AZT related anemia in developing country
May 6, 2009
Dear Doctor: My partner (living in Peru) was diagnosed with HIV 2 years ago and started treatment about 3 months ago with Combivir and Efavirenz. His hemoglobin has dropped to 9 and his doctor has changed the AZT component for stavudine (so he will be on stavudine, lamivudine and efavirenz). This switch will be temporary (for a month) until his anemia resolves and then he will go back to Combivir + Efavirenz, to avoid long term use of stavudine and the risk of lipodystrophy. The doctor says that in most cases the anemia does not recur after this temporary switch. Is this true? Is there any risk of developing resistance with this approach? In Peru there is not the alternative of using Truvada or Atripla (too expensive and has to be bought abroad). Thank you so much for your answer.
Response from Dr. Henry
I am not confident that if AZT was directly causing the anemia that reexposure to AZT would not happen again. Optimizing vitamin/iron levels may help in some cases. Not all patients develop lipodystrophy problems (mostly fat loss) on stavudine so can often monitor closely and consider switch back to AZT if problems develop early. KH
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