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Managing Side Effects of HIV TreatmentManaging Side Effects of HIV Treatment
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Viagra & HIV Medecine
Dec 19, 2008

Hi Dr. Keith, Thanks a lot for your answers and help. I am HIV+ and taking Truvada+Sustiva at 10pm daily, can I take occasionaly Viagra 100 around the same time? Does it have any interference with my regimen? Do I need to take any precautions or do anything special etc. Please advice.

Response from Dr. Henry

Some more careful monitoring and sometimes dosing adjustment is recommended when using efavirenz (Sustiva) and Viagra due to concerns about possibly higher levels of the Viagra when two used together (and thus more risk for side effects/toxicity). Generally advise starting at a lower dose and titrating dose upwards as tolerated with no use of poppers (amyl nitrate) at all due to possible very severe reaction. KH

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