Two types of orchitis: acute orchitis and chronic orchitis

Acute nonspecific orchitis often occur as a complication or secondary disease of urethritis, cystitis, prostatitis and resection of BPH. It commonly occur on kids and young adults. It is often caused by other urinary system infection. 

 

Chronic orchitis is always caused by acute orchitis which haven't been cured for a long time. It can also be caused by mould, spirochete or parasite infection. Such as, the syphilis of the testis, and testis trauma often lead to a orchitis. If the testis or the human body is in the Isotope phosphorus, the tissue in testis is damaged and those people quite risk for orchitis. People who have chronic orchitis have a slowly swelling testis. The testis is smooth and hard, painful when touching. People who have severe chronic orchitis have a withering testis. 

 

Acute orchitis symptoms: 

Coming in sudden, having fever and chill, pain in scrotum, tense skin, redness, swelling, urgent or frequent urinate, pain of touch, hardness. Hydrocele can occur with acute orchitis. 

 

Chronic orchitis symptoms: 

Only local symptoms: enlarged testis, hard testis. The testis is not sticked with the skin, the spermaduct can be hard.