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Phenobarbital

苯巴比妥

Mechanism of action:

Phenobarbital 是一種巴比妥類(barbiturate)衍生物。Phenobarbital 能與 GABA_A 受體複合體的巴比妥類結合位點結合,延長氯離子通道的開放時間,增加 Cl⁻ 內流,使神經元超極化(hyperpolarization),可減緩神經興奮性,有鎮靜、放鬆,並影響與緊張性頭痛相關的中樞神經調節。

​Reference(s):

1. Kwan P et al. (2004). Phenobarbital for the treatment of epilepsy in the 21st century: a critical review. Epilepsia. 


2. Taylor S et al. (2001). Phenobarbitone versus phenytoin monotherapy for partial onset seizures and generalized onset tonic-clonic seizures. Cochrane Database Syst Rev.

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