Diltiazem Hydrochloride + Ranolazine Interaction
Moderateinteraction on record
Description
Increased exposure of ranolazine due to CYP3A4 inhibition. Limit ranolazine to 500 mg twice daily.
Mechanism
Diltiazem inhibits CYP3A4 metabolism of ranolazine
Source: NLP:diltiazem hydrochloride