“…Alprazolam, amiodarone, amlodipine, atorvastatin, bicalutamide, cilostazol, cimetidine, cyclosporine, fluoxetine, fluvoxamine, ginkgo, § isoniazid, nilotinib, oral contraceptives, ranitidine, ranolazine, tipranavir/ritonavir, zileuton Amprenavir, aprepitant, armodafinil, echinacea, § pioglitazone, prednisone, rufinamide 116 Randomized, double-blind, placebo-controlled trials showed no beneficial effects of unrefined echinacea or echinacea capsules on symptoms of common cold or rhinovirus infection compared to placebo. 117,118 Echinacea use has been reported to cause side effects such as nausea, dizziness and gastrointestinal upset.…”