Testicular conditions

Swollen or painful testicles are when one or both of your testicles becomes enlarged or sore.
Testicles, also called testes or balls, are a part of the male reproductive system. They sit in a pouch outside your body, which is called the scrotum. Testicles produce sperm and testosterone, which is a male sex hormone.
Testicles are very sensitive, so it can be uncomfortable if they are swollen or painful.
A swollen or painful testicle will often be tender to the touch. Depending on the cause, you may also have other symptoms, such as:
A swollen or painful testicle can be caused by many things, including:
Testicular torsion is another cause of swollen or painful testicles. This happens when a testicle twists in the scrotum and cuts off the blood supply. This is a medical emergency and requires immediate surgery.
Painful or swollen testicles may be due to deliberate harm, such as:
If you or your child has a swollen or painful testicle that you think was caused deliberately, see a healthcare professional as soon as possible.
Consider talking to your doctor or another trusted person.
You should see your doctor if you have:
Having a lump in your testicle can be a sign of testicular cancer. Diagnosing and treating testicular cancer early will give you the best chance of recovery.
You should get urgent care if you have:
Your doctor will examine your testicles. They will also ask about your symptoms and whether you've had any recent injury to the area.
Your doctor may recommend further tests, including a:
This can help your doctor find the cause of the swelling or pain.
Treatment for a swollen or painful testicle will depend on the cause.
If you have a swollen or painful testicle, there are things you can do at home to help with your symptoms:
If you have a bacterial infection, such as epididymo-orchitis, you will be given antibiotics. It's very important to finish the whole course of antibiotics, even if your symptoms start to improve.
Pain relief medicines can help with your symptoms. Ask your pharmacist which pain relief medicines are right for you.
If you have testicular torsion you will need to have an operation. You will be transferred to a hospital for surgery immediately.
The complications of a swollen or painful testicle will depend on the cause:
Complications from swollen or painful testicles are rare. Seeing your doctor as soon as possible can help find and treat most issues before they become serious.
Swollen or painful testicles can be caused by many different things, some of which can be prevented and others which can't.
Here are some tips to help prevent a swollen or painful testicle:
To learn more, visit the following websites:
If you or someone you know has experienced physical or sexual assault, there are organisations that offer confidential information and support:
You can also call the healthdirect helpline on 1800 022 222 (known as NURSE-ON-CALL in Victoria). A registered nurse is available to speak with you 24 hours a day, 7 days a week.
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Last reviewed: November 2025










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