Progressive multifocal leukoencephalopathy risk factors
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Risk Factors
Risk Factors
Anyone with a weakened immune system, however, are at greater risk of developing PML. Causes of a weakened immune system include:
- AIDS (less common now because of better AIDS treatments).
- Certain medications used to treat multiple sclerosis, rheumatoid arthritis, and related conditions.
- Leukemia and lymphoma.
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