Testicular Pain and Scrotal Swelling: When to Seek Care

An independent educational resource prepared by Mark M. Simonian, MD, FAAP

Sources checked: August 8, 2026     |     Medical review completed: August 8, 2026

This page is for general education only and does not replace individualized medical advice. This resource does not establish a doctor-patient relationship. For questions about your own child, contact your child's current healthcare professional.

Magnolia Pediatrics, Valley Children's Healthcare

2497 E. Herndon Avenue, Suite 101, Clovis, CA 93611     |     559-538-3070

Any sudden testicular or scrotal pain needs urgent attention. The cause cannot be determined safely at home, and testicular torsion can threaten blood flow to a testicle. Encourage children and teens to tell an adult promptly; there is nothing embarrassing about asking for help.

Urgent Warning Signs - Check This First

Do not wait to see if sudden testicular pain improves. Go directly to an emergency department for sudden pain, significant swelling, or pain with abdominal symptoms, nausea, or vomiting.

CALL 911 NOW

  • A child is not breathing, is blue or gray, limp or unresponsive, or you believe there is an immediate life-threatening emergency

  • A major injury causes uncontrolled bleeding, severe shock symptoms, or the child cannot be transported safely

GO TO AN EMERGENCY DEPARTMENT NOW

  • Sudden testicular or scrotal pain, even if it begins during sleep or seems to improve

  • Testicular or scrotal pain with swelling, redness, firmness, an unusually high or sideways-looking testicle, abdominal pain, nausea, or vomiting

  • Significant injury to the scrotum or groin, especially with persistent pain, swelling, bruising, blood in the urine, or a change in the appearance of the testicle

  • Sudden scrotal or groin swelling with pain, especially in an infant or young child

CONTACT YOUR CHILD'S HEALTHCARE PROFESSIONAL TODAY

  • Pain that comes and goes, mild swelling, a new lump or change in size, or persistent tenderness even if the child otherwise looks well

  • Pain or burning with urination, urinary frequency, blood in the urine, fever, or discharge from the penis

  • A painless scrotal bulge that changes size with crying or straining, or any swelling in a newborn or infant that needs assessment

  • Redness, swelling, pain, or difficulty urinating involving the penis or foreskin

Why Sudden Pain Is an Emergency

Testicular torsion occurs when the cord supplying a testicle twists and reduces or stops its blood flow. It is most common around puberty but can occur at any age. Other conditions can cause similar symptoms, so families cannot reliably tell the difference at home. Emergency evaluation is needed to rule out torsion quickly.

  • Do not delay for a routine appointment, wait for pain medicine to work, or choose an urgent-care setting that cannot evaluate possible torsion

  • Pain that suddenly disappears can still be important. A testicle can twist and untwist, and another episode may occur

  • Do not try to twist, squeeze, reposition, or otherwise manipulate the testicle at home

Possible Causes After Emergency Problems Are Excluded

  • Infection or inflammation, sometimes with urinary symptoms or fever

  • A hydrocele, which is fluid around a testicle and is often painless; a communicating hydrocele may change size through the day

  • An inguinal hernia, which can cause a groin or scrotal bulge and may become urgent if painful or stuck

  • A blow or sports injury, a kidney stone, constipation or bladder problems, or a problem involving the penis or foreskin

What Families Can Do While Seeking Care

  • Go promptly to the nearest emergency department for sudden pain or significant swelling. If possible, call ahead to say that a child has acute testicular pain

  • Keep the child comfortable and avoid food or drink if emergency surgery may be needed unless the emergency team tells you otherwise

  • Use supportive underwear or comfortable clothing only if it does not delay care. Do not apply heat, massage the area, or try to correct the position of a testicle

  • Bring a list of medicines, allergies, medical conditions, and the approximate time the pain began

For Teens and Caregivers

  • Tell children and teens that genital pain, swelling, or injury is a health issue, not something to hide or wait out

  • Ask privately and directly if a teen has mentioned lower abdominal, groin, or testicular pain, nausea, or injury

  • A confidential discussion with a healthcare professional may be important for adolescents with urinary symptoms, discharge, sexual-health concerns, or injury

Call Preparation

  • When pain or swelling began; whether it was sudden or gradual; whether it comes and goes; and which side is involved

  • Any nausea, vomiting, abdominal or groin pain, fever, urinary symptoms, blood in urine, injury, or change in appearance

  • Relevant past episodes, hernia or hydrocele history, surgeries, medicines, and allergies

Related Guides

  • Urinary Symptoms and Possible UTI: When to Seek Care

  • Abdominal Pain: When to Seek Care

  • Limping, Leg Pain, and Refusal to Walk: When to Seek Care

Sources and Medical Review

  • HealthyChildren.org (American Academy of Pediatrics), Testicle Pain and Testicular Torsion: Why It Is an Emergency: Read source

  • HealthyChildren.org (American Academy of Pediatrics), Genital Pain in Boys: 5 Common Causes and When to Act: Read source

  • HealthyChildren.org (American Academy of Pediatrics), Scrotal Swelling in Children: What Is a Hydrocele?: Read source

  • MedlinePlus, Scrotal Swelling: Read source

  • National Library of Medicine, Pediatric Testicular Torsion: Read source