Calcium and Minocycline: Can You Take Them Together?

Here's what FDA drug labeling and NIH supplement data show.

MODERATE

Interaction Found

What happens: Calcium binds tetracyclines in the gut, reducing antibiotic absorption by up to 50%.

What to do: Separate doses by at least 2 hours.

Source: FDA-approved drug labeling and NIH Office of Dietary Supplements fact sheets.

Learn more

Minocycline — full safety profile, side effects, and all known interactions.

Calcium — supplement labels containing this ingredient.

Frequently asked questions

Can I take Calcium with Minocycline?

Separate doses by at least 2 hours.

What happens if you take Calcium and Minocycline together?

Calcium binds tetracyclines in the gut, reducing antibiotic absorption by up to 50%.

What should I do if I take both?

Separate doses by at least 2 hours. Always consult your healthcare provider before combining supplements and medications.

SafeCheck provides drug interaction information from FDA-approved product labeling (openFDA). This is for informational purposes only and is not medical advice. Always consult your healthcare provider before making medication decisions.