Known interactions between the following drugs: Mycobutin, Tarceva

1 interaction was found for the drugs you selected.

ERLOTINIB in Tarceva may interact with RIFABUTIN in Mycobutin
Rifabutin may increase the breakdown of erlotinib resulting in less erlotinib in the blood and reduced effectiveness. Discuss this potential interaction with your healthcare provider at your next appointment, or sooner if you think you are having problems.

This interaction is poorly documented and is considered moderate in severity.

(Note: Not all drug interactions are known or reported in the literature, and new drug interactions are continually being reported. This information is provided only for your education and for you to discuss with your personal healthcare provider.)

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