calcium carbonate, Caltrate 600, Os-Cal 500, Tums Extra, Tums Chewy Delight, and Many Others

  • Pharmacy Author:
    Omudhome Ogbru, PharmD

    Dr. Ogbru received his Doctorate in Pharmacy from the University of the Pacific School of Pharmacy in 1995. He completed a Pharmacy Practice Residency at the University of Arizona/University Medical Center in 1996. He was a Professor of Pharmacy Practice and a Regional Clerkship Coordinator for the University of the Pacific School of Pharmacy from 1996-99.

  • Medical and Pharmacy Editor: Jay W. Marks, MD
    Jay W. Marks, MD

    Jay W. Marks, MD

    Jay W. Marks, MD, is a board-certified internist and gastroenterologist. He graduated from Yale University School of Medicine and trained in internal medicine and gastroenterology at UCLA/Cedars-Sinai Medical Center in Los Angeles.

GENERIC NAME: calcium carbonate

BRAND NAME: Caltrate 600, Os-Cal 500, Tums Extra, Tums Chewy Delight, and Many Other Brands and Generics

PRESCRIPTION: no

GENERIC AVAILABLE: yes

PRESCRIBED FOR: Calcium-containing products are used as part of a regimen for preventing and treating osteoporosis in individuals with low levels of calcium in their diets. Calcium carbonate is also used as an antacid for treating minor stomach upset.

SIDE EFFECTS: Calcium products rarely cause an upset stomach. Common side effects owing to excessive intake and increased levels of calcium in the blood (hypercalcemia) include:

Other side effect due to severe hypercalcemia may include:

Calcium supplements cause rebound stomach acidity.

DOSAGE:

  • The usual recommended dose of calcium replacement is 1 to 1.2 g given daily in 2 or 4 divided doses with meals.
  • The dose for use as an antacid is 2 to 4 tablets per 24 hours not to exceed 7 g a day.
Medically Reviewed by a Doctor on 10/25/2016

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