This medicine is available without prescription, however, you still need to use this product carefully to get the best results from it. Keep this leaflet as you may need to read it again. Ask your pharmacist if you need more information or advice.

• are allergic to calcium carbonate or any of the other ingredients
• have kidney problems, including kidney stones or a history of kidney stones
• have an overactive parathyroid gland
• have heart problems and are taking cardiac glycosides (e.g. digoxin)
• are on a low phosphate diet
• have been told by your doctor that you have high levels of calcium or low levels of phosphate in your blood
• have Zollinger-Ellison syndrome (a tumour in the stomach that causes excess acid production)
• are under 12 years of age
• have been told by your doctor that you have high levels of calcium in your urine.

• are pregnant
• are elderly
• have diabetes
• have an intolerance to some sugars.

• tetracycline or quinolone antibiotics (e.g. sumycin and tetracyn)
• are taking any heart medicines (especially digoxin) or beta-blockers (e.g atenolol, metoprolol and propranolol), which can also be used to treat high blood pressure
• bisphosphonates, a group of medicines used to treat bone diseases (e.g.etidronate and pamidronate)
• thiazide diuretics, sometimes called water tablets, which are medicines used to treat high blood pressure and fluid retention (e.g. chlortalidone and metolazone)
• ketoconazole, used to treat fungal infections
• drugs used for the treatment of schizophrenia and bipolar disorder
• drugs used to treat rheumatoid arthritis and metabolic disorders (e.g penicillamine)
• drugs used to treat stomach ulcers and acid reflux (e.g cimetidine and ranitidine)
• chloroquine, used to treat malaria
• glucocorticoids, used to treat allergic, inflammatory and autoimmune disorders
• oral iron medicines used to treat anaemia
• thyroxine, used to treat an underactive thyroid gland.

Each tablet contains 615 mg of sucrose. If you have been told by your doctor that you have an intolerance to some sugars, contact your doctor before taking this medicinal product. This should be taken into account in patients with diabetes. May be harmful to the teeth.

This medicine contains less than 1 mmol sodium (23 mg) per 2 tablets, that is to say essentially ‘sodium-free’.

1 or 2 tablets, as required. Do not take more than 16 tablets in any 24 hour period.

Do not give to children under 12 years.

Do not take more medicine than the label tells you to. If your symptoms persist for more than 7 days or worsen, you must see a doctor or pharmacist.

If you take too many tablets by mistake, contact your doctor or pharmacist straight away.

• allergic reactions, such as skin rash, peeling of the skin, itching, swollen red areas of the skin, sometimes with shortness of breath or swelling of the mouth, lips, tongue, throat or face
• constipation, diarrhoea, stomach pain, belching, and passing wind (flatulence)
• fatigue, confusion, poor appetite, feeling sick or being sick as these may be signs of changes in the amount of calcium and the pH (measure of acidity or alkalinity) of your blood (this is only seen after regular use)
• muscle weakness
• heartburn (acid rebound), this is most likely to occur when you stop taking this type of medicine

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.