O-Tetra Tetracycline Hydrochloride Calcium Lactate Gluconate + Calcium Carbonate + Vitamin C contains Calcium Carbonate
ModerateCalcium Carbonate can reduce how well tetracycline is absorbed when the two are taken together, and in chronic kidney failure, when Calcium Carbonate is used as the main phosphate binder, vitamin D treatment may need adjusting to avoid high blood calcium.
These medicines are often taken together with some care. Your doctor may change a dose, space them apart or check on you more often. Make sure your doctor and pharmacist know you take both.