Several drugs interact with<unk>  to increase its levels in the body. CYP3A inhibitors, by nature of inhibiting the enzyme that metabolizes<unk> , CYP3A4, are one such class of drugs. Others include the calcium-channel blocker diltiazem, the antibiotic clarithromycin, and possibly some antifungals.<unk>  causes several drugs to increase in levels, including cyclosporine, simvastatin, and tacrolimus (the increase in the last one being more likely in people with CYP3A5*3 genetic polymorphisms). When more than 20 mg of simvastatin, a lipid-lowering agent, are given with<unk> , the risk of myopathy increases. Giving<unk>  with Viagra increases the risk of hypotension.
Amlodipine
Cyclothiazide
Chlorothiazide
Felodipine
Hydrochlorothiazide
Telmisartan
Spironolactone
Olmesartan