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Warner Chilcott UK Limited

1 The Heights, Brooklands, Weybridge, KT13 0NY
Telephone: +44 (0)1932 82 9600
Fax: +44 (0)1932 82 1644
WWW: http://www.wcrx.com
Medical Information Direct Line: +44 (0)800 0328 701
Medical Information e-mail: medcomukir@wcrx.com
Medical Information Fax: +44 (0)1932 824 775

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Summary of Product Characteristics last updated on the eMC: 27/02/2013
SPC Cacit 500mg Effervescent tablets


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1. Name of the medicinal product

Cacit 500mg Effervescent Tablets


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2. Qualitative and quantitative composition

Each tablet contains 1.25g Calcium Carbonate which when dissolved in water provides 500mg of calcium as calcium citrate.


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3. Pharmaceutical form

Effervescent tablet

white-pink, round, biplane, faultless surface effervescent tablets


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4. Clinical particulars

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4.1 Therapeutic indications

1. Treatment of calcium deficiency states including osteomalacia, rickets and malabsorption syndromes affecting the upper gastrointestinal tract.

2. An adjunct to conventional therapy in the arrest or slowing down of bone demineralisation in osteoporosis.

3. In the arrest or slowing down of bone demineralisation in osteoporosis, where other effective treatment is contra-indicated.

4. As a therapeutic supplement during times when intake may be inadequate, particularly those associated with the increased demand of childhood, old age, pregnancy and lactation.


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4.2 Posology and method of administration

The tablets must be dissolved in a glass of water and the solution should then be drunk immediately after complete dissolution of the tablets.

Adults and the Elderly

For calcium deficiency states including malabsorption, the dosage should be tailored to the individual patient's needs. A dose of 1.0 g to 2.5g per day is recommended.

For the treatment of osteoporosis a dose of up to 1.5g per day is normally required. In patients with adequate dietary calcium intake, 500mg daily may be sufficient.

Up to 1.5g of calcium per day is the recommended dosage for therapeutic supplementation.

Children

For calcium deficiency states including malabsorption and rickets, the dosage recommendation under adult dosage should be followed.

For therapeutic supplementation, a dose of up to 1.0g per day is recommended.


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4.3 Contraindications

Hypercalcaemia (eg. due to hyperparathyroidism, hypervitaminosis D, decalcifying tumours, severe renal failure, bone metastases), severe hypercalciuria, calci-lithiasis and renal calculi. Long term immobilisation accompanied by hypercalciuria and/or hypercalcaemia. Hypersensitivity to any of the ingredients.


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4.4 Special warnings and precautions for use

In mild hypercalciuria (exceeding 7.5 mmol/24 hours in adults or 0.12-0.15 mmol/kg/24 hours in children) or renal failure, or where there is evidence of stone formation in the urinary tract; adequate checks must be kept on urinary calcium excretion. If necessary the dosage should be reduced or calcium therapy discontinued. The product should be administered with caution in patients with sarcoidosis because of possible increased metabolism of vitamin D to its active form. These patients should be monitored for serum and urinary calcium.


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4.5 Interaction with other medicinal products and other forms of interaction

Concomitant administration with vitamin D causes an increase in calcium absorption and plasma levels may continue to rise after stopping vitamin D therapy.

The effects of digoxin and other cardiac glycosides may be accentuated by calcium and toxicity may be produced, especially in combination with vitamin D.

Calcium salts reduce the absorption of some drugs, in particular tetracyclines. It is therefore recommended that administration of Cacit tablets be separated from these products by at least 3 hours.

Thiazide diuretics increase renal absorption of calcium, so the risk of hypercalcaemia should be considered.

Bisphosphonate, sodium fluoride: it is advisable to allow a two hour minimum period before taking Cacit (risk of reduction of the gastrointestinal absorption of bisphosphonate and sodium fluoride).


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4.6 Pregnancy and lactation

Calcium supplements have been in wide use for many years without apparent ill consequence.


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4.7 Effects on ability to drive and use machines

None


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4.8 Undesirable effects

Mild gastrointestinal disturbances have occurred rarely (eg. nausea, abdominal pain, diarrhoea, constipation, flatulence and eructation). Hypercalciuria and, in rare cases, hypercalcaemia in cases of long-term treatment with high doses.

Skin reactions, such as pruritis, rash, and urticaria (especially urticaria in patients with a past history of allergy) have been reported. The colouring agent E110 can cause allergic type reactions including asthma. Allergy is more common in those people who are allergic to aspirin


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4.9 Overdose

The amount of calcium absorbed will depend on the individuals calcium status. Deliberate overdosage is unlikely with effervescent preparations and acute overdosage has not been reported. It might cause gastrointestinal disturbance but would not be expected to cause hypercalcaemia, except in patients treated with excessive doses of vitamin D. Symptoms of overdose may include nausea, vomiting, polydipsia, polyuria and constipation. Treatment should be aimed at lowering serum calcium levels, eg. administration of oral phosphates and rehydration.

Chronic overdoses can lead to vascular and organ calcifications as a result of hypercalcaemia.


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5. Pharmacological properties

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5.1 Pharmacodynamic properties

Calcium is an essential element of tissues and plasma.


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5.2 Pharmacokinetic properties

When the tablets are added to water, insoluble calcium carbonate is converted into absorbable calcium citrate.


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5.3 Preclinical safety data

Not applicable


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6. Pharmaceutical particulars

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6.1 List of excipients

Citric acid,

Sodium saccharin

Sodium cyclamate

Sunset Yellow FCF (E110) and flavour


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6.2 Incompatibilities

None


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6.3 Shelf life

Three years.


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6.4 Special precautions for storage

Keep the tube tightly closed in order to protect from moisture


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6.5 Nature and contents of container

Supplied in boxes of 76 tablets (4 polypropylene tubes with polyethylene stoppers each containing 19 tablets).


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6.6 Special precautions for disposal and other handling

To be dissolved in water before administration as described in Section 4.2


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Administrative data

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7. Marketing authorisation holder

Warner Chilcott UK Limited

Old Belfast Road,

Millbrook,

Larne,

County Antrim,

BT40 2SH


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8. Marketing authorisation number(s)

PL 10947/0016


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9. Date of first authorisation/renewal of the authorisation

28/10/2005


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10. Date of revision of the text

25/01/2013



More information about this product

Link to this document from your website: http://www.medicines.org.uk/emc/medicine/3351/SPC/


Active Ingredients/Generics