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BICARBONATE 1 g POWDER FOR ORAL SOLUTION

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About the medicine

How to use BICARBONATE 1 g POWDER FOR ORAL SOLUTION

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This page provides general information and does not replace a doctor’s consultation. Always consult a doctor before taking any medication. Seek urgent medical care if symptoms are severe.

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Introduction

Package Leaflet: Information for the Patient

Sodium Bicarbonate NM 1 g Powder for Oral Solution

Sodium Hydrogencarbonate

Read the entire package leaflet carefully before starting to take this medication, as it contains important information for you.

Follow the administration instructions for the medication contained in this package leaflet or as indicated by your doctor or pharmacist.

  • Keep this package leaflet, as you may need to read it again.
  • If you need advice or more information, consult your pharmacist.
  • If you experience side effects, consult your doctor or pharmacist, even if they are side effects not listed in this package leaflet. See section 4.
  • You should consult a doctor if your symptoms worsen or do not improve after 7 days.

Contents of the Package Leaflet

  1. What is Sodium Bicarbonate NM and what is it used for
  2. What you need to know before taking Sodium Bicarbonate NM
  3. How to take Sodium Bicarbonate NM
  4. Possible side effects
  5. Storage of Sodium Bicarbonate NM
  6. Package Contents and Additional Information

1. What is Sodium Bicarbonate NM and what is it used for

Sodium Bicarbonate NM belongs to the group of medications called antacids that work by reducing excess stomach acidity.

It is indicated for the relief and symptomatic treatment of heartburn and stomach acid in adults and adolescents over 12 years of age.

You should consult a doctor if your symptoms worsen or do not improve after 7 days.

Doctor consultation

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Discuss your symptoms and treatment with a doctor online.

2. What you need to know before taking Sodium Bicarbonate NM

Do not takeSodium Bicarbonate NM

  • If you are allergic to sodium hydrogencarbonate.
  • If you have metabolic or respiratory alkalosis (alteration of blood pH).
  • If you have hypocalcemia (decreased calcium in the blood).
  • If you have hypochlorhydria (decreased normal acidity of gastric juice).
  • If you have a tendency to form edema (fluid retention).
  • If you have appendicitis or its symptoms (nausea, vomiting, cramps, abdominal pain).
  • If you have intestinal obstruction (partial or total blockage of the intestine that produces an interruption of the passage of intestinal contents).

- If you are on a low-sodium diet (if you have high blood pressure or heart or kidney problems)

- If you have kidney or liver disease

Warnings and Precautions

Consult your doctor or pharmacist before taking Sodium Bicarbonate NM.

As with other antacids, this medication may mask the symptoms of a more serious stomach disease, so if symptoms persist or worsen after 7 days of treatment, you should consult your doctor.

This medication should not be used in patients with hypertension (high blood pressure), in patients with liver, kidney, or heart problems, or in patients taking diuretics (medications used to treat hypertension) or on low-sodium diets.

Children and Adolescents

Do not administer to children under 12 years of age.

Taking Sodium Bicarbonate NM with Other Medications

Inform your doctor or pharmacist if you are taking, have recently taken, or may need to take any other medication:

In general, the intake of any antacid should be done at least 2 hours before or after the administration of another medication.

Antacids can modify the action of other medications such as:

  • Iron salts (medications used to prevent or treat anemia)
  • Quinolones, tetracyclines, sulfonamides, erythromycin, methenamine, rifampicin, isoniazid, ethambutol (antibiotics)
  • Theophylline (used to treat asthma)
  • Ulipristal (emergency contraceptive)
  • Erlotinib (medication for cancer treatment). It is recommended to administer sodium hydrogencarbonate at least 4 hours before or 2 hours after Erlotinib
  • Propranolol, atenolol (medications for high blood pressure treatment)
  • Benzodiazepines (medications for insomnia and anxiety treatment) Digoxin, digitoxin (medications for heart rhythm disorders treatment)
  • Phenothiazines (medications for psychiatric disorders treatment)
  • Naproxen, salicylates, flufenamic acid or mefenamic acid, indomethacin (used to treat pain and fever)
  • Valproic acid, gabapentin (used to treat epilepsy)
  • Levodopa (used to treat Parkinson's disease)
  • Amphetamine, dextroamphetamine, ephedrine (central nervous system stimulants)
  • Flecainide, quinidine (medications for heart rhythm disorders treatment)
  • Methadone (used to relieve intense pain)
  • Mecamylamine (medication for hypertension)
  • Lithium salts (used in certain psychiatric diseases)
  • Methotrexate (used for cancer and rheumatoid arthritis treatment)
  • Preparations containing calcium, as it can develop the "milk and alkali" syndrome, whose symptoms are: excess calcium in the blood, kidney problems, heart problems, metabolic alkalosis, dizziness, vomiting, muscle cramps, apathy, headache, confusion, and anorexia.

As with other antacids, this medication administered with enteric-coated medications may cause the coating to dissolve too quickly, which can produce gastric or duodenal irritation.

In general, the intake of this medication should be done at least 2 hours before or 2 hours after the administration of any other medication.

Interference with Analytical Tests

If you are going to have any diagnostic tests (including blood tests, urine tests, detection of gastric acid secretion, etc.), inform your doctor that you are taking this medication, as it may alter the results of these tests.

Taking Sodium Bicarbonate NM with Food and Drinks

Do not take this medication with milk or dairy products.

Do not use this medication after excessive food or drink, as it may rarely cause stomach wall perforation.

Pregnancy, Breastfeeding, and Fertility

If you are pregnant or breastfeeding, think you may be pregnant, or plan to become pregnant, consult your doctor or pharmacist before using this medication.

Taking medications during pregnancy can be hazardous to the embryo or fetus and should be monitored by your doctor.

Driving and Using Machines

No effects on driving or using machines have been described.

This Medication Contains Sodium

Patients on low-sodium diets should note that this medication contains 273.9 mg (11.9 mmol) of sodium per dose.

3. How to Take Sodium Bicarbonate NM

Follow the administration instructions for the medication contained in this package leaflet or as indicated by your doctor or pharmacist. In case of doubt, ask your doctor or pharmacist.

Adults and Adolescents over 12 years:The recommended dose is 1 to 2 sachets (1 to 2 g of sodium hydrogencarbonate) per day. If necessary, the dose can be repeated, increasing to 2 to 4 sachets (2 to 4 g of sodium hydrogencarbonate), after meals or when experiencing gastric discomfort. Do not exceed the maximum dose of 6 sachets per day.

This medication should be taken 20 minutes to 1 hour after meals.

Always use the lowest effective dose.

As symptoms disappear, the medication should be discontinued.

This medication is taken orally. Dissolve the contents of the sachet in a glass of water and stir until completely dissolved.

Before taking the medication, always wait until the contents of the sachet are completely dissolved and the bubbles disappear.

If symptoms do not improve within 7 days, treatment should be discontinued and a doctor consulted.

Use in Children and Adolescents

Do not administer to children under 12 years of age.

If You Take More Sodium Bicarbonate NM Than You Should

If you take more Sodium Bicarbonate NM than recommended, you may experience headache, dizziness, tinnitus, blurred vision, drowsiness, sweating, nausea, vomiting, occasional diarrhea, hyperirritability, muscle weakness, and fluid retention.

In case of overdose or accidental ingestion, consult your doctor or pharmacist immediately, or go to a medical center or call the Toxicology Information Service, phone: 91 562 04 20, indicating the medication and the amount ingested.

If You Forget to Take Sodium Bicarbonate NM

Do not take a double dose to make up for forgotten doses.

If you have any other questions about the use of this medication, ask your doctor or pharmacist.

Medicine questions

Started taking the medicine and have questions?

Discuss your symptoms and treatment with a doctor online.

4. Possible Side Effects

Like all medications, Sodium Bicarbonate NM can cause side effects, although not everyone may experience them.

  • Adverse reactions observed with the use of sodium hydrogencarbonate are presented with an unknown frequency (cannot be estimated from available data). Flatulence (gas in the stomach or intestine), belching, vomiting, cramps, stomach bloating, and rebound effect (increased acidity produced by the medication itself).
  • Hypokalemia (decreased potassium levels in the blood) and hypernatremia (increased sodium levels in the blood).
  • If used continuously or at high doses, it can produce systemic alkalosis (difficulty breathing, muscle weakness, increased muscle tone, anxiety, and other effects on the central nervous system), hypertension (high blood pressure), and edema (fluid retention).

When ingesting large amounts of milk, it can produce a syndrome known as "milk and alkali," resulting in hypercalcemia (anorexia, vomiting, nausea, apathy, muscle cramps).

Reporting Side Effects

If you experience any type of side effect, consult your doctor or pharmacist, even if it is a possible side effect not listed in this package leaflet. You can also report them directly through the Spanish Medication Surveillance System for Human Use: www.notificaRAM.es

By reporting side effects, you can contribute to providing more information on the safety of this medication.

5. Storage of Sodium Bicarbonate NM

Keep this medication out of the sight and reach of children.

Do not use this medication after the expiration date shown on the sachet, after CAD. The expiration date is the last day of the month indicated.

Medications should not be disposed of through wastewater or household waste. Deposit the packaging and medications you no longer need at the pharmacy's SIGRE Point. Ask your pharmacist how to dispose of the packaging and medications you no longer need. This will help protect the environment.

6. Package Contents and Additional Information

Composition of Sodium Bicarbonate NM

  • The active ingredient is sodium hydrogencarbonate. Each sachet contains 1 g of sodium hydrogencarbonate.

This medication does not contain excipients.

Appearance of the Product and Package Contents

White or almost white powder.

Box containing 42 sachets of 1 g of sodium hydrogencarbonate.

Marketing Authorization Holder

Nutrición Médica, S.L.

C/ Arequipa, 1

28043 - Madrid, Spain.

Manufacturer

Industrial Farmacéutica Cantabria, S.A.

C/ Pirita, 9.

28850 Torrejón de Ardoz (Madrid), Spain.

This Package Leaflet was Approved in: June2016

Detailed information about this medication is available on the website of the Spanish Agency for Medicines and Health Products (AEMPS), http://www.aemps.gob.es/

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Tomasz Grzelewski

Dermatology 21 years exp.

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: 

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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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Dr. Lina Travkina is a licensed family and preventive medicine doctor based in Italy. She provides online consultations for adults and children, supporting patients across all stages of care – from acute symptom management to long-term health monitoring and prevention.

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Dr. Travkina combines evidence-based medicine with an attentive, personalised approach. Her consultations focus not only on treatment, but also on prevention, recovery, and long-term wellbeing.

If during the consultation it becomes clear that your case requires in-person assessment or specialised care outside of her scope, the session will be terminated and the payment fully refunded.

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Alina Tsurkan

Family medicine 13 years exp.

Dr. Alina Tsurkan is a licensed family medicine physician based in Portugal, offering online consultations for adults and children. She provides professional primary care, with a focus on prevention, accurate diagnosis, and long-term management of acute and chronic conditions.

Dr. Tsurkan supports patients with a wide range of health issues, including:

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  • IMT medical certificates for driving licence exchange in Portugal.
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Anna Biriukova

General medicine 6 years exp.

Dr Anna Biriukova is an internal medicine doctor with clinical experience in cardiology, endocrinology, and gastroenterology. She provides online consultations for adults, offering expert medical support for heart health, hormonal balance, digestive issues, and general internal medicine.

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Frequently Asked Questions

Is a prescription required for BICARBONATE 1 g POWDER FOR ORAL SOLUTION?
BICARBONATE 1 g POWDER FOR ORAL SOLUTION does not require a prescription in Spain. You can check with a doctor online whether this medicine may be appropriate for your situation.
Who manufactures BICARBONATE 1 g POWDER FOR ORAL SOLUTION?
BICARBONATE 1 g POWDER FOR ORAL SOLUTION is manufactured by Nutricion Medica S.L.. Pharmacy brands and packaging may differ depending on the distributor.
Which doctors can assess the use of BICARBONATE 1 g POWDER FOR ORAL SOLUTION online?
Doctors such as Family doctors, Psychiatrists, Dermatologists, Cardiologists, Endocrinologists, Gastroenterologists, Pulmonologists, Nephrologists, Rheumatologists, Hematologists, Infectious disease physicians, Allergists, Geriatricians, Paediatricians, Oncologists may assess whether BICARBONATE 1 g POWDER FOR ORAL SOLUTION is appropriate, depending on your situation and local regulations. You can book an online consultation to discuss your symptoms and possible next steps.
What are the alternatives to BICARBONATE 1 g POWDER FOR ORAL SOLUTION?
Other medicines with the same active substance () include ACYLINE 620 mg/380 mg/630 mg ORAL SUSPENSION, ALMAGATO STADAPHARM 1.5 G ORAL SUSPENSION, ALMAGATO STADAPHARM 500 MG CHEWABLE TABLETS. These may have different brand names or formulations but contain the same therapeutic ingredient. Always consult a doctor before switching or starting a new medicine.
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