Potential serious reactions w/ MAOIs. Inhibits metabolism of thioridazine. Risk of serotonergic-associated effects w/ serotonergic medicinal/herbal products (including L-tryptophan, triptans, tramadol, linezolid, SSRIs, SNRIs, lithium & St. John's wort prep). CNS-active medicinal products. Possible reduction of clearance w/ CYP2D6, CYP3A4 & flavin monooxygenase 1 inhibitors. Increased exposure w/ potent (eg ketoconazole, itraconazole, ritonavir, saquinavir, telithromycin, nefazodone, nelfinavir & atazanavir) & moderate (eg erythromycin, clarithromycin, fluconazole, amprenavir, fosamprenavir, aprepitant, verapamil, diltiazem) CYP3A4 inhibitors; potent CYP2D6 inhibitors. Possible reduced orthostatic tolerance w/ PDE-5 inhibitors & ?-adrenergic receptor antagonists. Increases plasma conc of desipramine & other drugs metabolized by CYP2D6. Decreases AUCinf of...
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