Lipoatrophy
Encyclopedia
Lipoatrophy is the term describing the localized loss of fat tissue. This may occur as a result of subcutanous injections of insulin in the treatment of diabetes, from the use of human growth hormone or from subcutanous injections of Copaxone used for the treatment of multiple sclerosis
Multiple sclerosis
Multiple sclerosis is an inflammatory disease in which the fatty myelin sheaths around the axons of the brain and spinal cord are damaged, leading to demyelination and scarring as well as a broad spectrum of signs and symptoms...

. In the latter case, an injection may produce a small dent at the injection site. Lipoatrophy occurs in HIV-associated lipodystrophy
HIV-associated lipodystrophy
HIV-associated lipodystrophy is a condition characterized by loss of subcutaneous fat associated with infection with HIV.-Cause:The exact mechanism of HIV-associated lipodystrophy is not fully elucidated...

, one cause of which is an adverse drug reaction
Adverse drug reaction
An adverse drug reaction is an expression that describes harm associated with the use of given medications at a normal dosage. ADRs may occur following a single dose or prolonged administration of a drug or result from the combination of two or more drugs...

 that is associated with some antiretroviral drug
Antiretroviral drug
Antiretroviral drugs are medications for the treatment of infection by retroviruses, primarily HIV. When several such drugs, typically three or four, are taken in combination, the approach is known as Highly Active Antiretroviral Therapy, or HAART...

s.
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