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PROMIXIN 1 Million International Units (IU), Powder for Solution for Nebulizer Inhalation

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About the medicine

How to use PROMIXIN 1 Million International Units (IU), Powder for Solution for Nebulizer Inhalation

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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 User

PROMIXIN

1 million International Units (IU)

powder for solution

for inhalation by nebulizer

Colistimethate sodium

Read all of this leaflet carefully before you start using this medicine because it contains important information for you.

  • Keep this leaflet, you may need to read it again.
  • If you have any further questions, ask your doctor or pharmacist.
  • This medicine has been prescribed for you only. Do not pass it on to others. It may harm them, even if their symptoms are the same as yours.
  • If you experience any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. See section 4.

Contents of the package leaflet

  1. What is Promixin and what is it used for
  2. What you need to know before you use Promixin
  3. How to use Promixin
  4. Possible side effects
  5. Storage of Promixin
  6. Package contents and further information

1. What is Promixin and what is it used for

Promixin contains the active substance colistimethate sodium and is administered by inhalation to treat chronic respiratory infections in patients with cystic fibrosis. Promixin is used when these infections are caused by a specific bacterium called Pseudomonas aeruginosa.

This is a very common bacterium that infects the lungs of almost all patients with cystic fibrosis at some point in their lives. If the infection is not properly controlled, it will continue to damage the lungs, causing more problems.

Antibiotics are used to treat bacterial infections and are not effective against viral infections such as the flu or the common cold.

It is important that you follow the instructions regarding dosage, administration, and duration of treatment as indicated by your doctor.

Do not store or reuse this medicine. If you have any leftover antibiotic after completing treatment, return it to the pharmacy for proper disposal. Do not throw medicines down the drain or in the trash.

To administer Promixin, the powder in the vial must be dissolved with a suitable solvent, sterile saline solution, or sterile water, and then inhaled (inhaled) into the lungs using a suitable inhalation device, so that most of the antibiotic can reach the bacteria that cause the infection.

Doctor consultation

Not sure if this medicine is right for you?

Discuss your symptoms and treatment with a doctor online.

2. What you need to know before you use Promixin

In certain circumstances, your doctor may decide not to prescribe Promixin.

Do not use Promixin:

  • If you are allergic(hypersensitive) to colistimethate sodium, colistin, or other polymyxins;

If you are in this situation, inform your doctor before starting to take Promixin.

Warnings and precautions with Promixin and inform your doctor:

  • If you have or have had kidney problems;
  • If you suffer from myasthenia gravis(a rare disease in which your muscles are extremely weak and you get tired quickly);
  • If you suffer from porphyria(a rare metabolic disease with which some people are born);
  • If you suffer from asthma.

If you are in any of these situations, inform your doctor.

In premature infants and newborns, caution should be exercised when using Promixin because the kidneys are not yet fully developed.

Other medicines and Promixin:

Tell your doctor or pharmacist if you are taking, have recently taken, or might take any other medicines. These medicines may interfere with the effects of Promixin.

  • medicines that may affect how your kidneys work. Taking these medicines at the same time as Promixin may increase the risk of kidney damage.
  • medicines that may affect the nervous system. Taking these medicines at the same time as Promixin may increase the risk of side effects on your nervous system.
  • medicines called muscle relaxants, often used during general anesthesia. Promixin may increase the effects of these medicines. If you are going to be given a general anesthetic, inform your anesthetist that you are using Promixin.

If you have myasthenia gravis and are also taking other antibiotics called macrolides (such as azithromycin, clarithromycin, or erythromycin), or antibiotics called fluoroquinolones (such as ofloxacin, norfloxacin, and ciprofloxacin), taking Promixin increases the risk of muscle weakness and respiratory difficulties even more.

Receiving colistimethate sodium by infusion at the same time as receiving Promixin by inhalation may increase your risk of side effects.

Pregnancy, breastfeeding, and fertility

If you are pregnant or breastfeeding, if you think you may be pregnant, or are planning to have a baby, ask your doctor or pharmacist for advice before using this medicine.

There is no information on the safety of Promixin in pregnant women. Your doctor should advise you before using Promixin when the benefits of the medicine outweigh the risk.

Colistimethate sodium may be secreted in breast milk. Please discuss the use of Promixin with your doctor.

Driving and using machines

Promixin may cause dizziness, confusion, or vision problems, such as blurred vision. If this happens, do not drive or use tools or machines.

3. How to use Promixin

Follow your doctor's instructions for administering this medicine exactly. If in doubt, consult your doctor or pharmacist again.

Consult your doctor if you have kidney problems, as you may need a lower dose of Promixin.

You should use your first doseof Promixin in the presence of your doctor or nurse.

Use Promixin after physiotherapy(if you have physiotherapy). This will ensure that your lungs are clear so that Promixin can work effectively. If you are also taking other inhaled medicines, your doctor will tell you in what order to take them.

The recommended dose in adults, adolescents, and children 2 years of age or older is 1-2 vials(1-2 million units) two or three times a day(up to 6 million units per day).

The recommended dose in children under 2 years of age is half to 1 vial (0.5-1 million units) twice a day (up to 2 million units per day).

Your doctor may decide to adjust the dose depending on your circumstances.

Promixin is inhaled from a device called a nebulizer. Promixin can be administered using any nebulization system that can be used for the release of antibiotics into the lungs in the form of mist. In countries where the I-neb AAD system is available, Promixin is presented with a Promixin Disk that can be used with the I-neb AAD system. For information on using Promixin with the I-neb system, see the detailed instructions provided with the device. If you use a different nebulizer, make sure the room you are in is well ventilated.

How to prepare Promixin

Your doctor or nurse will show you how to prepare and use Promixin with the nebulizer.

Before putting Promixin in the nebulizer and inhaling it, you must first dissolve it with sterile water, sterile saline solution 0.9%or a mixture of equal parts of sterile water and sterile saline solution 0.9%as indicated below. Your doctor or nurse will indicate the correct volume of liquid to be added to each vial of Promixin and how many vials of Promixin to use for each dose with your nebulizer.

  1. Locate the edge on the red plastic cap near the arrow with the mark “FLIP UP”. Then, holding the vial with one hand and the plastic cap with the other, turn the cap slightly counterclockwise. Put your thumb under the edge and push the cap up about 90° (see diagram 1).

Hand holding a medicine vial with a red cap, preparing for injection

  1. Take the plastic cap as shown in diagram 2 and pull it slowly, like a hinge, until almost 180°.

Hand holding a medicine vial with a gray cap and red safety ring, preparing to open it

  1. Turn the vial so that the plastic cap is facing you. Holding the cap by the center as shown, pull it down and turn it slightly to the right (diagram 3a) or to the left so that the metal seal breaks only on one side (diagram 3b).

Hand holding a medicine vial with a gray cap and red ring, removing the top protector

Transparent medicine vial with a gray cap and a connected needle held by fingers

  1. Once the seal is broken, hold the vial firmly and remove the metal seal to expose the entire rubber cap (diagram 4).

Hand holding an auto-injector with a red protective cap, preparing for medication injection

  1. Remove the rubber cap from the Promixin vial by holding only the outer edge of the cap and place it upside down on a clean surface. Slowly add sterile water, sterile saline solution 0.9%, or a mixture of equal parts of sterile water and sterile saline solution 0.9% to the vial, until the volume of liquid indicated by your doctor or nurse is reached.
  1. Put the rubber cap back on and gently turn the vial upside down twice (diagram 6).

Hand holding a white cylindrical device with black rings at the base and arrows indicating up and down movement

  1. Gently roll the vial between your hands to dissolve all visible Promixin powder at the bottom and side of the vial (diagram 7). Do not shake the vial too hard as this could cause the solution to foam.

Hand holding an auto-injector with a gray button and black arrows indicating direction of pressure for activation

  1. When most of the powder has dissolved, let the vial stand for 5-10 minutes to allow any foam to disappear and for any remaining powder to dissolve.

Circular clock face with hands indicating 12 o'clock, showing a time of 5 to 10 minutes in red and white

Pour the solution into the nebulizer and inhale immediately. If it is not possible to use the solution immediately, put the vial back on and store it in the refrigerator for a maximum of 24 hours. Do not use any solution that has been prepared for more than 24 hours.See section 5 “Storage of Promixin” for instructions on how to store or dispose of any unused Promixin.

If you use more Promixin than you should

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

The symptoms of using too much Promixin may include:

  • tingling or numbness around the lips and face
  • dizziness and feeling of vertigo
  • poorly articulated speech
  • visual disturbance
  • confusion
  • mental alteration
  • flushing (redness of the face)

If you forget to use Promixin

Apply your dose as soon as you remember, unless it is close to the time of your next dose. Do not take a double dose to make up for the forgotten dose.

If you stop using Promixin

Do not stop your treatment early unless your doctor tells you to.

Your doctor will tell you the duration of your treatment.

If you have more questions about the use of this medicine, ask your doctor or nurse.

Medicine questions

Started taking the medicine and have questions?

Discuss your symptoms and treatment with a doctor online.

4. Possible side effects

Like all medicines, this medicine can cause side effects, although not everybody gets them.

Promixin may sometimes cause allergic reactionssuch as skin rashes. If this happens, you should stop using Promixinand tell your doctor immediately.

Inhaling Promixin through a nebulizer may cause some people to experience chest tightness, wheezing, coughing, or a feeling of shortness of breath (sometimes described as a feeling of choking). For this reason, the first dose should be administered in the presence of your doctor or nurse. Your doctor may also advise you to take a medicine to prevent breathing difficulties. Your doctor should check your breathing during visits.

Promixin could also affect the kidneys, usually if the dose is high or if you are taking other medicines that may affect the kidneys.

Promixin may occasionally cause pain in the mouth or throat.

Reporting of side effects

If you experience any side effects, talk to your doctor or pharmacist, even if it is possible side effects not listed in this leaflet. You can also report them directly through the Spanish Pharmacovigilance System for Human Use Medicines: https://www.notificaram.es. By reporting side effects, you can help provide more information on the safety of this medicine.

5. Storage of Promixin

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

Do not use this medicine after the expiry date that appears on the vial and on the carton after EXP. The expiry date is the last day of the month indicated.

Unopened Promixin vials do not require special storage conditions.

Promixin does not contain preservatives. Once prepared, Promixin solutions should be used preferably immediately. If this is not possible, the solutions should not be stored for more than 24 hours in a refrigerator. Do not use any solution that has been prepared for more than 24 hours.

Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. This will help protect the environment.

6. Package contents and further information

Promixin composition

The active substance is colistimethate sodium.

Each vial contains 1 million International Units (IU) of colistimethate sodium, which weighs approximately 80 milligrams (mg). It does not contain other ingredients.

Appearance of the product and package contents

Promixin is a powder for solution for inhalation by nebulizer, supplied as a white or off-white powder in a glass vial.

Promixin is supplied in packs containing 30 vials. In countries where the I-neb AAD system is available, each pack also contains a Promixin Disk for use with the I-neb AAD system.

Marketing authorization holder

Zambon S.p.A.

Via Lillo del Duca 10

20091 Bresso (MI) – Italy

Phone: +39 02 665241

e-mail: [email protected]

Manufacturer

Xellia Pharmaceuticals ApS

Dalslandsgade 11,

DK- 2300, Copenhagen S, Denmark.

You can request more information about this medicine by contacting the local representative of the marketing authorization holder

Zambon S.A.U.

Maresme 5. Pol. Can Bernades-Subirà

08130 Sta. Perpètua de Mogoda – Barcelona

Phone: 93 544 64 00

Fax: 93 574 04 36

This medicine is authorized in the Member States of the European Economic Area and in the United Kingdom (Northern Ireland) under the following names:

Austria, Netherlands, Sweden, France: Tadim

Germany, Denmark, Norway, United Kingdom (Northern Ireland), Italy, Spain, Portugal: Promixin

Date of last revision of this leaflet: June 2022

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

Online doctors for PROMIXIN 1 Million International Units (IU), Powder for Solution for Nebulizer Inhalation

Discuss questions about PROMIXIN 1 Million International Units (IU), Powder for Solution for Nebulizer Inhalation, including use, safety considerations and prescription review, subject to medical assessment and local regulations.

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Doctor

Daniel Cichi

Family medicine 24 years exp.

Dr Daniel Cichi is a family medicine doctor with over 20 years of clinical experience. He provides online consultations for adults, supporting patients with acute symptoms, chronic conditions, and everyday health concerns that require timely medical guidance.

His background includes work in emergency care, ambulance services, and family medicine, which allows him to assess symptoms quickly, identify warning signs, and help patients choose the safest next steps – whether that means home care, treatment adjustment, or in-person evaluation.

Patients commonly consult Dr Daniel Cichi for:

  • acute symptoms: fever, infections, flu-like illness, cough, sore throat, shortness of breath;
  • chest discomfort, palpitations, dizziness, fatigue, and blood pressure concerns;
  • digestive problems: abdominal pain, nausea, diarrhoea, constipation, reflux;
  • muscle, joint, and back pain, minor injuries, post-traumatic symptoms;
  • chronic conditions: hypertension, diabetes, high cholesterol, thyroid disorders;
  • review and interpretation of lab tests, imaging reports, and medical documents;
  • medication review and treatment adjustment;
  • medical advice while travelling or living abroad;
  • second opinions and guidance on whether in-person care is needed.
Dr Cichi’s consultations are structured and practical. He focuses on clear explanations, risk assessment, and actionable recommendations, helping patients understand their symptoms and make informed decisions about their health.
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Doctor

Hocine Lokchiri

General medicine 21 years exp.

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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€58
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Doctor

Lina Travkina

Family medicine 13 years exp.

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.

Areas of medical care include:

  • Respiratory conditions: colds, flu, acute and chronic bronchitis, mild to moderate pneumonia, bronchial asthma.
  • ENT and eye conditions: sinusitis, tonsillitis, pharyngitis, otitis, infectious and allergic conjunctivitis.
  • Digestive issues: gastritis, acid reflux (GERD), IBS, dyspepsia, bloating, constipation, diarrhoea, functional bowel symptoms, intestinal infections.
  • Urological and infectious diseases: acute and recurrent cystitis, bladder and kidney infections, prevention of recurrent UTIs, asymptomatic bacteriuria.
  • Chronic conditions: hypertension, diabetes, hypercholesterolemia, metabolic syndrome, thyroid disorders, excess weight.
  • Neurological and general symptoms: headache, migraine, dizziness, fatigue, sleep disturbances, reduced concentration, anxiety, asthenia.
  • Chronic pain support: back, neck, joint, and muscle pain, tension syndromes, pain associated with osteochondrosis and chronic conditions.

Additional care areas:

  • Preventive consultations and check-up planning.
  • Medical advice and follow-up consultations.
  • Test interpretation and diagnostic guidance.
  • Structured support for undiagnosed complaints.
  • Second opinion on diagnoses and treatment plans.
  • Nutritional and lifestyle support for vitamin deficiencies, anaemia, metabolic issues.
  • Post-operative recovery support and pain management.
  • Preconception counselling and postpartum support.
  • Immunity support and strategies to reduce frequency of infections.

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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€70
5.0 (760)
Doctor

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:

  • Respiratory infections: cold, flu, bronchitis, pneumonia, and lingering coughs.
  • ENT conditions: sinusitis, tonsillitis, otitis (ear infections), sore throat, allergic rhinitis.
  • Eye conditions: allergic or infectious conjunctivitis, red eyes, irritation.
  • Digestive issues: acid reflux (GERD), gastritis, irritable bowel syndrome (IBS), constipation, bloating, nausea.
  • Urinary and reproductive health: urinary tract infections (UTIs), cystitis, prevention of recurrent infections.
  • Chronic diseases: hypertension, elevated cholesterol, weight management.
  • Neurological complaints: headaches, migraines, sleep disturbances, fatigue, general weakness.
  • Children’s health: fever, infections, digestive issues, follow-ups, vaccination guidance.

She also provides:

  • IMT medical certificates for driving licence exchange in Portugal.
  • Personalised preventive care and wellness consultations.
  • Interpretation of test results and medical reports.
  • Follow-up care and medication review.
  • Support in managing multiple coexisting conditions.
  • Remote prescription management and medical documentation.

Dr. Tsurkan’s approach is evidence-based and holistic. She works closely with each patient to develop an individualised care plan that addresses both symptoms and root causes. Her goal is to empower patients to take control of their health and maintain well-being through lifestyle adjustments, routine check-ups, and early intervention.

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€55

Frequently Asked Questions

Is a prescription required for PROMIXIN 1 Million International Units (IU), Powder for Solution for Nebulizer Inhalation?
PROMIXIN 1 Million International Units (IU), Powder for Solution for Nebulizer Inhalation requires a prescription in Spain. You can check with a doctor online whether this medicine may be appropriate for your situation.
What is the active substance in PROMIXIN 1 Million International Units (IU), Powder for Solution for Nebulizer Inhalation?
The active ingredient in PROMIXIN 1 Million International Units (IU), Powder for Solution for Nebulizer Inhalation is colistin. This information helps identify medicines with the same composition but different brand names.
Who manufactures PROMIXIN 1 Million International Units (IU), Powder for Solution for Nebulizer Inhalation?
PROMIXIN 1 Million International Units (IU), Powder for Solution for Nebulizer Inhalation is manufactured by Zambon S.P.A.. Pharmacy brands and packaging may differ depending on the distributor.
Which doctors can assess the use of PROMIXIN 1 Million International Units (IU), Powder for Solution for Nebulizer Inhalation 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 PROMIXIN 1 Million International Units (IU), Powder for Solution for Nebulizer Inhalation 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 PROMIXIN 1 Million International Units (IU), Powder for Solution for Nebulizer Inhalation?
Other medicines with the same active substance (colistin) include COLFINAIR 1 Million IU Powder for Solution for Nebulizer Inhalation, COLFINAIR 2 MILLION IU POWDER FOR SOLUTION FOR NEBULIZER INHALATION, SODIUM COLISTIMETHATE ACCORD 1 Million IU POWDER FOR INJECTABLE SOLUTION AND FOR INFUSION. 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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