Gaviscon Advance Aniseed Flavoured Suspension – 250ml

Description

Gaviscon Advance Oral Suspension Aniseed (Ltd) – 250ml

Gaviscon Advance Oral Suspension Aniseed is a pharmacy medicine used to relieve the symptoms of heartburn, acid indigestion, and gastro-oesophageal reflux, including the discomfort caused by stomach acid travelling back up into the throat (acid reflux).

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How It Works

Gaviscon Advance works by forming a thick, stable gel (known as a raft) on top of the stomach contents shortly after you swallow it. This raft acts as a physical barrier that helps prevent stomach acid from rising back up into the oesophagus (food pipe), providing fast and effective relief from the burning sensation associated with acid reflux and heartburn.

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Directions for Use

Adults and children aged 12 years and over: take 5–10 ml (1–2 teaspoons) after meals and at bedtime, up to four times daily. Children under 12 years should only use this product under medical supervision. Do not exceed the recommended dose. Always read the patient information leaflet before use. If you are unsure about the correct dose, speak to your PillSorted pharmacist.

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Active Ingredients

• Sodium alginate 500 mg per 5 ml dose
• Potassium bicarbonate 100 mg per 5 ml dose

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Possible Side Effects

Gaviscon Advance is generally well tolerated. Possible side effects may include:
• Hypersensitivity or allergic reactions (e.g., skin rash, itching, or swelling)
• Bloating or flatulence
• Nausea
• Changes in bowel habit

If you experience any serious side effects, stop taking this medicine and seek medical advice immediately.

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Who Should Not Take This Medicine

• People who are allergic to sodium alginate, potassium bicarbonate, or any other ingredient in this product
• People who have been advised to follow a low-potassium diet
• People who have been advised to follow a low-sodium diet (this product contains sodium)
• Children under 12 years, unless under medical supervision

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Interactions

Gaviscon Advance may affect the absorption of some medicines if taken at the same time. It is generally recommended to leave a gap of at least 2 hours between taking Gaviscon Advance and other medicines, particularly antibiotics such as tetracyclines and quinolones, thyroid medicines (levothyroxine), iron supplements, and some antifungal medicines. Tell your PillSorted pharmacist or doctor about all medicines you are currently taking, including herbal remedies and supplements.

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Pregnancy and Breastfeeding

Gaviscon Advance is commonly used during pregnancy to relieve heartburn and is generally considered suitable; however, as it contains potassium bicarbonate and a relatively higher sodium content, it should only be used on the advice of a healthcare professional during pregnancy. It is not known to cause harm during breastfeeding at recommended doses. Speak to your doctor or PillSorted pharmacist before use if you are pregnant, trying to conceive, or breastfeeding.

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Alcohol

There is no known direct interaction between Gaviscon Advance and alcohol. However, alcohol can worsen the symptoms of acid reflux and heartburn, so it is advisable to limit alcohol consumption to help manage your symptoms more effectively.

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Driving and Operating Machinery

Gaviscon Advance Oral Suspension is not known to cause drowsiness or affect your ability to drive or operate machinery. It is safe to drive after taking this medicine.

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Storage

Store below 30°C in a dry place, away from direct heat and sunlight. Do not refrigerate or freeze. Once opened, use within the period stated on the label. Keep out of sight and reach of children. Do not use after the expiry date shown on the packaging.

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Important Information

• This product is a medicine. Speak to your doctor or PillSorted pharmacist before taking this product if you have an underlying medical condition or are taking any other medication or complementary therapy.
• If symptoms worsen or persist, contact your doctor.
• If pregnant, trying to conceive or breastfeeding, seek medical advice before use.
• If you suffer from allergies, confirm suitability with your PillSorted pharmacist before use.
• Store out of sight and reach of children.
• Read the enclosed patient information leaflet carefully before use.
• Contact your GP where appropriate.

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Patient Information Leaflet

For the full Patient Information Leaflet (PIL) for this medicine, visit the electronic Medicines Compendium (EMC). For further information about this medicine, visit NHS.uk.

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This content has been medically reviewed and approved by Zeinab Ardeshir (GPhC 2075730), Superintendent Pharmacist at PillSorted (GPhC-registered online pharmacy 9011258). Last reviewed: March 2026.

Brand	Gaviscon
Class	Pharmacy Medicine