procainamide

商品名(trade name)
藥理作用(Pharmacological Effects)	[more stable and less central action than quinidine [heart: like quinidine [ANS: M receptor block is weak and no alpha receptor inhibition
用量與用法(Dosage and Usage)	usage ]per os, IM, IV (prn) Pharmacokinetics ]Well absorbed ]20 % plasma protein binding, ]t1/2=5~8 hours
適應症(Indications)	{like quinidine
副作用(Side effect)	}predominant lupus like syndrome: slow acetylator, accumulate too much drug in body and cannot be metabolic by liver }G-I disturbance: less common than quinidine }Cardiotoxicity: can produce paradoxical ventricular tachycardia (Torsade de pointes) }lupus like syndrome
禁忌/交互作用(Contraindications / interaction)

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