 1. Requiring medication for any ailment including enzyme-modifying drugs Use of any drugs known to induce or inhibit hepatic drug metabolism e.g.s, inducers: barbiturates, carbamazepine, phenytoin, glucocorticoids, omeprazole; inhibitors: SSRIs, cimetidine, diltiazem, macrolides, imidazoles, neuroleptics, verapamil, fluoroquinolones, antihistamines within 30 days prior to administration of the study medication. 