checked before addition. The doctor is responsible for assessing the incompatibility of the added medicine with Ringer solution by checking for any change in color and (or) the appearance of a precipitate, insoluble complexes, or crystals. You should read the instructions for the medicine to be added to the solution. Before adding the medicine, check if it is soluble and stable in water at the pH of Ringer solution (pH 5.0 to 7.5). Incompatibilities have been reported between calcium salts and a large number of drugs. Complexes may form, resulting in precipitation.
    • Concomitant administration of ceftriaxone and Ringer solution is contraindicated in premature infants and newborns born at term (up to 28 days of age), even if separate infusion lines are used.
    • In patients of any age, ceftriaxone should not be mixed or administered simultaneously with any intravenous solutions containing calcium, even through different infusion lines or at different infusion sites.
    • If the same infusion line is used for subsequent administration, it should be thoroughly flushed with a compatible fluid between infusions.
    • In cases of hypovolemia, ceftriaxone and calcium-containing solutions should be avoided one after the other.

Consider that the following substances are incompatible with Ringer solution ( list is not exhaustive):

  • amphotericin B
  • cortisone
  • erythromycin lactobionate
  • etamivan
  • ethanol
  • thiopental sodium
  • disodium edetate

Do not use substances known to be incompatible.
Baxter and Viaflo are trademarks of Baxter International Inc.

Alternatives to Ringer in other countries

The best alternatives with the same active ingredient and therapeutic effect.

Alternative to Ringer in Ukraine

Dosage form: solution, 250 ml, 500 ml, 1000 ml
Active substance: electrolytes
Manufacturer: B. Braun Medikal SA
Prescription required
Dosage form: solution, 200 ml or 400 ml in bottles
Active substance: electrolytes
Manufacturer: TOV "Uria-Farm
Prescription required
Dosage form: solution, 200 ml or 400 ml in bottles
Active substance: electrolytes
Manufacturer: TOV "Uria-Farm
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Dosage form: solution, 200 ml, 250 ml, 400 ml or 500 ml in a polyvinyl chloride container
Active substance: electrolytes
Prescription required
Dosage form: solution, 200 ml and 400 ml
Active substance: electrolytes
Manufacturer: PAT "Galicfarm
Prescription required
Dosage form: solution, 200 ml or 400 ml in bottles
Active substance: electrolytes

Alternative to Ringer in Spain

Dosage form: INJECTABLE PERFUSION, 860 mg; 30 mg; 33 mg/ 100 ml
Active substance: electrolytes
Manufacturer: Baxter S.L.
Prescription required
Dosage form: INJECTABLE PERFUSION, -
Active substance: electrolytes
Manufacturer: Baxter S.L.
Prescription required
Dosage form: INJECTABLE PERFUSION, -
Active substance: electrolytes
Manufacturer: Baxter S.L.
Prescription required
Dosage form: IV INFUSION, 0.9% sodium chloride; 0.15% potassium chloride
Active substance: electrolytes
Manufacturer: Baxter S.L.
Prescription required
Dosage form: INJECTABLE INFUSION, 100 ml
Active substance: electrolytes
Manufacturer: Laboratorios Ern S.A.
Prescription required
Dosage form: INJECTABLE PERFUSION, 600 mg; 40 mg; 27 mg; 312 mg/ 100 ml
Active substance: electrolytes
Manufacturer: B Braun Medical S.A.
Prescription required

Online doctors for Ringer

Discuss dosage, side effects, interactions, contraindications, and prescription renewal for Ringer – subject to medical assessment and local rules.

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Andrei Popov

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He specialises in diagnosing and treating pain conditions that affect quality of life, including:

  • Chronic pain lasting more than 3 months.
  • Migraines and recurring headaches.
  • Neck, back, lower back, and joint pain.
  • Post-traumatic pain following injury or surgery.
  • Nerve-related pain, fibromyalgia, and neuralgia.
In addition to pain management, Dr. Popov helps patients with:
  • Respiratory infections (colds, bronchitis, pneumonia).
  • High blood pressure and metabolic conditions such as diabetes.
  • Preventive care and routine health check-ups.

Online consultations last up to 30 minutes and include a detailed symptom review, personalised treatment planning, and medical follow-up when needed.

Dr. Popov’s approach is rooted in evidence-based medicine, combined with individualised care tailored to each patient’s history, lifestyle, and clinical needs.

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Tarek Agami

General medicine10 years of experience

Dr. Tarek Agami is a general practitioner registered in both Portugal and Israel, with broad experience in family and preventive medicine. He offers online consultations for adults and children, providing personalised support for primary care needs, chronic disease management, and everyday health concerns.

Dr. Agami received clinical training and worked in leading medical institutions in Israel (Kaplan Medical Center, Barzilai Medical Center, Wolfson Medical Center) and Portugal (European Healthcare City, Viscura Internacional, Hospital Dr. José Maria Grande, Hospital Vila Franca de Xira). His approach combines international medical standards with individualised attention to each patient.

Main areas of consultation:

  • Diagnosis and treatment of acute and chronic conditions (high blood pressure, diabetes, respiratory infections, cardiovascular symptoms)
  • Evaluation of symptoms and guidance on further diagnostic testing
  • Preventive check-ups and regular health monitoring
  • Medical support during travel or after relocation
  • Treatment adjustments and lifestyle recommendations based on your personal history
Dr. Agami provides medical support for patients using GLP-1 medications (such as Ozempic or Mounjaro) as part of a weight loss strategy. He offers individualised treatment planning, regular follow-up, dose adjustment, and advice on combining medication with sustainable lifestyle changes. Consultations follow the medical standards accepted in Portugal and Israel.

Dr. Agami is committed to evidence-based, patient-centred care, ensuring that each person receives trusted medical support tailored to their health goals.

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  • Hypertension control and cardiovascular disease prevention
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  • Guidance on diagnostics, treatment plans, and medication adjustments
Dr. Alhasan’s approach is based on thorough assessment, clear communication, and personalised care – helping patients understand their health and make informed decisions about their treatment.
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  • Common symptoms such as fever, sore throat, cough, fatigue, or digestive issues
  • Chronic conditions including hypertension, diabetes, high cholesterol, and thyroid problems
  • Mental health concerns such as stress, sleep issues, anxiety, and burnout
  • Preventive care: health check-ups, lifestyle advice, and follow-up for existing conditions
  • Work-related health questions, sick leave documentation, and medical guidance for returning to work
Dr. Meneses graduated from the University of Beira Interior and has years of experience working with diverse patient populations. He is fluent in Portuguese, English, Spanish, and French.

His approach is friendly, clear, and focused on delivering practical medical advice tailored to each patient’s needs.

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Her work focuses on urgent, short-term medical concerns – situations where patients need quick guidance, symptom assessment and clear next steps. She helps people understand whether their symptoms require in-person evaluation, home management or a change in treatment. Common reasons for booking an online consultation include:

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  • viral illnesses such as colds and seasonal infections
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  • sudden changes in how a child or adult feels
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  • renewal of prescriptions when clinically appropriate
Dr. Shalko works specifically with urgent and short-term problems, providing practical recommendations and helping patients determine the safest next step. She explains symptoms clearly, guides patients through decision-making and offers straightforward medical advice for everyday acute issues.

She does not provide long-term management of chronic conditions, ongoing follow-up or comprehensive care plans for complex long-term illnesses. Her consultations are designed for acute symptoms, sudden concerns and situations where timely medical input is important.

With clinical experience in both paediatrics and general medicine, Dr. Shalko confidently supports adults and children. Her communication style is clear, simple and reassuring, helping patients feel informed and supported throughout the consultation.

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Doctor

Tomasz Grzelewski

Dermatology20 years of experience

Dr Tomasz Grzelewski is an MD, PhD specialist in allergy, paediatrics, general practice and sports medicine, with a clinical focus on dermatology, endocrinology, allergology and sports-related health. He has more than 20 years of clinical experience and completed his medical training at the Medical University of Łódź, where he defended his PhD thesis with distinction. His doctoral research was recognised by the Polish Society of Allergology for its innovative contribution to the field. Throughout his career, he has gained extensive expertise in diagnosing and managing a wide range of allergic and paediatric conditions, including modern allergen desensitisation techniques.

For five years, Dr Grzelewski served as the Head of two paediatric departments in Poland, managing complex clinical cases and leading multidisciplinary teams. He also worked in medical centres in the United Kingdom, gaining experience across both primary care and specialist environments. With over a decade of telemedicine experience, he has provided online consultations across Europe and is valued for his clear, structured and evidence-based medical guidance.

Dr Grzelewski is actively involved in clinical programmes focused on modern anti-allergic therapies. As a Principal Investigator, he leads research projects on sublingual and oral allergen desensitisation, supporting evidence-based progress in allergy treatment for both children and adults.

In addition to his background in allergology and paediatrics, he completed dermatology studies through the Cambridge Education Group (Royal College of Physicians of Ireland) and a Clinical Endocrinology course at Harvard Medical School. This advanced training enhances his ability to manage skin manifestations of allergies, atopic conditions, urticaria, endocrine-related symptoms and complex immunological reactions.

Patients commonly seek his care for:

  • seasonal and perennial allergies
  • allergic rhinitis and chronic nasal symptoms
  • asthma and breathing difficulties
  • food and medication allergies
  • urticaria, atopic dermatitis and skin reactions
  • recurrent infections in children
  • sports-related health questions
  • general family medicine concerns
Dr Tomasz Grzelewski is known for his clear communication style, structured medical approach and ability to explain treatment options in a concise and accessible way. His multidisciplinary background across allergy, paediatrics, dermatology and endocrinology allows him to provide safe, up-to-date and comprehensive care for patients of all ages.
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Doctor

Hocine Lokchiri

General medicine20 years of experience

Dr. Hocine Lokchiri is a French consultant with over 20 years of experience in General and Emergency Medicine. He works with adults and children, helping patients with urgent symptoms, infections, sudden health changes and everyday medical concerns that require timely evaluation. His background includes clinical practice in France, Switzerland and the United Arab Emirates, which allows him to navigate different healthcare systems and manage a wide range of conditions with confidence. Patients value his calm, structured approach, clear explanations and evidence-based decision-making.

Online consultations with Dr. Lokchiri are suitable for many situations when someone needs quick medical guidance, reassurance or a clear next step. Common reasons for booking include:

  • fever, chills, fatigue and viral symptoms
  • cough, sore throat, nasal congestion, breathing discomfort
  • bronchitis and mild asthma flare-ups
  • nausea, diarrhoea, abdominal pain, digestive infections
  • rashes, allergic reactions, redness, insect bites
  • muscle or joint pain, mild injuries, sprains
  • headache, dizziness, migraine symptoms
  • stress-related symptoms, sleep disturbances
  • questions about test results and treatment plans
  • management of chronic conditions in stable phases
Many patients reach out when symptoms appear suddenly and cause concern, when a child becomes unwell unexpectedly, when a rash changes or spreads, or when it’s unclear whether an in-person examination is necessary. His emergency medicine background is particularly valuable online, helping patients understand risk levels, identify warning signs and choose safe next steps.

Some situations are not suitable for online care. If a patient has loss of consciousness, severe chest pain, uncontrolled bleeding, seizures, major trauma or symptoms suggesting a stroke or heart attack, he will advise seeking immediate local emergency services. This improves safety and ensures patients receive the right level of care.

Dr. Lokchiri’s professional training includes:

  • Advanced Trauma Life Support (ATLS)
  • Basic and Advanced Cardiac Life Support (BLS/ACLS)
  • Pediatric Advanced Life Support (PALS)
  • Prehospital Trauma Life Support (PHTLS)
  • eFAST and critical care transthoracic echocardiography
  • aviation medicine
He is an active member of several professional organisations, including the French Society of Emergency Medicine (SFMU), the French Association for Emergency Physicians (AMUF) and the Swiss Society of Emergency and Rescue Medicine (SGNOR). In consultations, he works with clarity and precision, helping patients understand their symptoms, possible risks and the safest treatment options.
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Doctor

Jonathan Marshall Ben Ami

Family medicine8 years of experience

Dr. Jonathan Marshall Ben Ami is a licensed family medicine doctor in Spain. He provides comprehensive care for adults and children, combining general medicine with emergency care expertise to address both acute and chronic health concerns.

Dr. Ben Ami offers expert diagnosis, treatment, and follow-up for:

  • Respiratory infections (cold, flu, bronchitis, pneumonia).
  • ENT conditions such as sinusitis, ear infections, and tonsillitis.
  • Digestive issues including gastritis, acid reflux, and irritable bowel syndrome (IBS).
  • Urinary tract infections and other common infections.
  • Management of chronic diseases: high blood pressure, diabetes, thyroid disorders.
  • Acute conditions requiring urgent medical attention.
  • Headaches, migraines, and minor injuries.
  • Wound care, health check-ups, and ongoing prescriptions.

With a patient-focused and evidence-based approach, Dr. Ben Ami supports individuals at all stages of life — offering clear medical guidance, timely interventions, and continuity of care.

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Doctor

Yevgen Yakovenko

General surgery11 years of experience

Dr. Yevgen Yakovenko is a licensed surgeon and general practitioner in Spain and Germany. He specialises in general, paediatric, and oncological surgery, internal medicine, and pain management. He offers online consultations for adults and children, combining surgical precision with therapeutic support. Dr Yakovenko works with patients across different countries and provides care in Ukrainian, Russian, English, and Spanish.

Areas of medical expertise:

  • Acute and chronic pain: headaches, muscle and joint pain, back pain, abdominal pain, postoperative pain. Identifying the cause, selecting treatment, and creating a care plan.
  • Internal medicine: heart, lungs, gastrointestinal tract, urinary system. Management of chronic conditions, symptom control, second opinions.
  • Pre- and postoperative care: risk assessment, decision-making support, follow-up after surgery, rehabilitation strategies.
  • General and paediatric surgery: hernias, appendicitis, congenital conditions, both planned and urgent surgeries.
  • Injuries and trauma: bruises, fractures, sprains, soft tissue damage, wound care, dressing, referral when in-person care is required.
  • Oncological surgery: diagnosis review, treatment planning, and long-term follow-up.
  • Obesity treatment and weight management: a medical approach to weight loss, including assessment of underlying causes, evaluation of comorbidities, development of a personalised plan (nutrition, physical activity, pharmacotherapy if needed), and ongoing progress monitoring.
  • Imaging interpretation: analysis of ultrasound, CT, MRI, and X-ray results, surgical planning based on imaging data.
  • Second opinions and medical navigation: clarifying diagnoses, reviewing current treatment plans, helping patients choose the best course of action.

Experience and qualifications:

  • 12+ years of clinical experience in university hospitals in Germany and Spain.
  • International education: Ukraine – Germany – Spain.
  • Member of the German Society of Surgeons (BDC).
  • Certified in radiological diagnostics and robotic surgery.
  • Active participant in international medical conferences and research.

Dr Yakovenko explains complex topics in a clear, accessible way. He works collaboratively with patients to analyse health issues and make evidence-based decisions. His approach is grounded in clinical excellence, scientific accuracy, and respect for each individual.

If you are unsure about a diagnosis, preparing for surgery, or want to discuss your test results – Dr Yakovenko will help you evaluate your options and move forward with confidence.

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