switching nevirapine with efavirenz after 2 weeks from PEP
Nov 29, 2009
i have been treated with PEP after 12 hours of possible exposure. i was having sex with a girl and the condom broke. i was been treated with combivir+nevirapine and after 2 weeks i changed nevirapine to efavirenz because of the rash caused by the nevirapine. i completed my 4 weeks treatment. my question is: is it effective to change nevirapine to efavirenz or it will make the PEP ineffective? What are the percentage now that i got infected knowing that i don't know the status of the girl (but she is most propably high risked), and knowing that i had taken the 4 weeks PEP treatment? Thank you for your help
Response from Dr. McGowan
Please let me provide you with some reassurance. First, you were using condoms which substantially reduces your HIV exposure risk. Second, you were placed on post exposure prophylaxis (or PEP) very promptly (within 12 hours of the exposure). PEP is most effective if taken as soon as possible after probable exposure to HIV. Third, it is important that you test yourself for HIV. In the long run, this will give you the peace of my mind you need. Fourth, you completed the full course of PEP (even if the nevirapine was switched to efavirenz, this would not have negatively impacted the effectiveness of the PEP regimen). Fifth, please see the doctor who placed you on PEP treatment. He or should monitor you for HIV infection and test you for HIV. Good luck, Joe
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