Causes of pain in testicles?

?epididymitis: Epididymitis is a medical condition characterized by discomfort or pain in of the epididymis, a curved structure at the back of the testicle in which sperm matures and is stored. If infected or inflamed, it can cause pain in the teste. Torsion is painful and should be emergently treated. In general, if you were not struck in the testicle and have ongoing pain, have a dr. Examine you and do testing.

Various: Acute severe pain in the testis might be testis torsion & an emergency. Severe pain of fairly rapid onset & relieved by gently lifting scrotum on that side could be epididymitis requiring antibiotics. Dull ache could be due to varicocele or hydrocele. Pain can be related to sexual stimulation without ejaculation. Suggest see a urologist if there is any doubt.