Enzyme inducers
Enzyme inducers (decrease level of important drug in body) — PC BRAS
Phenytoin, Carbamazepine
Barbiturates, Rifampicin, Alcohol (chronic excess), Sulphonylureas
Enzyme inhibitors
Enzyme inhibitors (increase level of important drug in body) --- AO DEVICES Allopurinol, Omeprazole Disulfiram, Erythromycin, Valproate, Isonazid , Ciprofloxacin, Ethanol (acute intoxication), Sulphonamides