Calcium carbonate

Definition

Calcium carbonate is a chemical compound commonly used as a calcium supplement and antacid. It helps in neutralizing stomach acid and providing essential calcium for bone health.

5 Must Know Facts For Your Next Test

1. Calcium carbonate is often prescribed to prevent or treat low blood calcium levels in patients with conditions like osteoporosis or hypoparathyroidism.
2. It acts as an antacid by neutralizing hydrochloric acid in the stomach, providing relief from indigestion and heartburn.
3. Excessive intake of calcium carbonate can lead to hypercalcemia, which may cause symptoms such as nausea, vomiting, confusion, and kidney stones.
4. For optimal absorption, it should be taken with food since stomach acid produced during meals increases its solubility.
5. Calcium carbonate interacts with certain medications like bisphosphonates and tetracycline antibiotics, reducing their efficacy when taken together.

Review Questions

• What are the primary uses of calcium carbonate in clinical practice?
• How does calcium carbonate act as an antacid?
• What precautions should be taken to avoid hypercalcemia when using calcium carbonate?

Related terms

Vitamin D:

A fat-soluble vitamin crucial for the absorption of calcium from the gastrointestinal tract.

Bisphosphonates:

A class of drugs that prevent the loss of bone density by inhibiting osteoclast-mediated bone resorption.

Antacids:

Medications that neutralize stomach acidity to relieve heartburn and indigestion symptoms.