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Gaviscon Advance Liquid Sachets – patient leaflet, side effects, dosage

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

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Patient leaflet - Gaviscon Advance liquid sachets

1.What are Gaviscon Advance Liquid Sachets and what are they used for?

Gaviscon Advance Liquid Sachets are 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

You must talk to a doctor if you do not feel better or if you feel worse after 7 days

2.What you need to know before taking Gaviscon Advance Liquid Sachets

Do not take Gaviscon Advance: If you know you are allergic to any of the ingredients of Gaviscon Advance liquid Sachets listed in section 6.

Warnings and precautions Gaviscon Advance liquid Sachets

This medicine contains 40 mg calcium per 5 ml dose.

This medicine contains 1.0 mmol (or 39. 06 mg) potassium per 5 ml dose. To be taken into consideration by patients with reduced kidney function or patients on a controlled potassium diet.

Each 5 ml contains 57.85 mg sodium (main component of cooking/tablet salt) this is equivalent to 2.9% of the recommended maximum daily dietary intake of sodium for an adult.

Gaviscon Advance 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 Advance 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.

If you have been advised to follow a diet restricted in any of these please consult your doctor before taking this product.

Also talk to your doctor or pharmacist if you need four or more daily doses for a prolonged period, if you suffer or have suffered from significant kidney or heart disease, as certain salts could interfere with these diseases.

This product contains Methyl parahydroxybenzoate (E218) and propyl parahydroxybenzoate (E216). May cause allergic reactions (possibly delayed).

Other medicines and Gaviscon Advance Liquid Sachets:

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

Wait at least 2 hours between taking this medicine and other medicines such as tetracyclines, fluoroquinolones (types of antibiotics), iron salts, thyroid hormones, chloroquine (a medication used to prevent malaria), bisphosphonates (a medication used to treat osteoporosis) and estramustine (a medication to treat prostate cancer).

Pregnancy and beast‐feeding:

You can take Gaviscon Advance Liquid Sachets if you are pregnant or breastfeeding.

Driving and using machines:

This medicine has no influence on the ability to drive and use machines.

3.How to take Gaviscon Advance Liquid Sachets

Always take Gaviscon Advance Liquid Sachets exactly as described in this leaflet or as your doctor or pharmacist has told you. Check with your doctor or pharmacist if you are not sure.

The recommended dose is:

Adults including the elderly and children 12 years and over: one to two 5 ml spoonfuls after meals and at bedtime, or as directed.

Use in children and adolescents

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

Tear across perforated line. Squeeze liquid from bottom of sachet directly into mouth or onto a 5ml spoon.

If you forget to take Gaviscon Advance Liquid Sachets

If you forget a dose it is not necessary to double the dose next time. Just carry on taking the medicine at the recommended dose.

If symptoms persist after seven days consult your doctor.

If you take more Gaviscon Advance Liquid Sachets than you should

If you take too much Gaviscon Advance Liquid Sachets you may feel bloated and experience some abdominal discomfort. Consult your doctor or pharmacist if this feeling does not go away.

4.Possible side effects?

Like all medicines, this medicine can cause side effects, although not everybody gets them. 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. Uncommonly reported side-effects are diarrhea, nausea and vomiting. If you experience these side-effects stop taking the product and consult your doctor immediately.

Reporting 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 the yellow card scheme 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 this medicine

Keep this medicine out of the sight and reach of children. Do not use after the expiry date (EXP: month/year) shown on this pack. The expiry date refers to the last day of the month.

Do not refrigerate.

6.Contents of the pack and other information

What this product contains

Each 5 ml dose of oral suspension contains 500 mg sodium alginate and 100 mg potassium hydrogen carbonate as the active ingredients. It also contains calcium carbonate, carbomer, methyl parahydroxybenzoate (E218) and propyl parahydroxybenzoate (E216), sodium saccharin, sodium hydroxide, peppermint flavour and purified water.

What this product looks like and the contents of the pack

Off-white viscous oral suspension in sachets. Available in cartons containing 2, 4, 10, 12, 20, 24 or 48 sachets. Not all pack sizes may be marketed.

Marketing Authorisation Holder and Manufacturer: Reckitt Benckiser Healthcare (UK) Limited, Hull, HU8 7DS

This medicinal product is authorised in the Member States of the EEA under the following names:

Belgium - Gaviscon Advance Muntsmaak Unidose suspensie voor oraal gebruik/Goût Menthe Unidose, suspension buvable/Minzgeschmack Unidose Suspension zum Einnehmen

France - Gavisconpro Menthe, suspension buvable en sachet

Germany - Gaviscon Advance Pfefferminz 1000 mg/200 mg Suspension zum Einnehmen im Beutel

Ireland - Gaviscon Advance Peppermint Oral Suspension Sachets Italy - Gaviscon Advance sospensione orale aroma menta in bustine Netherlands - Gaviscon Extra Sterk liquid sticks pepermunt, suspensie voor oraal gebruik

United Kingdom - Gaviscon Advance Liquid Sachets. Oral Suspension

This leaflet was last revised in: 10/2020

About this document

Source: MHRA - Medicines and Healthcare products Regulatory Agency (products.mhra.gov.uk) · Marketing authorisation: PL 00063/0112

Last revision stated in the text: October 2020 · 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 Advance liquid sachets

Active substance Sodium alginate
Drug group (ATC)
  1. A Alimentary tract and metabolism drugs
    1. A02 Drugs for acid related disorders
      1. A02B Drugs for peptic ulcer and gastro-oesophageal reflux disease (GORD)
        1. A02BX Other drugs for peptic ulcer and gastro-oesophageal reflux disease (GORD)
Marketing authorisation PL 00063/0112

Sources: the MHRA product information (products.mhra.gov.uk). Contains public sector information licensed under the Open Government Licence v3.0.