Drug interactions with atazanavir oral and tadalafil oral

atazanavir oral brand names and other generic formulations include:

Reyataz Oral

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

tadalafil oral brand names and other generic formulations include:

Adcirca Oral, Cialis Oral

All generic drug interactions for tadalafil oral (lists will include brand and generic names):
Serious - Use AlternativePotential for serious interaction; regular monitoring by your doctor required

atazanavir oral and tadalafil oral

atazanavir oral will increase the level or effect of tadalafil oral by altering drug metabolism. The effectiveness of tadalafil will increase; stop taking more than 24 hours before the protease inhibitor, restart 7 days after at 20 mg once daily, and increase to 40 mg once daily based upon how you tolerate the drug.

Patient Drug Interactions Source: RxList
© 2014 RxList, Inc.
Serious - Use AlternativeHigh likelihood serious or life-threatening interaction. Contraindicated unless benefits outweigh risks and no alternatives available.

atazanavir oral and tadalafil oral

atazanavir oral will increase the level or effect of tadalafil oral by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Stop tadalafil >24 hours prior to protease inhibitor (PI) initiation, restart 7 days after PI initiation at 20 mg once daily, and increase to 40 mg once daily based on tolerability.

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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