Testicular Pain & Lumps: When to Worry — UK Doctor Guide
Educational information — not medical advice.
This article was prepared by the OnlineDoctor24 editorial team and reviewed for factual accuracy against UK clinical guidance (NHS and NICE). It is not written by a doctor and does not replace personal medical advice. For symptoms specific to you, book an online doctor consultation.
Key points
- Sudden severe testicular pain is a surgical emergency — go to A&E.
- Painless lumps need urgent assessment to rule out testicular cancer (highly curable when caught early).
- Most pain is from epididymitis (infection) — antibiotics resolve it.
- Self-examination monthly catches problems early.
Causes of pain
- Testicular torsion (emergency): sudden severe pain, often in adolescence.
- Epididymitis: gradual pain, swelling, often with urinary symptoms.
- Trauma.
- Inguinal hernia.
- Referred pain from kidney stones.
Lumps
Most lumps are benign (cysts, varicocele, hydrocele) but any new lump needs ultrasound. Testicular cancer is the commonest cancer in men aged 20–40 — and >95% curable when caught early.
Self-examination
Check monthly after a warm bath. Roll each testicle gently between thumb and fingers, feeling for lumps, hardness or changes in size.
Red flags — when to seek urgent help
Call 999 or go to A&E if you experience any of the following:
- Sudden severe pain — A&E (possible torsion)
- Painless lump or swelling
- Heaviness, dull ache that persists
Frequently asked questions
Common questions UK patients ask about testicular pain or lumps.
How an online doctor can help
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This article is for general information only and does not replace personal medical advice from a qualified doctor. Content is reviewed against UK NHS and NICE guidance by the OnlineDoctor24 editorial team and is not authored by a medical doctor. If your symptoms worsen or you are unsure, please book a consultation with a GMC-registered GP.
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