Causes Often, doctors don't know what causes acquired lipodystrophy, but some triggers are: An infection, such as measles, pneumonia, infectious mononucleosis, or hepatitis
[webmd.com]
Infections that have preceded the onset of AGL include varicella, measles, pertussis, diphtheria, pneumonia, osteomyelitis, infectious mononucleosis, and parotitis.
[rarediseases.org]