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Gaviscon Double Action Liquid Sachets

  • Dual-action liquid antacid for fast heartburn and acid reflux relief
  • Neutralises stomach acid and forms a protective barrier
  • Suitable for adults, children 12+, and during pregnancy
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£6.49
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Fast & Free Delivery Options

Variety of delivery options including next day & free delivery.

100% UK-based Pharmacy

Pharmacy, clinic and prescribers based in Greater Manchester.

Free Online Consultations

Start your treatment with a quick and free online consultation.

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About Gaviscon Double Action Liquid Sachets

Gaviscon Double Action Liquid Sachets contain a combination of sodium alginate, sodium bicarbonate, and calcium carbonate. This advanced antacid formula works in two ways to provide fast and effective relief from heartburn, acid reflux, and indigestion. It neutralises excess stomach acid while forming a protective barrier over stomach contents to help prevent acid from rising into the oesophagus.

Gaviscon Double Action Liquid Sachets are designed to relieve symptoms of gastro-oesophageal reflux such as acid regurgitation, heartburn, and indigestion, including discomfort that may occur after meals or during pregnancy.

This product is suitable for adults, the elderly, and children aged 12 years and over. It is available in convenient single-dose sachets for fast, on-the-go relief.

  • Gaviscon Double Action Liquid Sachets – 10ml sachets
Medication Name Gaviscon Double Action Liquid Sachets
Active Ingredients Sodium alginate, sodium bicarbonate, calcium carbonate
Other Ingredients Carbomer, methyl (E218) and propyl (E216) parahydroxybenzoates, sodium saccharin, peppermint flavour, sodium hydroxide, purified water
Medication Form Oral liquid suspension sachets
Used to Treat Heartburn, acid reflux, indigestion, excess stomach acid
Pack Size 10ml sachets (12 sachets)
Who Can Use It Adults, elderly, and children aged 12 years and over
Prescription Required? No – Pharmacy (P) medicine
Patient Information Leaflet Gaviscon Double Action Liquid Sachets –
Patient Information Leaflet

What Are Gaviscon Double Action Liquid Sachets Used For?

Gaviscon Double Action Liquid Sachets are used to treat symptoms of acid reflux, heartburn, and indigestion. They also help relieve discomfort caused by excess stomach acid by forming a protective layer that helps prevent acid from rising into the oesophagus.

Who Are Gaviscon Double Action Liquid Sachets Suitable For?

This medicine is suitable for:

  • Adults and elderly patients
  • Children aged 12 years and over
  • Pregnant and breastfeeding women (use for the shortest time possible)

Do not take Gaviscon Double Action Liquid Sachets if you:

  • Are allergic to any of the ingredients

Speak to a healthcare professional before use if you:

  • Have kidney or heart disease
  • Have been advised to follow a low sodium or calcium diet
  • Have reduced stomach acid levels

How to Take Gaviscon Double Action Liquid Sachets

  1. Take orally.
  2. Adults and children 12+: Take one to two 10ml sachets.
  3. Use after meals and before bedtime.
  4. Do not take more than four times daily.

If symptoms persist for more than 7 days, consult your doctor or pharmacist.

Possible Side Effects

Very rare side effects may include:

  • Allergic reactions such as rash, itching, or swelling
  • Difficulty breathing

Side effects of unknown frequency:

  • Constipation
  • Muscle cramps or twitching
  • High calcium levels in the blood with prolonged high-dose use

Warnings and Precautions

  • Do not exceed the recommended dose.
  • Contains sodium and calcium – consult a healthcare professional if on a restricted diet.
  • Do not take within two hours of other oral medicines.
  • Stop use and seek advice if symptoms worsen or persist.

Storage Instructions

  • Do not store above 25°C.
  • Do not refrigerate or freeze.
  • Keep out of the sight and reach of children.
  • Store in the original packaging.

Gaviscon Double Action Liquid Sachets Reviews

Our Experienced UK-based Pharmacy Team

Clinical Consultant
MUDr, MRCEM, EBCEM, FRCEM
GMC no. 7176414

Pharmacist
MPharm
GPhC no. 2065469

Pharmacist
MPharm
GPhC no. 2046514

Page content authored by Amjad Khan, last reviewed by Mr Muhammad on 9th March 2026.

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