Can Trizivir/Viread Combo cause neuropathy?
Jun 28, 2003
I changed from Viracept and Combivir regimin exactly 6 weeks ago. I am now taking Trizivir and Viread. My doctor told me it would be easier and no side-effects of diareah. My viral load was undetectable and T-cells were at 550. My viral load is now at 5,000 and T-cells dropped to 400. I had flu-like symptoms at the beginning and now have leg pains, tingling in my feet and my left arm goes numb. (Never had these problems before). My labs shows everything is fine except for change in my T-cells and viral load. Could I have neuropathy? The doctor says he never found reports on neuropathy with Trizivir or Viread. My doctor says to stick with the regimin. Can I have further damage to my legs, limbs and feet?
Response from Dr. Wohl
You are on a combination for which there is very limited clinical data. While peripheral neuropathy is not particularly associated with either Trizivir or Viread, the safety of these combined (4 nucleoside reverse transcriptase inhibitors) is not known, nor is its effectiveness.
I would get a test called a venous lactate done to get a sense whether you have mitochondrial damage due to the meds, make sure you also get: a thyroid test, vitamin B12 and folate levels and a syphilis test drawn. A genotype test is also worthwhile here to see if you have developed resisitance to these drugs.
Lastly, I would strongly consider, depending on your treatment history, the genotype and other factors, going back on Combivir plus some protease inhibitor (there are others besides Viracept that you may tolerate better). DW
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