1. A term that has been used by some clinicians to describe a variety of symptoms and signs found in some persons living with HIV. These may include recurrent fevers, unexplained weight loss, swollen lymph nodes, diarrhea, herpes, hairy leukoplakia, and/or fungus infection of the mouth and throat. Also more accurately described as symptomatic HIV infection. 2. Symptoms that appear to be related to infection by HIV. They include an unexplained, chronic deficiency of white blood cells ( leukopenia) or a poorly functioning lymphatic system with swelling of the lymph nodes ( lymphadenopathy; see) lasting for more than 3 months without the opportunistic infections required for a diagnosis of AIDS. See AIDS Wasting Syndrome.

symptomatic HIV infection. An older term used to describe a condition in which an HIV positive person has a variety of symptoms related to HIV disease (e.g., swollen lymph nodes, night sweats, fever, diarrhea) that do not qualify as AIDS-defining illnesses. The symptoms of ARC are typically less severe than those of full-blown AIDS.

A condition caused by HIV in which the person is positive for HIV and has clinical symptoms not generally as severe as those of AIDS.

A term once used to describe HIV infected individuals who had developed pre-AIDS symptoms.

See ARC.

symptoms including weight loss, fever, and enlarged lymph nodes experienced by people who are infected with HIV but do not yet have AIDS

AIDS-related complex, or ARC, was introduced by the discovery of the acquired immune deficiency syndrome in homosexual men in 1981. ARC is a condition in which antibody tests are positive for the HIV virus. Patients with ARC show the mild symptoms of the HIV virus which include enlarged lymph nodes, fatigue, night sweats, weight loss, and diarrhea.