functional obsolescence. Impairment of the usefulness of a device or equipment due to a design defect, or due to its inability to be upgraded or modified to serve the user's current needs.efinition. Impairment of the usefulness of a device or equipment due to a design defect, or due to its inability to be upgraded or modified to serve the user's current needs. For example, a relatively new computer becomes functionally obsolete if it cannot run the latest program or peripheral the user wishes to use.
Current US DHHS guidelines (published April 8, 2015) state: 1  Antiretroviral therapy (ART) is recommended for all HIV-infected individuals to reduce the risk of disease progression. 2  ART also is recommended for HIV-infected individuals for the prevention of transmission of HIV.
1 Drug-based and non-drug-based interventions to improve the bone mineral density in patients living with HIV. 2  Treatment for leiomyosarcoma and leiomyoma in children with HIV infection. 3  Use of antimotility drugs (Loperamide, Diphenoxylate, Codeine) to control prolonged diarrhoea in people with HIV/AIDS.