Inflammation of the Testicle (Orchitis) Topic Guide
Inflammation of the Testicle (Orchitis): Orchitis is inflammation of one or both testicles in men, usually caused by an infection. Examples of causes of orchitis include a viral infection such as mumps, mononucleosis, coxsackievirus, E. coli, and STDs. Symptoms of orchitis include testicular swelling, redness, and pain; fever; nausea; fatigue; headache; body aches; and pain during urination. Treatment of orchitis depends upon the cause.
Syphilis Syphilis is a contagious bacterial infection transmitted most often through sexual intercourse. Flulike symptoms, body rash, and swollen lymph nodes. Late-phase syphilis attacks the heart, brain, skin, and bones. Late-stage syphilis is rare since the discovery of the antibiotic penicillin, which is used to treat this sexually transmitted disease (STD).