Drug Day before Day of During After Substitute surgery surgery surgery surgery drug if needed Phenytoin Usual dose Usual dose on IV phenytoin Continue morning of IV dose surgery with until sip of water medication can be taken PO Phenobarbital Usual dose Usual dose on IV Continue morning of phenobarbital IV dose surgery with until sip of wate medication can be taken PO Phenobarbital Usual dose Usual dose on IV Continue morning of phenobarbital IV dose surgery with until sip of wate medication can be taken PO Carbamazapine PO loading PO phenytoin IV phenytoin Continue phenytoin or dose of or or IV IV dose phenobarbital phenytoin or phenobarbital phenobarbital until phenobarbital medication can be taken PO Valproic acid PO loading PO phenytoin PO phenytoin Continue phenytoin or dose of or or IV dose phenobarbital phenytoin or phenobarbital phenobarbital until phenobarbital medication can be taken P Table III : Perioperative drug management for patients with epilpsey.
Substitute drug if needed After surgery During surgery Day of surgery Day before surgery Drug Continue IV dose until medication can be taken PO IV phenytoin Usual dose on morning of surgery with sip of water Usual dose Phenytoin Continue IV dose until medication can be taken PO IV phenobarbital Usual dose on morning of surgery with sip of wate Usual dose Phenobarbital Continue IV dose until medication can be taken PO IV phenobarbital Usual dose on morning of surgery with sip of wate Usual dose Phenobarbital phenytoin or phenobarbital Continue IV dose until medication can be taken PO IV phenytoin or IV phenobarbital PO phenytoin or phenobarbital PO loading dose of phenytoin or phenobarbital Carbamazapine phenytoin or phenobarbital Continue IV dose until medication can be taken P PO phenytoin or phenobarbital PO phenytoin or phenobarbital PO loading dose of phenytoin or phenobarbital Valproic acid Table III : Perioperative drug management for patients with epilpsey.
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