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Acidex Original Sugar Free Oral Suspension Peppermint

  • Sugar-free peppermint oral suspension for heartburn and acid reflux
  • Relieves acid regurgitation, indigestion, and discomfort after meals
  • Suitable for adults and children over 12 years
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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 Acidex Original Sugar Free Oral Suspension Peppermint

Acidex Original Sugar Free Oral Suspension Peppermint is a fast-acting reflux suppressant used to relieve symptoms of gastro-oesophageal reflux, including heartburn, acid regurgitation, and indigestion. It works by forming a protective layer on top of stomach contents to prevent stomach acid from rising into the food pipe, providing effective relief after meals or during pregnancy.

Acidex Oral Suspension is suitable for adults and children over 12 years and is available in:

  • Acidex Original Sugar Free Oral Suspension – 500 ml bottle
Medication Name Acidex Original Sugar Free Oral Suspension Peppermint
Active Ingredients Sodium bicarbonate 133.5 mg, sodium alginate 250 mg, calcium carbonate 80 mg per 5 ml
Other Ingredients Carbomer, sodium hydroxide, saccharin sodium, ethyl parahydroxybenzoate (E214), propyl parahydroxybenzoate (E216), butyl parahydroxybenzoate, isopropyl alcohol, peppermint oil, purified water
Medication Form Oral suspension (liquid)
Used to Treat Heartburn, acid regurgitation, and indigestion symptoms
Available Sizes 500 ml bottle
Who Can Use It Adults and children over 12 years. Children under 12 only on medical advice
Prescription Required? No – Pharmacy (P) medicine
Patient Information Leaflet Acidex Oral Suspension – Patient Information Leaflet

Who Is Acidex Oral Suspension Suitable For?

Acidex Oral Suspension is suitable for adults and children over 12 years experiencing heartburn, acid regurgitation, or indigestion. It can be taken by people who are pregnant or breastfeeding.

Do not use Acidex if you:

  • Are allergic to any of its ingredients

Consult a healthcare professional before use if you:

  • Require prolonged treatment or follow a low-sodium diet
  • Are taking other oral medicines, including antibiotics, antifungals, or heart medications

How to Use Acidex Oral Suspension

  1. Shake the bottle well before each use.
  2. Measure 10–20 ml using a spoon or measuring cup.
  3. Take after meals and at bedtime, up to four times a day.
  4. If a dose is missed, continue with the next scheduled dose. Do not double the dose.

Possible Side Effects of Acidex Oral Suspension

Very rarely, allergic reactions may occur including skin rash, swelling, dizziness, or difficulty breathing. If these occur, stop use and consult a doctor immediately.

Storage Instructions

  • Store below 25°C. Do not refrigerate.
  • Keep out of reach and sight of children.
  • Do not use after expiry date.

Acidex Original Sugar Free Oral Suspension Peppermint 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 16th February 2026.

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