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  • Overview


Information specific to: Calcichew.

About Calcichew and how it works

This medicine is a calcium supplement and contains the calcium salt, calcium carbonate. It helps correct low levels of calcium in the body when dietary intake is poor or the body requires higher than normal levels of calcium. It is also used in managing certain conditions such as osteoporosis, and as a phosphate binder in people who have high levels of phosphates in their blood and are undergoing kidney dialysis.

This medicine is available as tablets that have to be chewed or sucked slowly before swallowing. You should take them just before, during or immediately after a meal.

You should not take this medicine to treat a condition that has not been diagnosed by a healthcare professional.

Consult your doctor if your symptoms do not improve or if they get worse during treatment with this medicine.

Before using Calcichew

This medicine may not be suitable for everyone and some people must never take it. Check the leaflet that comes with your medicine to make sure that the medicine is suitable before taking it.

Always get advice from a healthcare professional before taking this medicine if:

  • you are allergic or sensitive to or have had a reaction to any of the ingredients in the medicine
  • you have kidney problems
  • you have or have a history of kidney stones
  • you have high levels of calcium in your blood or kidneys which could be due to: vitamin D poisoning, you have kidney problems and are not undergoing dialysis, have certain conditions such as hyperparathyroidism or tumours of the bones
  • your osteoporosis is caused by being immobile
  • you have fructose intolerance
  • you have glucose-galactose malabsorption
  • you have sucrase-isomaltase insufficiency
  • you have phenylketonuria
  • you are taking calcium and vitamin D supplements

Medicines interactions

If you are taking more than one medicine they may interact with each other. Before taking this medicine consult your doctor or pharmacist if you are taking or have recently taken any other medicines including vitamins, supplements and herbal or complementary preparations.

The following medicines may interact with this medicine:

  • tetracyclines - you should take tetracyclines either two hours before or four to six hours after taking this medicine
  • bisphosphonates or sodium fluoride - you should take bisphosphonates or sodium fluoride at least three hours before taking this medicine
  • levothyroxine - you should take levothyroxine and this medicine at least four hours apart
  • quinolone antibiotics - you should take these antibiotics either two hours before or two hours after taking this medicine
  • thiazide diuretics
  • corticosteroids
  • cardiac glycosides
  • vitamin D

Possible side effects of Calcichew

Most medicines can cause some side-effects but not everyone taking the same medicine will get the same side-effects.

The following side-effects have been associated with people taking this medicine:

  • abnormally high levels of calcium in your blood or urine
  • milk-alkali syndrome - this can happen if you take large doses of this medicine or take this medicine as well as preparations or foods that are high in vitamin D or calcium such as milk. Symptoms may include frequent urge to urinate, continuing headache, continuing loss of appetite, nausea or vomiting, unusual tiredness or weakness and kidney problems
  • constipation
  • indigestion
  • nausea
  • flatulence
  • stomach pain
  • diarrhoea
  • itching
  • rash
  • urticaria

If you experience other side effects or have any other worrying symptoms while you are taking this medicine, seek medical advice.

Pregnancy and breast-feeding

This medicine is not known to cause any problems during pregnancy or while breast-feeding. However, you should only take this medicine on advice from your doctor if you are pregnant or are breast-feeding.

Other important information

Make sure that you read the leaflet that comes with your medicine to check what dose you should take and if there is anything that you need to do if you take more than the recommended dose. If you are in any doubt about whether this medicine is suitable for you, speak to your doctor or pharmacist.

You must seek medical advice from your doctor or a health nutritionist if you have a calcium rich diet, or are taking vitamin D or calcium-containing preparations. This is because high levels of calcium in the body can lead to kidney problems or the milk-alkali syndrome.

There are certain foods that may prevent the body from absorbing calcium and form insoluble calcium salts. These include oxalic acid which is found in spinach and rhubarb, and phytic acid found in whole-grain cereals. You should not take this medicine within two hours of eating foods high in oxalic acid and phytic acid.

This medicine is available in orange flavour and in different strengths.

Keep the container tightly closed to protect from moisture.

Keep all medicines out of the sight and reach of children.

Content provided by Datapharm

Printable guides available for this medicine: