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Opportunistic Infections - Bacterial
Bacterial Infections That Strike When the Immune System is Damaged

By Mark Cichocki, R.N., About.com

Updated: September 19, 2007

About.com Health's Disease and Condition content is reviewed by the Medical Review Board

Mycobacterium avium Complex (MAC)

MAC is often transmitted through the water supply by there is no definite way to avoid contamination. The organism may exist in the body without causing disease, but in persons with AIDS, infection throughout the body is common. Most often it starts in the intestinal tract.
  • Symptoms
    • night sweats
    • fever
    • weight loss
    • abdominal pain
    • diarrhea

Tuberculosis (TB)

TB has become a serious health problem for HIV infected people. In some areas, forms of TB that don't get better with treatment (resistant TB) are now occurring. Many people are first infected early in life, but the infection does not show symptoms until much later. It becomes active when HIV weakens the immune system. TB is highly contagious and can be spread through coughing or sneezing. TB confined to the lungs is called pulmonary TB. TB that effects the other areas of the body is called extrapulmonary TB.
  • Symptoms
    • fatigue
    • fever
    • night sweats
    • weight loss
    • cough producing blood tinged mucous.

Salmonellosis (Food poisoning)

Salmonella is acquired by eating contaminated food or drinking contaminated water, particularly undercooked chicken or eggs. Therefore, people living with HIV should avoid food made with raw eggs such as eggnog, homemade ice cream, and some salad dressings. Salmonella can be found in some people's stool, therefore infection can also occur through oral-anal sexual contact.
  • Symptoms
    • Abdominal pain and cramping
    • fever
    • loss of appetite
    • vomiting
    • diarrhea
    • bloody stools.

More Opportunistic Infection Information

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