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Medically reviewed by Last updated on Jul 7, 2024.

What is a hydrocele?

A hydrocele is a collection of fluid inside the scrotum. The scrotum holds the testicles. Hydroceles can occur in one or both sides of the scrotum and usually grow slowly.


What causes a hydrocele?

The cause of a hydrocele is not always known. A hydrocele may be caused by a medical condition, infection, or injury to the scrotum.

What are the signs and symptoms of a hydrocele?

A painless, swollen scrotum is the most common sign of a hydrocele. Your scrotum may feel sore and heavy from the swelling.

How is a hydrocele diagnosed?

Your healthcare provider will ask about your symptoms and examine you. Tell your provider about any injury to your scrotum. Your provider will apply gentle pressure to your scrotum to check if the hydrocele gets smaller. These or other tests may also be needed:

How is a hydrocele treated?

Hydroceles usually go away without treatment. The hydrocele will need to be removed if it does not go away or gets very large.

When should I seek immediate care?

When should I call my doctor?

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