What is rifampin? How does it interact with other drugs?

Vitamin D

Effect: Supplementation Possibly Helpful

Rifampin, used with the antibiotic drug isoniazid in treating tuberculosis, might interfere with the metabolism of vitamin D. Although it is not clear whether this interaction actually causes vitamin D deficiency, one should be sure to consume adequate amounts of vitamin D on general principle.

Bibliography

Bueno-Sánchez, J. G., et al. “Anti-tubercular Activity of Eleven Aromatic and Medicinal Plants Occurring in Colombia.” Biomedica 29, no. 1 (2009): 51-60.

Lalloo, U. G., and A. Ambaram. “New Antituberculous Drugs in Development.” Current HIV/AIDS Reports 7, no. 3 (2010): 143-151.