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Granupas 4 g gastro-resistant granules – patient leaflet, side effects, dosage

Text from the MHRA, as of · About this document

Medicine status: No longer supplied Details

Medicine strength:
4 g (1 gram/gram)
Contains active substance:

Patient leaflet - Granupas 4 g gastro-resistant granules

1. What PASER is and what it is used for

PASER contains para-aminosalicylic acid which is used in adults and children aged 28 days and older to treat resistant tuberculosis in combination with other medicines, in cases of resistance or intolerability with other treatments.

2. What you need to know before you take PASER

Do not take PASER

  • if you are allergic to para-aminosalicylic acid or any

    of the other ingredients of this medicine (listed in section 6).

  • if you have severe kidney disease.

If you are not sure, talk to your doctor or pharmacist before taking PASER.

Warnings and precautions

Talk to your doctor or pharmacist before taking PASER

  • if you have liver problems or mild or moderate

    kidney disease

  • if you have a stomach ulcer
  • if you are infected with HIV

Children

Use of PASER is not recommended in newborn babies (under 28 days of age).

Other medicines and PASER

Tell your doctor or pharmacist if you are taking, have recently taken or might take any other medicines.

It is especially important to tell your doctor if you are taking any of the following:

  • Antituberculosis medicines or ethionamide (other

    treatments against tuberculosis)

  • Vitamin B12
  • Digoxin (for heart disease)
  • Diphenylhydramine (for allergic reactions)
  • Tenofovir (for HIV/ hepatitis B infections)

Pregnancy and breast-feeding

If you are pregnant or breast-feeding, think you may be pregnant or are planning to have a baby, ask your doctor or pharmacist for advice before taking this medicine. PASER is not recommended during pregnancy and should only be used if advised by your physician.

Do not breastfeed whilst taking PASER. This is because small amounts of the medicine can pass into mother’s milk.

Driving and using machines

PASER is unlikely to affect your ability to drive any vehicle and use machines.

In case it does, please report it to your doctor or pharmacist.

3. How to take PASER

Always take this medicine exactly as your doctor has told you. Check with your doctor or pharmacist if you are not sure.

Adults

The recommended dose for adults is 1 sachet three times a day, with a schedule of 1 sachet every 8 hours. Your physician may need to start with a lower dose to prevent possible side effects.

Do not take more than 3 sachets per day. Treatment is usually given for two years (24 months).

  • Add the contents of the sachet to a drink of tomato

    or orange juice.

  • Drink straight away.
  • If some granules are left in the glass, add some more

    juice and drink straight away.

Use in infants, children and adolescents

The dose in infants, children and adolescents will be calculated by your doctor based on the patient’s body weight. The recommended total dose per day is 150 mg for each kg of body weight. This daily amount is divided into two doses spread out through the day.

  • Sprinkle the granules onto apple sauce or yogurt.
  • Make your child eat it straight away.

Taking this medicine

  • Do not crush or chew the granules. Swallow the

    granules whole. It is important that you do not dissolve, crush or chew the granules as they may not absorb properly and may cause stomach ache or bleeding.

  • Do not use the sachet if it is swollen or the granules

    have lost their light brown colour.

  • You may notice granules appearing in your stools;

    this is normal.

If you take more PASER than you should

Speak to a doctor or pharmacist.

If you forget to take a dose of PASER. Do not take a double dose to make up for a forgotten dose. Wait until the next dose is due, then take your normal dose. If you have any further questions on the use of this medicine, ask your doctor or pharmacist.

4. Possible side effects

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

During the first 3 months of your treatment with PASER, gastro-resistant granules, you must be attentive to any sign of allergic reaction (for example skin eruption, itchy red spots on the skin, itching, rash, watery or itchy eyes or stuffy nose) or hepatitis (for example fever, fatigue, dark urine, pale stool, abdominal pain, yellow skin and eyes). If you experience any of these symptoms, you must contact to your doctor immediately.

Common side effects (may affect more than 1 in 100 people):

  • giddiness,
  • stomach ache (abdominal pain),
  • vomiting,
  • nausea,
  • bloating,
  • diarrhoea,
  • soft stools,
  • skin redness or rash,

    • disturbance of gait and equilibrium.

Uncommon side effects (may affect more than 1 in 1,000 people):

  • loss of appetite (anorexia).

Rare side effects (may affect more than 1 in 10,000 people):

  • thyroid gland problems*,
  • reduced ability to absorb nutrients from food ulcer,
  • bleeding in the gut,
  • yellowing of skin or eyes (jaundice),
  • metallic taste,
  • itchy rash.

(*) in subjects also infected with HIV thyroid gland problems and specifically underactive thyroid or low levels of thyroid hormones, are a very common side effect that may affect more than 1 in 10 people. Regular monitoring of the thyroid function is indicated for all people living with HIV.

Very rare side effects (may affect less than 1 in 10,000 people):

  • reduction in blood platelets,
  • red spots on the skin,
  • reduction in numbers of white blood cells,
  • reduction in numbers of red blood cells,
  • reduction of the ability of red blood cells to release oxygen
  • low levels of blood sugar,
  • tendon pain,
  • headache,
  • visual abnormalities,
  • nerve damage in the hands and feet,
  • dizziness,
  • crystals in urine.
  • prolonged bleeding time,
  • destruction of liver cells
  • elevated liver enzymes,
  • weight loss.

Not known side effects (frequency cannot be estimated from the available data):

  • hepatitis.

Reporting of side effects

If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via;

Yellow Card Scheme

Website: www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play or Apple App Store. By reporting side effects you can help provide more information on the safety of this medicine.

5. How to store PASER

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

Do not use this medicine after the expiry date which is stated on the carton and sachet after EXP. The expiry date refers to the last day of the month.

Do not store above 25°C. The sachets can be stored below 25°C up to 24 hours after opening.

Do not use this medicine if you notice the sachets are swollen or if the granules are dark brown or purple.

Do not throw away any medicines via wastewater or household waste.

Ask your pharmacist how to throw away medicines you no longer use. These measures will help protect the environment.

6. Contents of the pack and other information

What PASER contains

The active substance is para-aminosalicylic acid. Each sachet weighs 6.49 g and contains 4.00 g of para-aminosalicylic acid.

The other ingredients are silica, colloidal hydrated, dibutyl sebacate, methacrylic acid – ethyl acrylate copolymer (1:1) dispersion 30 per cent, hypromellose, cellulose, microcrystalline, talc.

What PASER looks like and contents of the pack

This medicine is presented as light brown gastro-resistant granules in sachets.

Each box contains 30 sachets.

Marketing Authorisation Holder and Manufacturer

Eurocept International BV

Trapgans 5

1244 RL Ankeveen

The Netherlands

For any information about this medicine, please contact the local representative of the Marketing Authorisation Holder:

Lucane Pharma

Tel: + 33 153 868 750

info@lucanepharma.com

This leaflet was last revised in xx.2026

About this document

Source: MHRA - Medicines and Healthcare products Regulatory Agency (products.mhra.gov.uk) · Marketing authorisation: PLGB 35068/0003

MHRA data as of 13 October 2026

Found a mistake? Tell us on the contact page.

The information on this site does not replace the advice of a doctor or pharmacist.

Facts about Granupas 4 g gastro-resistant granules

Active substance Aminosalicylic acid
Strength 4 g (1 gram/gram)
Pharmaceutical form Gastro-resistant granules
The granules are small off white/ light brown coloured approximately 1.5 mm diameter.
How is it taken Oral
Excipients Silica, colloidal hydrated, Dibutyl sebacate, Methacrylic acid – Ethyl acrylate copolymer (1:1) Dispersion 30 per cent Hypromellose, Cellulose, microcrystalline, Talc
Is it available? No, all its packs are listed as discontinued (NHS Dictionary of Medicines and Devices – not a record of current supplies)
Shelf life 2 years.
The sachets can be stored below 25°C up to 24 hours after first opening.
Storage Do not store above 25°C.
For storage conditions after first opening of the medicinal product, see section 6.3.
6 PHARMACEUTICAL PARTICULARS
Drug group (ATC) Antimycobacterials, drugs for treatment of tuberculosis
  1. J Antiinfectives for systemic use
    1. J04 Antimycobacterials
      1. J04A Drugs for treatment of tuberculosis
        1. J04AA Aminosalicylic acid and derivatives
          1. J04AA01 4-aminosalicylic acid
Marketing authorisation PLGB 35068/0003 (first authorised 1 January 2021)
Marketing authorisation holder Eurocept International BV
Codes BNF 05010900

Sources: the MHRA product information (products.mhra.gov.uk) and the NHS Dictionary of Medicines and Devices (dm+d), release 10.2.0 of 19 October 2026, NHS Business Services Authority. Contains public sector information licensed under the Open Government Licence v3.0.