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Rennie Peppermint Tablets - 72

Rennie Peppermint Tablets - 72
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Rennie Peppermint Tablets - 72

Fast, effective relief from indigestion and heartburn.

Rennie Peppermint

Rennie Peppermint is an antacid tablet which quickly relieves indigestion, heartburn, acid indigestion, dyspepsia, hyperacidity, nervous indigestion, flatulence, upset stomach, indisgestion during pregnancy and biliousness.

Dosage: Adults: 2 tablets to be sucked or chewed as required, up to a maximum of 16 tablets a day.

                Children 6-12 years: 1 tablet as required up to a maximum of 8 tablets a day.

                Children under 6: Not recommended.



Main useActive ingredientManufacturer


Calcium carbonate, magnesium carbonate (heavy)




How does Rennie Peppermint work?

Rennie peppermint and Rennie spearmint chewable tablets both contain two active ingredients, calcium carbonate and heavy magnesium carbonate. These are both medicines called antacids.

Stomach acid is produced as a normal part of the digestive process. However, if large amounts of stomach acid are produced this can cause abdominal pain commonly known as indigestion. The excess acid may also flow back into the food pipe (oesophagus) causing pain and a burning sensation known as heartburn.

Magnesium carbonate and calcium carbonate relieve these symptoms by binding to and neutralising excess stomach acid. This reduces the acidity in the stomach and the related symptoms.

What is Rennie used for?

  • Indigestion.
  • Heatburn.
  • Heartburn in pregnancy.
  • Excess acid in the stomach (hyperacidity).
  • Excess gas in the stomach and intestines (flatulence).
  • Upset stomach characterised by stomach pain and burning, nausea and excess gas (dyspepsia).


  • Do not exceed the recommended dose.
  • If symptoms persist despite treatment, seek medical advice from your doctor or pharmacist.
  • Indigestion and heartburn can sometimes be symptoms of more serious conditions such as stomach ulcers or stomach cancer. For this reason, you should consult your doctor before taking this medicine if any of the following apply to you: you are middle aged or older and your indigestion symptoms are new or recently changed; you also have difficulty swallowing; you have persistant stomach pain or unintended weight loss associated with indigestion; or you are taking painkillers called non-steroidal anti-inflammatory drugs (NSAIDs), eg aspirin, ibuprofen, diclofenac, indometacin, naproxen, azapropazone, piroxicam, ketoprofen.

Use with caution in

  • Decreased kidney function.

Not to be used in

  • Children under six years of age.

Rennie peppermint and spearmint should not be used if you are allergic to one or any of its ingredients. Please inform your doctor or pharmacist if you have previously experienced such an allergy.

If you feel you have experienced an allergic reaction, stop using this medicine and inform your doctor or pharmacist immediately.

Pregnancy and breastfeeding

Certain medicines should not be used during pregnancy or breastfeeding. However, other medicines may be safely used in pregnancy or breastfeeding providing the benefits to the mother outweigh the risks to the unborn baby. Always inform your doctor if you are pregnant or planning a pregnancy, before using any medicine.

  • There are no known harmful effects when Rennie Peppermint and Spearmint is used by pregnant or breastfeeding mothers.

Side effects

Medicines and their possible side effects can affect individual people in different ways. The following are some of the side effects that are known to be associated with this medicine. Just because a side effect is stated here does not mean that all people using this medicine will experience that or any side effect.

  • Constipation.
  • Increase in the level of calcium in the blood (hypercalcaemia).
  • Increase in the amount of stomach acid produced.

The side effects listed above may not include all of the side effects reported by the medicine's manufacturer.

For more information about any other possible risks associated with this medicine, please read the information provided with the medicine or consult your doctor or pharmacist.

How can Rennie affect other medicines?

Antacids such as this one can affect the absorption of other medicines from the gut, which may make the other medicines less effective. If you are taking any other medicines, you should check with your doctor or pharmacist before taking this antacid. In general, any interactions can be avoided by leaving an interval of about two hours between taking this medicine and any other medicine. This is particularly important for the following medicines:

  • ciprofloxacin
  • iron preparations
  • tetracycline-type antibiotics, eg doxycycline, minocycline, tetracycline


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Delivery Information

Standard Delivery (2 to 5 Working Days) Royal Mail - 2.95*

Orders dispatched using Standard Delivery can take between 2 to 5 working days to arrive.

Standard Delivery orders are dispatched using the Royal Mail Tracked Service.

This is a priority service with a tracking number so you can follow the progress of you order on its journey to you. You will be required to sign for the parcel so please ensure that you are available at you delivery address between 9am and 5pm on your expected delivery day. (see Tracking My order)

*Standard Delivery is FREE for orders over £50.

*For orders of less than 50 there will be a delivery charge of 2.95

Next Day Delivery (Next Working Day)* Starting at 6.95

This is our express delivery option and orders placed before 2pm Monday to Friday will be dispatched on the same day using Royal Mail Next day service, for a guaranteed Next Working Day Delivery.

This service has a tracking number for your parcel so you can follow the progress of your order on its journey to you (see Tracking My Order). You will be required to sign for the parcel so please ensure that you are available at your delivery address between 9am and 5pm on you expected delivery day.          

Delivery Terms and Conditions

If your order is returned to us by Royal Mail because either you have failed to collect or re-arrange delivery for you item or you have provided us with an inaccurate delivery address, a handling charge of £2.95 may be payable.

Next Day Delivery Prices

 Weight (KG) Price
 0.00 - 0.50 6.95
 0.50 - 1.00 8.95
 1.00 - 2.00 12.95
 2.00 - 10.00 39.95

Order Tracking

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