Drug interactions with phenytoin oral and tolbutamide oral

phenytoin oral brand names and other generic formulations include:

Dilantin Infatabs Oral, Dilantin-125 Oral, Lorantoin Oral

All generic drug interactions for phenytoin oral (lists will include brand and generic names):

tolbutamide oral brand names and other generic formulations include:

Icn-Tolam Oral, Oribetic Oral, Orinase Oral

All generic drug interactions for tolbutamide oral (lists will include brand and generic names):
MinorInteraction is unlikely, minor, or nonsignificant

phenytoin oral and tolbutamide oral

phenytoin oral decreases effects of tolbutamide oral by opposing drug effects.

Patient Drug Interactions Source: RxList
© 2014 RxList, Inc.
MinorMinor or non-significant interaction.

phenytoin oral and tolbutamide oral

phenytoin oral decreases effects of tolbutamide oral by pharmacodynamic antagonism.

Clinical Drug Interactions Source: Medscape from WebMD
© 1994-2014 WebMD, LLC.
MinorInteraction is unlikely, minor, or nonsignificant

tolbutamide oral and phenytoin oral

tolbutamide oral increases levels of phenytoin oral by the drugs competing to be bound to protein and therefore possibly increasing the amount of the drugs in the blood.

Patient Drug Interactions Source: RxList
© 2014 RxList, Inc.
MinorMinor or non-significant interaction.

tolbutamide oral and phenytoin oral

tolbutamide oral increases levels of phenytoin oral by plasma protein binding competition.

Clinical Drug Interactions Source: Medscape from WebMD
© 1994-2014 WebMD, LLC.

Check for more interactions with the Drug Interaction Checker

Drug Interaction Categories

Contraindicated

Never use this combination of drugs because of high risk for dangerous interaction

Serious

Potential for serious interaction; regular monitoring by your doctor required or alternate medication may be needed

Significant

Potential for significant interaction (monitoring by your doctor is likely required)

Minor

Interaction is unlikely, minor, or nonsignificant

Disclaimer: The information contained herein should NOT be used as a substitute for the advice of an appropriately qualified and licensed physician or other health care provider. The information provided here is for informational purposes only. This tool may not cover all possible drug interactions. Please check with a physician if you have health questions or concerns. Although we attempt to provide accurate and up-to-date information, no guarantee is made to that effect.

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