HIV attacks the body's white blood cells. This allows infections to take advantage of a weakened immune system, and can lead to illnesses, cancers, or neurological problems.
AIDS wasting syndrome occurs when you have AIDS and lose at least 10% of your body weight -- especially muscle.
Lipodystrophy, also called fat redistribution, is common in people with HIV and AIDS. Find out what causes it and how it's treated.
Pneumocystis pneumonia (PCP) is a serious infection that causes inflammation and fluid buildup in the lungs.
Cytomegalovirus (CMV) is related to the herpes virus that gives you cold sores. It can cause blindness and other serious problems if you're HIV-positive.
Tuberculosis is not a problem for most people. But this opportunistic infection is a leading cause of death for people with HIV. Find out why and what you can do about it.
Mycobacterium avium complex (MAC) is a group of bacteria that are related to tuberculosis and can severely affect those infected by HIV.
AIDS dementia complex -- also called ADC -- is a type of dementia that occurs in advanced stages of AIDS.
Non-Hodgkin’s lymphoma, also known as AIDS-related lymphoma, is a cancer of specific white blood cells. Find out more about what it is and what you can do for it.
Kaposi's sarcoma is a type of cancer that people with AIDS often get. Find out more including its symptoms and treatment.