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Gaviscon Liquid Sachets – patient leaflet, side effects, dosage

Last updated: · Text from the MHRA, as of · About this document

Patient leaflet - Gaviscon liquid sachets

1. WHAT ARE GAVISCON LIQUID SACHETS AND WHAT ARE THEY USED FOR?

Gaviscon Liquid Sachets belongs to a group of medicines called "reflux suppressants”, which act rapidly (in 3 minutes) to form a protective layer on top of the stomach contents for up to 4 hours to prevent stomach acid escaping from the stomach where it works into the food pipe causing pain and discomfort.

This medicine is used for the treatment of symptoms of gastro-oesophageal reflux such as acid regurgitation, heartburn and indigestion (related to reflux), for example, following meals, or during pregnancy, or in patients with symptoms related to reflux oesophagitis.

2. WHAT YOU NEED TO KNOW BEFORE YOU TAKE GAVISCON LIQUID SACHETS

Do not take Gaviscon Liquid Sachets

  • if you know that you are allergic (hypersensitive) to any of the ingredients of Gaviscon Liquid Sachets as very rarely difficulty in breathing and skin rashes have occurred (see further information for a full list).

Warnings and precautions

Take special care with Gaviscon Liquid Sachets

This medicine contains sodium (6.2 mmol per 10 ml) and calcium (1.6 mmol per 10 ml). The maximum recommended daily dose of this medicinal product contains 1140.8 mg sodium (found in table salt). This is the equivalent to 57.04% of the adult recommended maximum daily dietary intake for sodium.

  • Gaviscon Liquid Sachets is indicated for short term treatment only unless advised by your healthcare professional. Talk to your pharmacist or doctor if you need Gaviscon Liquid Sachets on a daily basis for a prolonged period of time or on a regular basis, especially if you have been advised to have a low salt diet.
  • Please also talk to your doctor regarding these salt contents if you suffer or have suffered from significant kidney or heart disease, as certain salts could interfere with these diseases.

If symptoms persist after 7 days please consult your doctor.

Methyl Parahydroxybenzoate (40 mg/10ml) and Propyl Parahydroxybenzoate (6 mg/10ml) may cause allergic reactions (possibly delayed).

Other medicines and Gaviscon Liquid Sachets

Do not take this product within two hours of taking other medicines by mouth as it can interfere with the action of some other medicines.

Please tell your doctor or pharmacist if you are taking or have recently taken any other medicines including medicines obtained without prescription.

Pregnancy, breast-feeding and fertility:

You can take this product if you are pregnant or breast-feeding.

Important information about some of the ingredients of Gaviscon Liquid Sachets This product contains methyl (E218) and propyl (E216) para-hydroxybenzoates which may cause allergic reactions (possibly delayed).

3. HOW TO TAKE GAVISCON LIQUID SACHETS

For oral administration.

Adults, including the elderly and children 12 years and over: One to two sachets after meals and at bedtime, or as directed (up to four times a day).

Children under 12 years: Should only be taken on medical advice.

If you take more Gaviscon Liquid Sachets than you should

If you take too much of this product you may feel bloated and experience some abdominal discomfort. Consult your doctor if this doesn’t go away.

If you forget to take Gaviscon Liquid Sachets

If you forget a dose it is not necessary to double the dose next time, just carry on taking as before.

4. POSSIBLE SIDE EFFECTS

Like all medicines, Gaviscon Liquid Sachets can cause side effects, although not everybody gets them.

If you experience these side effects stop taking the product and consult your doctor immediately. Very rare (less than 1 in 10,000) chance of an allergic reaction to the ingredients. Symptoms of this may include skin rash, itching, difficulty breathing, dizziness, or swelling of the face, lips, tongue or throat.

Reporting of side effects

If you get any side effects, talk to your doctor, pharmacist or nurse. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Yellow Card Scheme at: www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play or Apple App Store.

5. HOW TO STORE GAVISCON LIQUID SACHETS

KEEP OUT OF THE REACH AND SIGHT OF CHILDREN

Do not use Gaviscon Liquid Sachets after the expiry date which is stated on the sachet and carton {EXP: month/year}. The expiry date refers to the last day of that month. Do not store above 25oC and store in the original package

Do not freeze or refrigerate.

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

6. CONTENTS OF THE PACK AND OTHER INFORMATION

What Gaviscon Liquid Sachets contain

The active substances in each sachet (10 ml) of oral suspension contains 500 mg sodium alginate, 267 mg sodium bicarbonate and 160 mg calcium carbonate. The other ingredients are carbomer, methyl (E218) and propyl (E216) parahydroxy-benzoates, saccharin sodium, sodium hydroxide, natural mint flavour and purified water. This product does not contain sugar or colour.

What Gaviscon Liquid Sachets look like and contents of the pack

The medicinal product Gaviscon Liquid Sachets is an off-white suspension with the odour and flavour of peppermint.

Gaviscon Liquid Sachets are available in packs of 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 36 or 48 sachets.

Not all pack sizes may be marketed.

Marketing Authorisation Holder and Manufacturer

Reckitt Benckiser Healthcare (UK) Limited, Dansom Lane, Hull, HU8 7DS, United Kingdom.

This leaflet was last revised in

April 2022

About this document

Source: MHRA - Medicines and Healthcare products Regulatory Agency (products.mhra.gov.uk) · Marketing authorisation: PL 00063/0159

Last revision stated in the text: April 2022 · MHRA data as of 13 October 2026

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

Facts about Gaviscon liquid sachets

Active substances Calcium carbonate, Sodium bicarbonate, Sodium alginate
Pharmaceutical form An off-white suspension with the odour and flavour of peppermint.
Excipients Carbomer 974P, Methyl parahydroxybenzoate (E218), Propyl parahydroxybenzoate (E216), Saccharin sodium, Natural mint flavour, Sodium hydroxide, Purified water
Shelf life Two years.
Storage Do not store above 25°C and store in the original package. Do not freeze or refrigerate.
Marketing authorisation PL 00063/0159 (first authorised 12 November 2007)
Marketing authorisation holder Reckitt Benckiser Healthcare (UK) Limited

Sources: the MHRA product information (products.mhra.gov.uk) and the NHS Dictionary of Medicines and Devices (dm+d), release 10.1.0 of 12 October 2026, NHS Business Services Authority. Contains public sector information licensed under the Open Government Licence v3.0.