คำอธิบาย
Phenytoin significantly reduces sertraline plasma concentrations via CYP enzyme induction, potentially causing antidepressant treatment failure.
กลไก
Phenytoin is a potent inducer of CYP2C19 and CYP3A4, the primary enzymes involved in sertraline metabolism, resulting in markedly increased clearance.
ความสำคัญทางคลินิก
Sertraline AUC may be reduced by more than 50%; clinical depression relapse is a realistic risk with inadequate antidepressant levels.
การจัดการ
Monitor antidepressant efficacy; sertraline dose escalation is likely needed; consider alternative AED without CYP-inducing properties.
ข้อจำกัดความรับผิดชอบทางการแพทย์
This content is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making medication decisions.