Overview
Pain may wake a boy from sleep.
The testicle twists and cuts off its blood supply.
Surgery within 6 hours usually saves it.
Symptoms
Common signs:
- Sudden severe testicle pain
- Swelling
- Nausea and vomiting
Less common
- Belly pain
When to get medical care
Causes
Twisting.
Does it spread or run in families?
- It isn't contagious. You can't catch it from someone else.
Who is more likely to get it
- Teens
Diagnosis
This is diagnosed in the emergency room or hospital.
The exam
A physical exam.
Tests
Tests, if needed:
- Ultrasound:
Treatment
Emergency care is needed. While waiting for help:
Self-care
- Go to the ER now
Prevention
To lower your risk or prevent problems:
- Surgery fixes both sides
Which doctor treats this
- Emergency doctors treat it first, in the ER.
- They may send you to a urologist (urinary tract doctor).
Back to school, work, or sports
- Recovery time varies. Ask your care team when you can drive, lift, work, and exercise.
Children, pregnancy, and older adults
- Teen boys: Most common.
For caregivers
- Go to visits when you can and take notes.
- Keep a list of medicines, allergies, and doctors in one place.
- Learn the warning signs that need fast care.
- Learn CPR. Many hospitals and the Red Cross offer classes.
- Take breaks and ask for help. Caregivers need care too.
Outlook
Fast surgery saves the testicle.
Getting ready for your visit
Bring a list of your symptoms and medicines.
What to bring
- A list of your medicines and supplements
- Notes on when symptoms started and what makes them better or worse
Questions to ask
- What follow-up care do I need?
- How can I prevent this from happening again?
Research studies
Research studies test new ways to find and treat health problems. Some are looking for volunteers. Talk with your doctor before joining one.
Search ClinicalTrials.gov for studies on Twisted testicle (testicular torsion)
Sources
Last updated 2026-11-12.