
Testosterone Therapy Triggers Psychosis in a Man with Klinefelter Syndrome
A 45-year-old man on testosterone for osteoporosis developed paranoia and hearing voices about a year into therapy; stopping testosterone led to rapid resolution of symptoms, and he was later restarted on testosterone with close monitoring. He was found to have Klinefelter syndrome, which may increase psychiatric risk, underscoring the need for baseline mental-health screening and vigilant monitoring when initiating testosterone, especially in vulnerable patients.













