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Definition of AIDS wasting syndrome
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
AIDS wasting syndrome: The involuntary weight loss of 10% of baseline body weight plus either chronic diarrhea (two loose stools per day for more than 30 days) or chronic weakness and documented fever (for 30 days or more, intermittent or constant) in the absence of a concurrent illness or condition other than HIV infection that would explain the findings.