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Same active ingredient — pay up to 28% less
These brands contain the same active ingredient (Calcium Lactate Gluconate + Calcium Carbonate + Vitamin C). Same strength and form. Confirm the switch with your doctor or pharmacist.
C-4
Rx1000 mg+327 mg • Effervescent Tablet
Indications & Uses
C-4 is indicated for:
Dosage Reference
Reference Information Only
Dosages shown are general references from official sources. Always consult your doctor or pharmacist for personalized dosing.
Adults:
Children 3 to 7 years: ½ effervescent tablet daily.Adults & children above 7 years: 1 effervescent tablet daily. Dissolve 1 tablet in a glass of water before consumption.
Side Effects
In rare cases, mild gastrointestinal disturbances (bloating, diarrhea) can occur. In predisposed patients, prolonged treatment with high doses may promote the formation of calculi in the urinary tract.
Cautions & Contraindications
Warnings & Precautions
For patients with mild hypercalciuria (exceeding 300 mg = 7.5 mmol/24 hours), with mild or moderate impairment of renal function or with a history of urinary concrements, monitoring of calcium excretion in the urine is required. If necessary, the dosage should be reduced or therapy should be discontinued. High doses of vitamin-D and derivatives should be avoided during treatment with Calcefer unless especially indicated.Since citrate salts have been reported to increase aluminium absorption, this medicine should be used with caution in patients with severely impaired renal function, especially those receiving aluminium-containing preparations. The sugar content should be taken into account by diabetic patients.
Contraindications
Hypercalcemia (e.g. in hyperparathyroidism, vitamin-D overdosage, decalcifying tumors such as plasmocytoma, bone metastases); severe hypercalciuria; severe renal failure.Patients with hyperoxalauria, glucose-6- phosphate dehydrogenase deficiency, or iron overload. Larger doses may lead to gastrointestinal tract upset.