Cotrimoxazole: Tremor: case report.

A 67-year-old man developed tremors while being treated with cotrimoxazole for Pneumocystis jirovecii pneumonia. He had a history of multiple myeloma, stem-cell transplantation, and ongoing lenalidomide treatment. The tremors appeared shortly after starting cotrimoxazole and improved with a reduction in dosage. The man completed his treatment without further adverse events. [Extracted from the article]