Cancer from PEP ?
Sep 7, 2007
Dear Doctor, I had an unprotected sexual exposure to a person in mid April who had a high likelyhood of being HIV positive. I approached my primary doctor the next day and he, not being an HIV expert, started me on Combivir, Kaletra, and Viread (Tenofovir) for PEP. I took all of them as prescribed for 2 weeks but was having too many side effects (GI, acidosis etc) and had to stop Kaletra after 2 wks but continued and finished Combivir and Viread as prescribed for 28 days. For the last few months since stopping my meds I have been having mirgratory bone pain, upset stomach with bitter metallic (not like GERD) taste in my mouth, generalized weakness, and 2 "knots" that have shown up on my body that are painful (one on my R mid scapular region and one just in front of my R ear (not responsive to NSAIDS or muscle relaxant). My latest tests were done 3 days ago on Sept 4th (a little over 20 wk post exposure and 16 wk post PEP) that showed a negative HIV-1/2 Ab ELISA, and an undetectable (<100) HIV1 RNA level. So I doubt that HIV is the cause for these symptoms. However I am concerned over the toxigenicity of these drugs. I know that they are fairly new and not well studied and the regimen that was prescribed to me was probably a little overkill. But are you aware of the above meds having any carcinogenic potential or other side effects that might explain my symptoms. Please make any recommendations on what I should do from this point.. Thanks for your help. -A
Response from Dr. Conway
You are completely correct that the tests you have done so far are conclusive for the fact that you are not infected with HIV as a result of the exposure that occurred. As for the symptoms you are having, they may be the delayed side effects of the medications you took, perhaps the Kaletra. If this is the case, they will go away soon. There is absolutely no evidence of long-term toxicity or carcinogenicity of any of the HIV drugs that are in use today, especially if you used them for such a brief period of time.
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