Phenobarbital (PB) and dexamethasone (DEX) are P450 inducers while troleandomycin (TAO) can inhibit P4503A activity.

• 苯巴比妥(phenobarbital，PB)是P4502B、P4502C和3A的强诱导剂； 而地塞米松(dexamethasone，DEX)和三乙酰竹桃霉素(troleandomycin，TAO)则分别是P4503A的强诱导剂和抑制剂。