📋 Indications & Clinical Dosage
*Hypocalcaemia, chronic calcium deficiency, rickets, osteomalacia, osteoporosis, adjunct in the treatment of severe hyperkalaemia, lead poisoning, fluoride poisoning:*
BY SLOW IV OR DEEP IM INJ: Adults: 10 ml 1-3 times daily.
BY SLOW IV INJ: Children: 5-10 ml a day by slow IV route only.
*Prevention of pre- and postmenopausal bone demineralization, osteoporosis, allergic conditions, latent tetany, rickets and os-teomalacia, increased calcium demand in growing Children, pregnancy and lactation:*
Syp: Adults: 45 ml (3 tablespoonful) daily in divided doses, increase up to 75 ml daily. Children 3 ysr: 10-25ml (2-5 tsp) daily in divided doses. 4-12 yr: 30-45 ml (2-3 tablespoonful) daily in divided doses. Fast-growing children may need adult dose.
Tab: Adults: 1effervescent tab daily.
Children 3-7 yrs: 1/2 effervescent tab daily
⛔ Contraindications
Hypercalcaemia, hypercalciuria, severe renal failure, renal calculi, galactosaemia.
⚠️ Precautions & Warnings
Renal impairment, electrolyte imbalance, use syrup in preference to tab. Monitor blood and urinary calcium levels.
🔄 Drug Interactions
Cardiac glycosides (inj only), thiazides, tetracy clines, fluoride, calcium channel blockers, vit D.
⚠️ Adverse Reactions / Side Effects
Diarrhoea. Nausea, flushes, hypotension if IV inj too rapid.
📚 Official Regulatory & Clinical References
- Drug Regulatory Authority of Pakistan (DRAP): Drug Registration, S.R.O. Price Gazettes & National Essential Medicines List (NEML).
- World Health Organization (WHO): Collaborating Centre for Drug Statistics Methodology (ATC/DDD Index).
- Formulary Standards: British National Formulary (BNF) & Pakistan National Formulary (PNF) guidelines.