Drug interactions with efavirenz oral and ergotamine-caffeine oral

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):

ergotamine-caffeine oral brand names and other generic formulations include:

Cafatine Oral, Cafergot Oral, Cafermine Oral, Caffer-Tab Oral, Ercaf Oral, Ercatab Oral, Ergotamine Tartrate W/Caffeine Oral, Gotamine Oral, Lanatrate Oral, Wigraine Oral

All generic drug interactions for ergotamine-caffeine oral (lists will include brand and generic names):
ContraindicatedNever use this combination of drugs because of high risk for dangerous interaction

efavirenz oral and ergotamine-caffeine oral

efavirenz oral increases levels of ergotamine-caffeine oral by slowing drug metabolism. Combination may cause vascular changes (vasospasm and ischemia).

Patient Drug Interactions Source: RxList
© 2014 RxList, Inc.
ContraindicatedNever use combination.

efavirenz oral and ergotamine-caffeine oral

efavirenz oral increases levels of ergotamine-caffeine oral by decreasing metabolism. Competitive inhibition of CYP3A4 might lead to vasospasm and ischemia.

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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