Fish smell from penis

Urine infection The bad smell can also be caused by an infection in the urinary system, not necessarily in the penis and testicles. Schizophrenia: Largest genetic study offers new insights. Yeast infection Aside from poor hygiene, skin infections can also cause a fishy smell. Asma Ahmed , DO, says. Our top tips on how to cope. Painful urination may also occur if the infection has affected the urethra, or opening at the tip of the penis.