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Mycobacterium Avium Complex

Mycobacterium avium complex (MAC) is a group of bacteria, commonly found in soil or water, that can infect people who have acquired immunodeficiency disease (AIDS). In people whose CD4+ cell count drops below 50 cells per microliter (mcL), the bacteria can spread throughout the body and cause infection almost anywhere.

Symptoms include:

  • Night sweats.
  • Fever.
  • Diarrhea.
  • Fatigue.
  • Weight loss.
  • Belly pain.

There is no easy way to avoid exposure to Mycobacterium avium complex bacteria. But medicines are available that can prevent disease.

ByHealthwise Staff
Primary Medical ReviewerE. Gregory Thompson, MD - Internal Medicine
Specialist Medical ReviewerPeter Shalit, MD, PhD - Internal Medicine

Current as ofSeptember 9, 2014

WebMD Medical Reference from Healthwise

Last Updated: September 09, 2014
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.