Rennie Peppermint Indigestion & Heartburn Relief – 48 Tablets

Description

Rennie Peppermint Indigestion & Heartburn Relief – 48 Tablets

Rennie Peppermint tablets are an antacid medicine used to relieve the symptoms of heartburn, indigestion, flatulence, trapped wind, and bloating. They are suitable for adults and come in a pleasant peppermint flavour.

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How It Works

Rennie tablets contain calcium carbonate and heavy magnesium carbonate, which work by neutralising excess stomach acid. This helps to quickly reduce the burning sensation and discomfort associated with heartburn and indigestion, bringing fast, soothing relief.

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Directions for Use

Adults and children aged 12 years and over: chew or suck 2 tablets as needed, up to 3 times a day. Do not take more than 6 tablets in 24 hours. The tablets may be taken after meals or at bedtime when symptoms occur. Do not use continuously for more than 2 weeks without consulting a doctor. 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

• Calcium carbonate 680 mg per tablet
• Heavy magnesium carbonate 80 mg per tablet

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Possible Side Effects

Rennie is generally well tolerated, but some people may experience:
• Constipation
• Diarrhoea
• Stomach discomfort or bloating
• Raised blood calcium levels (with prolonged or high-dose use)
• Raised magnesium levels (with prolonged or high-dose use)
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 with hypercalcaemia (high calcium levels in the blood)
• People with severe kidney disease or kidney failure
• People with hypophosphataemia (low phosphate levels)
• Children under 12 years of age (unless directed by a doctor)
• People with a known allergy to any of the ingredients

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Interactions

Antacids such as Rennie can affect the absorption of other medicines if taken at the same time. It is recommended to leave at least 2 hours between taking Rennie and other medicines, particularly antibiotics (such as tetracyclines and quinolones), thyroid medicines (levothyroxine), bisphosphonates, and iron supplements. 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

Rennie has been widely used during pregnancy and breastfeeding and is generally considered safe when used as directed. However, it is important not to exceed the recommended dose, particularly during pregnancy, as excessive calcium intake may be harmful. 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 Rennie and alcohol. However, alcohol can irritate the stomach lining and worsen symptoms of heartburn and indigestion, so limiting alcohol intake is advisable if you are experiencing these symptoms.

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Driving and Operating Machinery

Rennie Peppermint tablets do not cause drowsiness and are not expected to affect your ability to drive or operate machinery. You can continue normal daily activities whilst taking this medicine.

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Storage

Store below 25°C in a dry place, away from direct sunlight and moisture. 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: February 2026.

Brand	RENNIE