|heppatitis from drug
May 27, 2002
I have azt+ddi+norvir+crixivan sinc oct 2000. Then change to combivir+sustiva sinc jan 2002. 2 weeks ago I got sick doctor said have hepatitis but the test result for hva hvb hvc and cmv are all negative. I think it effect of my hiv drug and I stop all drug sinc that day. My question is when can I start using hiv drug again? Can I use the same drug? Can I use drug in the first set when change to second set my viral load still undetectable? What will happen if I stop using drug for a long time? Now my ALT=400 reduce from 1900 2 week ago. My cd4 450 2 month ago. Please advise.
| Response from Dr. Henry
The NNRTI class if drugs (such as Sustiva) has a certain rate of causing liver irritation that may run in the 5-20% range depending on which drugs and how your define liver irritation. I would doubt that the Combivir triggered that reaction since you previously were on AZT + ddI OK. You should be able to go back to your previous PI based therapy. Use of abacavir or tenofovir might also be options depending on your prior treatment history. If there is a suspected liver reaction to one NNRTI one can sometimes use a different NNRTI later or occasionally re-introduce the possibly offending agent at a later time point. I would still consider the possibility of some other cause yet undetected for the liver irritation. To know for sure if it was the Sustiva or some other drug a re-challenge is often needed. Whether that is worth doing (and safe) depends on numerous specific factors unique to each case. I would wait until the liver enzymes have pretty much normalized and then go back to the PI based regimen. If undetectable and lvier enzymes OK after a while, then consider a switch to a simpler regimen (+/- an NNRTI). KH
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