Abdominal Distention And Swelling From Protease Inhibitors
Apr 22, 1997
Dr. Gallant, do protease inhibitors cause abdominal swelling, in partiuclar Crixivan? If so is this condition detrimental to one's health and do all PI's cause this condition? Will this side effect subside once the drug is removed? As always I would appreciate your valued opinion.
Response from Dr. Gallant
You are referring to what is popularly called "Crix Belly." I have heard of it (mostly on the Internet) and have seen it in a small number of my patients. It doesn't appear to be particularly harmful, but can be distressing enough (both for cosmetic reasons and because it's uncomfortable) that people end up changing therapy. I haven't heard of this happening with other protease inhibitors, but that may be because indinavir (Crixivan) has been the most commonly prescribed PI.
"Crix belly" should not be confused with actual weight gain resulting from the improved health that often accompanies protease inhibitor therapy.
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