Can I take Viagra with efavirenz and Truvada?
I currently take Sustiva (efavirenz) and Truvada daily. Can I use Viagra with this medication?
Thank you for your question.
There is a potential interaction between Viagra (sildenafil) and efavirenz (Sustiva). You should speak to your doctor if you want to take Viagra as you may require close monitoring, an alteration of drug dosage or a change in the time you take each drug.
Please read this similar question for further information.