Drug interactions with efavirenz oral and fosphenytoin inj

efavirenz oral brand names and other generic formulations include:

Sustiva Oral

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

fosphenytoin inj brand names and other generic formulations include:

Cerebyx Inj

All generic drug interactions for fosphenytoin inj (lists will include brand and generic names):
Serious - Use AlternativePotential for serious interaction; regular monitoring by your doctor required or alternate medication may be needed

efavirenz oral and fosphenytoin inj

efavirenz oral will increase the level or effect of fosphenytoin inj by altering drug metabolism.

Patient Drug Interactions Source: RxList
© 2014 RxList, Inc.
Serious - Use AlternativePossible serious or life-threatening interaction. Monitor closely. Use alternatives if available.

efavirenz oral and fosphenytoin inj

efavirenz oral will increase the level or effect of fosphenytoin inj by affecting hepatic enzyme CYP2C9/10 metabolism.

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

fosphenytoin inj and efavirenz oral

fosphenytoin inj will decrease the level or effect of efavirenz oral by altering drug metabolism.

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

fosphenytoin inj and efavirenz oral

fosphenytoin inj will decrease the level or effect of efavirenz oral by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

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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