HEALTH TOPICS 
Epididymitis And Orchitis
What Is It?
Epididymitis is an inflammation of the epididymis. The epididymis is the coiled tube at the back of the testicle. In most cases, an infection causes this inflammation.
Orchitis is an infection of the testicle. It is much less common than epididymitis. Orchitis usually spreads to the testicle through the bloodstream. Viruses commonly cause the infection.
To continue reading this article, you must login.
Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.
- Research health conditions
- Check your symptoms
- Prepare for a doctor's visit or test
- Find the best treatments and procedures for you
- Explore options for better nutrition and exercise