If you're taking oral steroid drugs, never quit it abruptly. Ask your health care provider about tapering your dose. Zafirlukast is thoroughly hepatically metabolized by an enzyme identified as CYP2C9. Zafirlukast inhibits the action of CYP3A4, leading to drug-drug interactions with other medicines that are metabolized by CYP3A4. Genetic variations https://johnn999gsd3.tusblogos.com/profile