Inducers = PC BRAS
Increase enzyme activity therefore decrease drug concentration.
Phenytoin
Carbamazepine
Barbiturates
Rifampicin
Alcohol (chronic use)
Sulfonylureas
Inhibitors = A O DEVICES
Decreases enzyme activity therefore increases drug concentration.
Allopurinol
Omeprazole
Disulfiram
Erythromycin
Valproate
Isoniazid
Ciprofloxacin
Ethanol (acute)
Sulfonamides