CROHNAX 1000 mg Suppositories

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Doctor
5.0(11)

Anna Biriukova

Gastroenterology6 years of experience

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.

Cardiology – Diagnosis and treatment of:

  • High blood pressure, blood pressure fluctuations, and cardiovascular risk prevention.
  • Chest pain, shortness of breath, arrhythmias (tachycardia, bradycardia, palpitations).
  • Leg swelling, chronic fatigue, reduced exercise tolerance.
  • EKG interpretation, lipid profile evaluation, cardiovascular risk assessment (heart attack, stroke).
  • Post-COVID-19 cardiac monitoring and care.
Endocrinology – Diabetes, thyroid, metabolism:
  • Diagnosis and management of type 1 and type 2 diabetes, and prediabetes.
  • Individual treatment plans including oral medications and insulin therapy.
  • GLP-1 therapy– modern pharmacological treatment for weight management and diabetes control, including drug selection, monitoring, and safety follow-up.
  • Thyroid disorders – hypothyroidism, hyperthyroidism, autoimmune thyroid diseases (Hashimoto’s, Graves’ disease).
  • Metabolic syndrome – obesity, lipid disorders, insulin resistance.
Gastroenterology – Digestive health:
  • Abdominal pain, nausea, heartburn, gastroesophageal reflux (GERD).
  • Stomach and intestinal conditions: gastritis, irritable bowel syndrome (IBS), indigestion.
  • Management of chronic digestive disorders and interpretation of tests (endoscopy, ultrasound, labs).
General internal medicine and preventive care:
  • Respiratory infections – cough, colds, bronchitis.
  • Lab test analysis, therapy adjustments, medication management.
  • Adult vaccinations – planning, contraindications assessment.
  • Cancer prevention – screening strategies and risk assessment.
  • Holistic approach – symptom relief, complication prevention, and quality of life improvement.
Dr Biriukova combines internal medicine with specialist insight, offering clear explanations, personalised treatment plans, and comprehensive care tailored to each patient.
Book a video appointment
€66
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 Crohnax

Contents of the leaflet

  1. PATIENT INFORMATION LEAFLET: USER INFORMATION
  2. Leaflet enclosed with the packaging: patient information
    1. Read the leaflet carefully before using the medicine, as it contains important information for the patient.
    2. Table of contents of the leaflet
  3. What is Crohnax and what is it used for
  4. Important information before using Crohnax
    1. When not to use Crohnax
    2. Warnings and precautions
    3. Children and adolescents
    4. Crohnax and other medicines
    5. Pregnancy and breastfeeding
    6. Driving and using machines
  5. How to use Crohnax
    1. Using a higher dose of Crohnax than recommended
    2. Missing a dose of Crohnax
    3. Stopping the use of Crohnax
  6. Possible side effects
  7. How to store Crohnax
  8. Package contents and other information
    1. What Crohnax contains
    2. What Crohnax looks like and what the package contains
    3. Marketing authorization holder and manufacturer
    4. Date of the last update of the leaflet:

PATIENT INFORMATION LEAFLET: USER INFORMATION

Leaflet enclosed with the packaging: patient information

CROHNAX
Mesalazine
500 mg
suppositories
CROHNAX
Mesalazine
1000 mg
suppositories

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 pharmacist.
This medicine has been prescribed to a specific person. Do not pass it on to others. The medicine may harm another person, even if their symptoms are the same.
If the patient experiences any side effects, including any not listed in this leaflet, they should tell their doctor or pharmacist. See section 4.

Table of contents of the leaflet

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

Not sure if this medicine is right for you?

Discuss your symptoms and treatment with a doctor online.

1. What is Crohnax and what is it used for

Crohnax is a medicine with anti-inflammatory effects on the diseased rectal wall.
Crohnax is used to treat ulcerative colitis with changes localized in the rectum.

2. Important information before using Crohnax

When not to use Crohnax

Crohnax should not be used if the patient has:
hypersensitivity (allergy) to any of the medicine's ingredients;
hypersensitivity (allergy) to salicylic acid and its derivatives (e.g., aspirin);
severe kidney or liver function disorders;
gastric and duodenal ulcer disease;
blood coagulation disorders.
The medicine should not be used in children under 12 years of age.

Warnings and precautions

Caution should be exercised when using Crohnax in patients with kidney and/or liver disease, lung disease, especially asthma or chronic non-specific lung disease (CNSLD), hypersensitivity to sulfasalazine.
14 days after starting treatment, and then 2-3 times at 4-week intervals, control blood tests (blood count, liver function tests - alanine or aspartate aminotransferase activity, creatinine levels) and urine tests (strip test and urine sediment) should be performed. If the results are normal, subsequent tests should be performed every 3 months, but if additional symptoms occur, the tests should be performed immediately.
The medicine should not be used for 6 weeks after vaccination against chickenpox.

Children and adolescents

Use as directed by a doctor.

Crohnax and other medicines

The doctor or pharmacist should be informed about all medicines currently being taken or recently taken, as well as any medicines the patient plans to take. In particular, the doctor should be informed about the use of:

  • medicines used to reduce blood clotting, thin the blood (coumarin derivatives, acenocoumarol);
  • medicines with strong antiallergic, anti-inflammatory effects (glucocorticosteroids);
  • pain relievers, anti-inflammatory medicines (non-steroidal anti-inflammatory drugs, e.g., indomethacin);
  • medicines used in diabetes (sulfonylurea derivatives);
  • a medicine used, among other things, in the treatment of cancer, psoriasis, and rheumatoid diseases (methotrexate);
  • medicines used in the treatment of gout (probenecid or sulfinpyrazone);
  • medicines with diuretic effects, lowering blood pressure (furosemide, spironolactone);
  • a medicine used in the treatment of tuberculosis (rifampicin);
  • medicines used after organ transplants, inhibiting the immune system (azathioprine, 6-mercaptopurine).

Pregnancy and breastfeeding

Before using any medicine, consult a doctor or pharmacist.
The use of mesalazine during pregnancy and breastfeeding is always decided by a doctor, as mesalazine may pass into breast milk in small amounts.
If the breastfed child experiences diarrhea, breastfeeding should be discontinued.

Driving and using machines

Crohnax does not affect the ability to drive and use machines.

Medicine questions

Started taking the medicine and have questions?

Discuss your symptoms and treatment with a doctor online.

3. How to use Crohnax

Crohnax is intended for rectal administration. It is recommended to empty the bowels before use. With a dosing regimen of twice a day, suppositories should be used in the morning and evening. With a dosing regimen of once a day, the suppository should be used in the evening, before bedtime.
Adults and the elderly:
In the exacerbation phase of the disease, a daily dose of 1000-2000 mg is usually used in 1 to 3 doses.
In the remission phase, to prevent the recurrence of the disease, a daily dose of 250-500 mg is usually used in 1 or 2 doses.
Children and adolescents:
There is limited experience and documentation regarding the efficacy and safety of use in children.
The usual dose of the medicine in this group is 500 mg in the evening or 1000 mg in two doses.
It is recommended that the suppository remain in the rectum for as long as possible; if it is expelled within 10 minutes of application, a new suppository should be used.
For the treatment to be effective, it is essential to use Crohnax regularly and consistently, as directed by the doctor.

In case of taking a higher dose of the medicine than recommended, consult a doctor or pharmacist.

Missing a dose of Crohnax

Take the missed dose as soon as possible. Then, apply the next dose at the usual time. However, if it means taking two doses in a short period, do not take the missed dose.
Do not take a double dose to make up for the missed dose.

Stopping the use of Crohnax

Always inform the attending doctor about stopping the treatment with Crohnax or ending it prematurely (e.g., due to side effects).

4. Possible side effects

Like all medicines, Crohnax can cause side effects, although not everybody gets them. During treatment with the medicine, the following may occur:
Frequently (1/100 to <1>

  • gastrointestinal disorders, such as abdominal pain, nausea, vomiting, diarrhea;
  • nervous system disorders, such as headaches and dizziness;
  • skin and subcutaneous tissue disorders, such as hives, erythematous rash. Rarely (

1/10 000 to <1>

  • heart disorders, such as myocarditis and pericarditis;
  • gastrointestinal disorders, such as increased amylase activity and pancreatitis. Very rarely (<1>
  • blood and lymphatic system disorders, such as leukopenia (decreased white blood cell count), granulocytopenia (decreased granulocyte count), neutropenia (decreased neutrophil count), agranulocytosis (decreased granulocyte count), aplastic anemia (bone marrow failure leading to anemia), thrombocytopenia (decreased platelet count), eosinophilia (increased eosinophil count), pancytopenia (decreased count of all blood cells);

neurological disorders, such as peripheral neuropathy (inflammation of peripheral nerves);

  • respiratory, thoracic, and mediastinal disorders, such as allergic reactions (dyspnea, cough, allergic pneumonia, eosinophilic pneumonia, pulmonary infiltrates, pneumonia);
  • hepatic and biliary disorders, such as increased liver enzyme activity and bilirubin levels, hepatotoxicity (hepatitis, liver cirrhosis, liver failure);
  • skin and subcutaneous tissue disorders, such as reversible alopecia, erythema multiforme, Stevens-Johnson syndrome (formation of blisters on mucous membranes, which quickly disappear. The dominant skin changes are, however, drying necrosis, which transforms into layered and hemorrhagic scabs. The most common location of the disease is the oral cavity and genital organs, sometimes the mucous membranes of the eyes and nose);
  • musculoskeletal and connective tissue disorders, such as muscle and joint pain, lupus-like symptoms (vasculitis and joint pain, muscle and joint pain);
  • renal and urinary disorders, such as acute and chronic interstitial nephritis, renal failure, and nephrotic syndrome.

In case of any side effects, stop using the medicine. Side effects can be reported to a healthcare professional, the marketing authorization holder, or the President of the Office for Registration of Medicinal Products, Medical Devices, and Biocidal Products, Al. Jerozolimskie 181C, 02-222 Warsaw, tel.: +48 22 49 21 301, fax: +48 22 49 21 309, e-mail: [email protected].

5. How to store Crohnax

Store at a temperature below 25°C.
The medicine should be stored in a place inaccessible and invisible to children.
Do not use after the expiration date stated on the packaging.

6. Package contents and other information

What Crohnax contains

The active substance of the medicine is mesalazine.
The excipients are cetostearyl alcohol, sodium docuzate, and solid fat.

What Crohnax looks like and what the package contains

The packaging consists of PVC/PE film blisters and a leaflet in a cardboard box.
Crohnax, 500 mg: 30 suppositories.
Crohnax, 1000 mg: 14, 15, 28, or 30 suppositories.

Marketing authorization holder and manufacturer

Farmina sp. z o.o.
ul. Lipska 44

  • 30-721 Kraków [Logo]

Date of the last update of the leaflet:

  • Crohnax
  • Country of registration
  • Dosage form
    Suppositories, 1000 mg
  • ATC code
    A07EC02
  • Active substance
  • Prescription required
    Yes
  • Manufacturer
  • Importer
    Farmina Sp. z o.o.
  • Alternatives to Crohnax
    Dosage form: Tablets, 250 mg
    Active substance: mesalazine
    Prescription required
    Dosage form: Suppositories, 250 mg
    Active substance: mesalazine
    Manufacturer: Temmler Italia S.R.L.
    Prescription required
    Dosage form: Tablets, 500 mg
    Active substance: mesalazine
    Prescription required

Online doctors for Crohnax

Discuss questions about Crohnax, including use, safety considerations and prescription review, subject to medical assessment and local regulations.

Doctor
5.0(11)

Anna Biriukova

Gastroenterology6 years of experience

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.

Cardiology – Diagnosis and treatment of:

  • High blood pressure, blood pressure fluctuations, and cardiovascular risk prevention.
  • Chest pain, shortness of breath, arrhythmias (tachycardia, bradycardia, palpitations).
  • Leg swelling, chronic fatigue, reduced exercise tolerance.
  • EKG interpretation, lipid profile evaluation, cardiovascular risk assessment (heart attack, stroke).
  • Post-COVID-19 cardiac monitoring and care.
Endocrinology – Diabetes, thyroid, metabolism:
  • Diagnosis and management of type 1 and type 2 diabetes, and prediabetes.
  • Individual treatment plans including oral medications and insulin therapy.
  • GLP-1 therapy– modern pharmacological treatment for weight management and diabetes control, including drug selection, monitoring, and safety follow-up.
  • Thyroid disorders – hypothyroidism, hyperthyroidism, autoimmune thyroid diseases (Hashimoto’s, Graves’ disease).
  • Metabolic syndrome – obesity, lipid disorders, insulin resistance.
Gastroenterology – Digestive health:
  • Abdominal pain, nausea, heartburn, gastroesophageal reflux (GERD).
  • Stomach and intestinal conditions: gastritis, irritable bowel syndrome (IBS), indigestion.
  • Management of chronic digestive disorders and interpretation of tests (endoscopy, ultrasound, labs).
General internal medicine and preventive care:
  • Respiratory infections – cough, colds, bronchitis.
  • Lab test analysis, therapy adjustments, medication management.
  • Adult vaccinations – planning, contraindications assessment.
  • Cancer prevention – screening strategies and risk assessment.
  • Holistic approach – symptom relief, complication prevention, and quality of life improvement.
Dr Biriukova combines internal medicine with specialist insight, offering clear explanations, personalised treatment plans, and comprehensive care tailored to each patient.
Book a video appointment
€66
Doctor
5.0(36)

Andrei Popov

General medicinePain medicine7 years of experience

Dr. Andrei Popov is a family physician with specialized training in the management of chronic pain. He provides video consultations for adults in Spain and across Europe: whether you have been living with pain for months that no one has been able to properly explain, or you need to resolve a health issue without waiting weeks for an appointment.

His approach is clear: to listen, organize your case, and provide you with a practical roadmap based on evidence-based medicine and adapted to your medical history and personal needs.

Pain: how he can help

  • Chronic pain (more than 3 months
  • Migraine and recurrent or high-intensity headaches
  •  Neck, lower back, back and joint pain
  •  Post-traumatic pain after injuries or surgeries
  •  Pain of neurological origin: neuralgia, neuropathic pain, fibromyalgia

General medicine

  • Frequent respiratory infections (cold, flu, persistent cough)
  • Hypertension, diabetes and metabolic disorders
  • Review of laboratory tests and MRI/CT reports (explained in clear language)
  • Preventive medicine and health monitoring
  • Second opinions and treatment adjustments (when clinically appropriate)

What the consultation is like
 Each session lasts up to 30 minutes. We review symptoms, medical history, medications and any tests you provide, and you finish the consultation with a clear treatment plan, defined next steps, and criteria to understand when follow-up may be needed. If warning signs are detected, he will clearly advise whether you need in-person care or urgent medical attention.

Book a video appointment
€86
Doctor
5.0(19)

Nuno Tavares Lopes

Family medicineGeneral medicine18 years of experience

Dr. Nuno Tavares Lopes is a licensed physician in Portugal with 17 years of experience in emergency medicine, family and general practice, and public health. He is the Director of Medical and Public Health Services at an international healthcare network and serves as an external consultant for the WHO and ECDC.

  • Emergency care: infections, fever, chest/abdominal pain, minor injuries, paediatric emergencies
  • Family medicine: hypertension, diabetes, cholesterol, chronic disease management
  • Travel medicine: pre-travel advice, vaccinations, fit-to-fly certificates, travel-related illnesses
  • Sexual and reproductive health: PrEP, STD prevention, counselling, treatment
  • Weight management and wellness: personalised weight loss programmes, lifestyle guidance
  • Skin and ENT issues: acne, eczema, allergies, rashes, sore throat, sinusitis
  • Pain management: acute and chronic pain, post-surgical care
  • Public health: prevention, health screenings, long-term monitoring
  • Sick leave (Baixa médica) connected to Segurança Social in Portugal
  • IMT medical certificates for driving licence exchange
Dr. Nuno Tavares Lopes provides medical support for patients using GLP-1 medications (Mounjaro, Wegovy, Ozempic, Rybelsus) 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 Europe.

Dr. Lopes also provides interpretation of medical tests, follow-up care for complex patients, and multilingual support. Whether for urgent concerns or long-term care, he helps patients act with clarity and confidence.

Book a video appointment
€70

Get Crohnax Prescription Online

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Tell us your symptoms, history, and what medicine you're requesting.

2

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3

Doctor reviews your case

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4

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Electronic prescription sent to your email — valid across Spain.

Frequently Asked Questions

Is a prescription required for Crohnax?

Crohnax requires a prescription in Poland. You can check with a doctor online whether this medicine may be appropriate for your situation.

What is the active substance in Crohnax?

The active ingredient in Crohnax is mesalazine. This information helps identify medicines with the same composition but different brand names.

Who manufactures Crohnax?

Crohnax is manufactured by Farmina Sp. z o.o.. Pharmacy brands and packaging may differ depending on the distributor.

Which doctors can assess the use of Crohnax 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 Crohnax is appropriate, depending on your situation and local regulations. You can book an online consultation to discuss your symptoms and possible next steps.

How to buy Crohnax in Spain?

Spain has a well-developed healthcare infrastructure across major cities such as Madrid, Barcelona, Valencia, and Seville. Pharmacies are widely available and operate under strict regulations, ensuring access to prescribed medications.

You can buy Crohnax in Madrid, Barcelona, Seville, or Valencia at any local pharmacy with a valid prescription.

To obtain a prescription, you can use Oladoctor:

What are the alternatives to Crohnax?

Other medicines with the same active substance (mesalazine) include Asamax 250, Asamax 250, Asamax 500. 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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