testicular risk reduction
Informed by recognized medical guidance
Overview
Testicular risk reduction means taking simple steps to lower your chances of developing testicular cancer and to find any problems early, when they are easiest to treat. It focuses on knowing what is normal for your body, doing regular self-checks, and talking to a doctor if you notice any changes.
Key facts
- Testicular cancer is one of the most treatable cancers when found early.
- Regular self-examination helps you notice changes quickly.
- Most lumps or swellings in the testicle are not cancer, but they always need a doctor's check.
Testicular cancer is relatively uncommon, but it is the most common cancer in men aged 15 to 49. The number of new cases has been slowly rising, yet the chance of dying from it is very low thanks to modern treatment.
It can affect males of any age, but it is most often diagnosed in younger and middle-aged men, especially those between 15 and 49. Men with an undescended testicle, a family history, or a previous testicular cancer have a higher risk.
Symptoms
- Sudden, severe pain in the scrotum or testicle
- Swelling that comes on very quickly with nausea or vomiting
- Severe pain following an injury to the scrotum
- ⚠Any new lump or swelling in a testicle, even if it does not hurt
- ⚠A change in the size or feel of a testicle
- ⚠Ongoing pain or discomfort in the scrotum for more than a few days
Common symptoms
- A lump or swelling in one testicle
- A feeling of heaviness or dragging in the scrotum
- A dull ache in the lower belly, groin, or testicle
- A sudden collection of fluid in the scrotum
- Pain or discomfort in a testicle, though cancer can also be painless
Symptoms in children
- A firm lump or swelling in a testicle
- An unusually large or heavy testicle
- A feeling of fullness or discomfort in the scrotum
Symptoms in older adults
- A new lump or hardening of a testicle
- Swelling or heaviness in the scrotum
- Unexplained back pain or belly pain, which can be a sign of spread
Causes
Main causes
- The exact cause of testicular cancer is not known.
- Most testicular cancers begin in germ cells that make sperm, but why they become cancerous is still unclear.
- It is not caused by injury, sexual activity, or lifestyle habits.
Risk factors
- An undescended testicle (when one or both testicles has not moved into the scrotum at birth)
- A family history of testicular cancer, especially in a father or brother
- A previous testicular cancer in the other testicle
- Being born with conditions that affect testicle development
- Human immunodeficiency virus (HIV) or certain other health conditions
When to see a doctor
See a doctor urgently if:
- See a doctor within a few days if you find a new lump, firm area, or any change in a testicle.
- Seek care the same day if you have pain, swelling, or a feeling of heaviness that is new and does not go away.
Book a routine appointment if:
- During a general check-up, ask about testicular health and whether self-examination is right for you.
- If you have risk factors, ask your doctor how often you should be checked.
Diagnosis
A doctor will ask about your symptoms, examine the testicles and scrotum, and may shine a light through the area to check for fluid or a solid mass. If anything looks suspicious, they will usually arrange an ultrasound scan.
Tests that may be done
- Physical examination of the scrotum and testicles
- Ultrasound scan of the scrotum
- Blood tests for tumour markers (proteins that can be raised in some testicular cancers)
- Sometimes a CT scan or other imaging if cancer is confirmed, to check if it has spread
What to expect at your appointment
These tests are usually quick and painless. An ultrasound uses a small hand-held device moved over the scrotum. You do not need to prepare for it. If cancer is found, you will be referred to a specialist team that will explain your options and support you.
Treatment
Treatment for testicular cancer depends on the type and stage. The main goal is to remove the cancer and prevent it from coming back. Most men are cured, and treatment options are very effective.
Self-care at home
- Do regular testicular self-exams, usually once a month after a warm shower.
- Know the normal size and feel of your testicles so you can spot changes.
- Seek medical advice early if anything feels different.
Medical treatments
If cancer is diagnosed, the standard treatment is surgery to remove the affected testicle. Depending on the type and stage, additional treatments such as chemotherapy, radiotherapy, or careful monitoring may be used. The exact plan will be tailored to your situation.
When is surgery considered?
Surgery is usually the first step for testicular cancer. In some early-stage cases, it may be the only treatment needed. The remaining testicle is able to produce enough testosterone and sperm for most men, though fertility and hormone levels should be discussed with your doctor.
Living with this condition
After treatment, you will have regular check-ups for a few years to make sure everything is fine. You can usually return to normal activities within a few weeks. It is normal to have mixed feelings, and you can ask for support anytime.
Lifestyle tips
- Continue monthly self-exams of the remaining testicle.
- Protect yourself from sexually transmitted infections, which may affect testicular health.
- Avoid wearing very tight clothing for long periods, although there is no proven link to cancer.
- Tell your doctor about any changes without embarrassment.
Diet and exercise
Eating a balanced diet with plenty of fruits, vegetables, and whole grains supports overall health. Regular exercise, such as walking or cycling, can help you feel stronger and improve your mood. There is no special diet that prevents testicular cancer, but staying active is good for your whole body.
Mental health and emotional wellbeing
A diagnosis or even a scare can cause worry, stress, or low mood. It is normal to feel this way. Talking to your doctor, a counsellor, or a trusted friend can help. Many men feel better once they understand their treatment and future options.
Prevention
There is no known way to prevent testicular cancer, but you can reduce your risk of serious problems by finding it early. Regular self-examination and prompt medical review are the most powerful tools.
Screening programmes
There is no routine national screening program for testicular cancer. Instead, health experts recommend being aware of your own body and reporting changes. If you have a higher risk, your doctor may suggest more frequent check-ups.
Complications
If left untreated
- Cancer may spread to lymph nodes, lungs, or other organs if left untreated.
- Advanced disease is more difficult to treat and can be life-threatening.
- Delays in diagnosis can lead to more extensive treatment being needed.
Long-term outlook
The outlook for testicular cancer is excellent. More than 95 out of 100 men are cured, and even when the cancer has spread, treatment is very effective. With modern medicine, most men live long, healthy, and active lives after treatment.
Find support
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Always verify with your doctor
Health guidelines vary by country and region. The information in this article is based on international clinical guidelines but may not reflect the specific guidelines, medications, or practices in your country. Always discuss your health concerns with your own doctor or healthcare provider, and refer to your local national health guidelines where available.
Important notice This information is for educational purposes only. It does not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider about your specific situation. If you are experiencing a medical emergency, call your local emergency services immediately.
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Sources and guidance
This article is educational and is prepared with reference to recognized health information and clinical guidance sources where available. Specific source links may vary by topic.
Last updated: July 31, 2026
Educational note: This information is for education only and is not a diagnosis.
Use it to support, not replace, advice from a licensed clinician.
If symptoms are severe, worsening, or urgent, call your local emergency number or seek emergency care.