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Varicocele

Also called: Varicocele, enlarged scrotal veins

Enlarged veins in the scrotum, usually on the left, that feel like a bag of worms. Often harmless; can affect fertility.

Common inTeens and young men
SideUsually left
TreatmentWatching or a procedure

Overview

It may ache after standing.

A new varicocele on the right side in an older man needs a check.

Symptoms

Common signs:

  • Lumpy veins in the scrotum
  • Twisted veins or dull ache above a testicle

Less common

  • Dull ache

When to get medical care

Call 911Sudden, severe testicle pain.
Get care todayA new lump on the testicle.
See a doctor soonAche or fertility concerns.

Causes

Faulty vein valves.

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

Possible complications

Diagnosis

A clinician examines while standing.

Tests

Tests, if needed:

  • Ultrasound:

Treatment

Watch it.

Self-care

  • Supportive underwear

Medicines

Medicines that may help:

MedicineHelps withGood to know
Pain relievers
Pain and swellingAsk first if you have kidney, stomach, or heart problems.

OwieClear doesn't give doses: follow the label or your healthcare professional. Medicine names here are examples, not a full list.

Surgery or a procedure for pain or fertility.

Which doctor treats this

  • Start with your primary care provider (family doctor or internist).
  • They may send you to a urologist (urinary tract doctor).

Outlook

Usually harmless.

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 Varicocele

Sources

Last updated 2026-11-12.