1. Name Of The Medicinal Product
Crampex Tablets.
2. Qualitative And Quantitative Composition
Colecalciferol Ph.Eur. 0.02 mg
Calcium Gluconate Ph.Eur. 200 mg
Nicotinic Acid Ph.Eur. 20 mg
For excipients, see 6.1
3. Pharmaceutical Form
Tablet.
4. Clinical Particulars
4.1 Therapeutic Indications
For night muscle cramp.
4.2 Posology And Method Of Administration
Adults and the Elderly:
One or two tablets with plenty of fluid, preferably before retiring. Attacks of cramp usually occur in bouts which last from a few days to several weeks. Often there are several weeks between each series of attacks. In such cases, it is advisable to take Crampex Tablets at night for a period and then discontinue when the anticipated duration of the attack has passed.
Drink plenty of fluids whilst taking this product.
The product should be used for a maximum of 4 weeks for any one attack of night cramps.
Children:
Not recommended for use in children under 18 years.
4.3 Contraindications
Hypersensitivity to any of the ingredients.
Contraindicated for use in hypercalcaemia, for use in those with, or who have had kidney stones.
4.4 Special Warnings And Precautions For Use
Not recommended for use in children.
Consult a doctor if the tablets have not taken effect within a week of starting treatment.
Do not exceed the stated dose.
Keep all medicines out of the reach and sight of children.
Duration of treatment should be minimised in patients with impaired renal function.
Use with caution in patients with hypertension.
Use with caution in patients with a history of peptic ulcer disease, diabetes mellitus, gout, or impaired liver function.
4.5 Interaction With Other Medicinal Products And Other Forms Of Interaction
Use with caution in patients taking Digitalis.
4.6 Pregnancy And Lactation
There are no known effects with the use of this product during pregnancy and lactation. This product should be avoided in pregnancy or breast feeding.
4.7 Effects On Ability To Drive And Use Machines
None stated.
4.8 Undesirable Effects
Nicotinic acid may cause flushing, pruritus, dizziness, headache, nausea, vomiting and rarely impaired liver function. Calcium supplements may cause mild gastrointestinal disturbances.
Frequency of reports cannot be estimated from the available data.
4.9 Overdose
High doses of nicotinic acid may cause hyperpigmentation, abdominal cramps, diarrhoea, nausea and vomiting, anorexia, activation of peptic ulcer, jaundice, impairment of liver function, decrease in glucose tolerance, hyperglycaemia and hyperuricaemia. Excessive intake of calcium salts and vitamin D may lead to hypercalcaemia. Toxic effects should normally subside without treatment.
5. Pharmacological Properties
5.1 Pharmacodynamic Properties
A12A X-Calcium, combinations with other drugs.
Crampex Tablets contain three active ingredients, calcium gluconate, nicotinic acid and Colecalciferol. The inclusion of calcium gluconate is intended to correct any sub-clinical deficiency of calcium that may exist. The vitamin D status of the elderly may border on the deficient and as their vitamin D intake is often inadequate, Colecalciferol is contained in the formulation to ensure satisfactory calcium absorption. As it is possible that a poor peripheral circulation may be an aggravating factor in the induction of cramps, the formulation includes the vasodilator, nicotinic acid.
5.2 Pharmacokinetic Properties
None stated.
5.3 Preclinical Safety Data
None stated.
6. Pharmaceutical Particulars
6.1 List Of Excipients
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6.2 Incompatibilities
None Stated.
6.3 Shelf Life
Three years.
6.4 Special Precautions For Storage
No special precautions.
6.5 Nature And Contents Of Container
Blisters comprising 20µ Aluminium Foil with 240µ uPVC. The uPVC is principally clear amber but alternatively opaque white. The blisters are contained in printed cartons of 12, 24, 36 or 48 tablets.
6.6 Special Precautions For Disposal And Other Handling
None stated.
7. Marketing Authorisation Holder
Thornton & Ross Limited
Linthwaite
Huddersfield
West Yorkshire
HD7 5QH
United Kingdom
8. Marketing Authorisation Number(S)
PL 00240/0082
9. Date Of First Authorisation/Renewal Of The Authorisation
30/11/2005
10. Date Of Revision Of The Text
18/10/2011
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