Cilnidipine is mainly metabolized by drug metabolizing enzymes CYP3A4 and CYP2C19.
Laboratory interactions: False elevated spectrophotometric values of urinary vanillylmandelic acid may occur.
Cilnidipine may interact with other antihypertensive agents, aldesleukin, and antipsychotics which may cause hypotension. It may modify insulin and glucose responses. Interactions may occur with quinidine, carbamazepine, phenytoin, rifampicin, cimetidine, and erythromycin. (See Table 4.)
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