A hydrocele is a collection of fluid in the loose pouch of skin that holds the testicles (scrotum).
- An injury to the scrotum.
- An infection.
- A tumor or cancer of the testicle.
- Twisting of a testicle.
- Decreased blood flow to the scrotum.
- A hydrocele feels like a water-filled balloon. It may also feel heavy.
- Swelling of the scrotum. The swelling may decrease when you lie down.
- Swelling of the groin.
- Mild discomfort in the scrotum.
- Pain if the hydrocele was caused by infection or twisting.
- Your medical history.
- A physical exam
- Imaging tests.
- You may also have blood and urine tests to check for infection.
- Watching and waiting, particularly if the hydrocele causes no symptoms.
- Treatment of the underlying condition. This may include using antibiotic medicine.
- Surgery, including:
- Needle aspiration to drain fluid.
- Hydrocelectomy in which an incision is made in the scrotum to remove the fluid sac.
Follow these instructions at home:
- Keep all follow-up visits as told by your health care provider.
- Watch the hydrocele for any changes.
- Take over-the-counter and prescription medicines only as told by your health care provider.
- If you were prescribed an antibiotic medicine, use it as told by your health care provider. Do not stop using the antibiotic even if your condition improves.
Contact a health care provider if:
- The swelling in your scrotum or groin gets worse.
- The hydrocele becomes red, firm, tender to the touch, or painful.
- You notice any changes in the hydrocele.
- You have a fever.
This information is not intended to replace advice given to you by your health care provider.