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Rennie Spearmint contains glucose, sucrose and sodium – patient leaflet, side effects, dosage

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Patient leaflet - Rennie Spearmint

1. What Rennie Spearmint is and what it is used for 2. What you need to know before you take Rennie

Spearmint

  1. 3. How to take Rennie Spearmint
  2. 4. Possible side effects
  3. 5. How to store Rennie Spearmint
  4. 6. Contents of the pack and information
  5. 1.

    WHAT RENNIE® SPEARMINT IS AND WHAT IT

    IS USED FOR

Rennie Spearmint fast-acting tablets get to work within minutes to provide effective relief from heartburn, indigestion and acid reflux.

Each tablet contains two antacids - calcium carbonate and magnesium carbonate - that work quickly and powerfully to neutralise excess acid in the stomach.

2. WHAT YOU NEED TO KNOW BEFORE YOU TAKE RENNIE® SPEARMINT

Do not take Rennie Spearmint if you:

  • Have severe kidney disease.
  • Have high calcium in the urine or kidney stones. • Have high calcium or low phosphate levels in the

    blood.

  • Are allergic (hypersensitive) to any of the

    ingredients (listed in Section 6).

Warnings and precautions:

Do not exceed the stated dose.

Rennie Spearmint should not be used for more

than 14 days without consulting a doctor. Please consult your doctor or pharmacist if you have mild or moderate kidney problems as regular blood tests should be carried out.

Other medicines and Rennie Spearmint:

  • Please tell your doctor or pharmacist if you are

    taking or have recently taken any other medicines, including medicines obtained without a prescription. • If you are taking any of the following medicines

    speak to your doctor or pharmacist before taking Rennie Spearmint because it can affect how these medicines work.

    • Tetracyclines and quinolones (antibiotics) - Bisphosphonates (used for the treatment of

      osteoporosis)

    • Dolutegravir (an anti-retroviral medicine used

      for the treatment of HIV infection) - Levothyroxine (a thyroid hormone) - Eltrombopag (used to increase the number of

      platelets)

    • Digoxin (used for some heart conditions) - Thiazide diuretics (water tablets to treat fluid

      retention and high blood pressure) - Fluorides (for preventing dental caries) - Phosphates (for clearing the bowel before a

      surgical procedure)

    • Iron supplements
  • To maximise the benefit of all medicines being

    used, take Rennie Spearmint at least 4 hours before or after taking eltrombopag and 1 to 2 hours after taking any other medicines.

Taking Rennie Spearmint with food and drink

Avoid taking Rennie Spearmint with large amounts of milk or dairy products.

Pregnancy and breastfeeding:

Rennie Spearmint can be used during pregnancy and breastfeeding if taken as instructed. As Rennie Spearmint provides a substantial amount of calcium in addition to dietary calcium intake, pregnant women should strictly limit their use of Rennie Spearmint to the maximum recommended daily dose and avoid concomitant, excessive intake of milk (1 litre contains up to 1.2 g elemental calcium) and dairy products.

Rennie Spearmint contains glucose, sucrose and sodium

This product contains sucrose (250mg) and glucose (250mg). If you have been told by your doctor that you have an intolerance to some sugars, contact your doctor before taking this medicinal product. May be harmful to teeth. This medicine contains less than 1 mmol sodium (23 mg) per tablet, that is to say it is essentially ‘sodium-free’.

3. HOW TO TAKE RENNIE® SPEARMINT

Adults and children over 12 years only: 2 tablets to be sucked or chewed, as required, preferably 1 hour after meals and before bedtime. For heartburn an extra 2 tablets may be taken between these times. Do not take more than 10 tablets a day.

Children under 12 years: Not recommended.

If symptoms persist after 14 days consult your pharmacist or doctor. Prolonged use should be avoided.

If you take more Rennie Spearmint than you should:

Drink plenty of water and consult your doctor or pharmacist. Symptoms of an overdose include nausea and vomiting, tiredness, constipation and muscular weakness.

If you have any questions on the use of this product, ask your doctor or pharmacist.

4. POSSIBLE SIDE EFFECTS

Like all medicines, this medicine can cause side effects, although not everybody gets them. Side effects are unlikely at the recommended dose. If you experience the following side effects stop treatment immediately and seek medical advice.

Rarely allergic reactions to ingredients have been reported, e.g. rashes, itching, difficulty in breathing and swelling of the face, mouth or throat and anaphylactic shock (anaphylactic shock is a severe sudden allergic reaction, symptoms of which are low blood pressure, shock, palpitations, difficulty in breathing, bronchospasm, skin reactions, abdominal pain or cramps, vomiting and diarrhoea).

Long term use of high doses can cause high blood levels of calcium and magnesium, especially in people with kidney conditions. Symptoms of this may include nausea, vomiting, upset stomach, constipation, diarrhoea, tiredness, muscular weakness, headache, kidney problems and impaired

sense of taste. In exceptional cases, long term use of high doses can lead to milk alkali syndrome, which can cause high blood levels of calcium.

Reporting of side effects:

If you get any side effects, talk to your doctor, pharmacist or nurse. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Yellow Card Scheme at: www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play or Apple App Store.

By reporting side effects you can help provide more information on the safety of this medicine.

5. HOW TO STORE RENNIE® SPEARMINT

Keep this medicine out of the sight and reach of children. Store below 25°C and keep in the original pack. Do not use this medicine after the expiry date which is stated on the carton and blister. The expiry date refers to the last day of that month.

Do not throw away any medicines via waste water or household waste. Ask your pharmacist how to throw away medicines you no longer use. These measures will help protect the environment.

6. CONTENTS OF THE PACK AND OTHER INFORMATION

What Rennie Spearmint contains:

The active substances are: calcium carbonate 680mg and heavy magnesium carbonate 80mg.

The other ingredients are sucrose, glucose, spearmint flavour, talc, povidone, saccharin sodium, magnesium stearate.

What Rennie Spearmint looks like and contents of the pack:

Rennie Spearmint are cream white square tablets, engraved "RENNIE" on both faces.

Rennie Spearmint are available in packs of 12, 24, 36, 48, 72, 96, 120 tablets. Not all pack sizes may be marketed.

Marketing Authorisation Holder and Manufacturer:

Marketing Authorisation Holder: Bayer plc, 400 South Oak Way, Reading, RG2 6AD, UK. consumerhealthuk@bayer.com

Manufacturer: Delpharm Gaillard, 74240 Gaillard, France.

This leaflet was last revised in: January 2021 Calcium Carbonate, Magnesium Carbonate

SPEARMINT

000000

SB768 B - Notice Bobine Dimensions : 210 x 170 mm

170 mm

Bayer Ref No:

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Barcode 1 Type:

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Barcode 2 Type:

Barcode 2 Mag:

PIL 170X210 [SB768B]

Delpharm Gaillard France [FR] White Paper

Rennie

Chew Tablets

Spearmint

Leaflet

UK

24/36/48/72/96 Pack

APPROVAL PANEL

Action:

Country Approval:

Action:

BAY451374

Main Text (body copy):

Height (based on lower case x):

10 pt

DELPHARM GAILLARD

TRYPTIC NUMBER:

N/A

About this document

Source: MHRA - Medicines and Healthcare products Regulatory Agency (products.mhra.gov.uk)

Last revision stated in the text: January 2021

What the sections and the side effect frequencies mean: How to read a patient leaflet

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The information on this site does not replace the advice of a doctor or pharmacist.

Facts about Rennie Spearmint

What these facts mean

Active substances? Calcium carbonate, Magnesium carbonate
Pharmaceutical form? A square cream white tablet with rounded corners, bevelled edges and concave faces, engraved ‘Rennie’ on both sides.
Shelf life? 3 years
Storage Store below 25 °C. Store in the original package.
Drug group (ATC)?
  1. A Alimentary tract and metabolism drugs
    1. A02 Drugs for acid related disorders
      1. A02A Antacids
        1. A02AD Antacids containing combinations and complexes of aluminium, calcium and magnesium compounds
          1. A02AD01 ordinary salt combinations
Marketing authorisation? PL 00010/0361 (first authorised 1 July 2005)
Marketing authorisation holder? Bayer plc

Sources: the MHRA product information (products.mhra.gov.uk) and the NHS Dictionary of Medicines and Devices (dm+d), release 11.1.0 of 9 November 2026, NHS Business Services Authority. Contains public sector information licensed under the Open Government Licence v3.0.