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Pepto-Bismol Oral Suspension

  • Fast-acting liquid for upset stomach, diarrhoea, and indigestion
  • Helps protect the stomach lining and reduce irritation
  • Suitable for adults and young people aged 16+
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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 Pepto-Bismol Oral Suspension

Pepto-Bismol Oral Suspension contains bismuth subsalicylate 17.5 mg per ml, a trusted medicine used to relieve a range of common digestive symptoms. It works by coating the lining of the stomach and intestines, helping to protect against irritation while calming inflammation and neutralising harmful substances that can cause discomfort.

Pepto-Bismol Oral Suspension is commonly used for short-term relief of upset stomach, heartburn, indigestion, nausea, diarrhoea, and excess gas. It is suitable for adults and young people aged 16 years and over.

Pepto-Bismol Oral Suspension is available in three bottle sizes:

  • Pepto-Bismol Oral Suspension – 120ml
  • Pepto-Bismol Oral Suspension – 240ml
  • Pepto-Bismol Oral Suspension – 480ml

 

Medication Name Pepto-Bismol Oral Suspension
Active Ingredient Bismuth subsalicylate 17.5 mg per ml
Other Ingredients Purified water, flavourings, sweeteners, and excipients
Medication Form Oral suspension (liquid)
Used to Treat Indigestion, heartburn, nausea, upset stomach, diarrhoea, excess gas
Available Sizes 120ml, 240ml, or 480ml bottle
Who Can Use It Adults and young people aged 16 years and over
Prescription Required? No – Pharmacy (P) medicine

What Is Pepto-Bismol Oral Suspension Used For?

Pepto-Bismol Oral Suspension is used for the relief of digestive discomfort, including heartburn, indigestion, nausea, upset stomach, diarrhoea, and wind. It helps protect the stomach lining while reducing irritation and inflammation.

Who Is Pepto-Bismol Oral Suspension Suitable For?

Pepto-Bismol is suitable for adults and young people aged 16 years and over.

Do not use Pepto-Bismol Oral Suspension if you:

  • Are allergic to salicylates (including aspirin)
  • Are under 16 years of age
  • Have stomach ulcers or bleeding problems
  • Are taking other salicylate-containing medicines

Speak to a healthcare professional before use if you:

  • Are pregnant or breastfeeding
  • Have kidney problems
  • Are taking anticoagulants or anti-inflammatory medicines
  • Have worsening or persistent symptoms

How to Use Pepto-Bismol Oral Suspension

  1. Shake the bottle well before each use.
  2. Measure 30ml using the provided dosing cup.
  3. Take every 30–60 minutes if needed.
  4. Do not exceed 8 doses in 24 hours.

If diarrhoea lasts longer than 2 days or symptoms worsen, seek medical advice.

Possible Side Effects of Pepto-Bismol Oral Suspension

Common side effects:

  • Temporary blackening of the tongue
  • Temporary dark stools

Rare but serious side effects:

  • Allergic reactions such as rash or swelling
  • Ringing in the ears

Warnings and Precautions

  • Do not exceed the recommended dose.
  • Not suitable for children under 16 due to risk of Reye’s syndrome.
  • Contains salicylate – avoid combining with aspirin.
  • Stop use and seek medical advice if symptoms persist.

Storage Instructions

  • Store below 25°C.
  • Keep the bottle tightly closed.
  • Keep out of sight and reach of children.

Pepto-Bismol Oral Suspension 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 27th January 2026.

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