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What to do if…
you develop sudden testicular pain or swelling that is new

Short answer

Treat new sudden testicular pain or swelling as an emergency until proven otherwise. Go to A&E now (or call 999 if you can’t get there safely).

Do not do these things

  • Do not “wait and see” if the pain is sudden, severe, or lasts more than an hour.
  • Do not drive yourself to A&E if you’re in severe pain, dizzy, or unwell—get someone to take you or call 999.
  • Do not try to “push,” twist, or massage anything back into place.
  • Do not use heat (hot bath/heat pack) to “relax it” — it can waste time.
  • If you can, avoid eating or drinking on the way to hospital in case you need an urgent procedure (follow the hospital’s instructions when you arrive).
  • Do not assume you’re safe because the pain eased or went away—this can still need urgent assessment.

What to do now

  1. Get urgent medical help now.
    • Go to A&E immediately for sudden pain, significant swelling, pain with nausea/vomiting, tummy/lower abdominal pain, or pain lasting more than an hour.
    • Call 999 if you can’t get to A&E safely, the pain is extreme, you faint/feel faint, or you’re alone and struggling.
  2. Tell triage clearly: “New sudden testicular pain/swelling” and when it started (time matters). Mention nausea/vomiting, tummy/lower abdominal pain, fever, urinary burning, or discharge.
  3. Arrange safe transport and bring essentials.
    • Ask a trusted person to take you. If that’s not possible, call 999.
    • Bring a list of medicines/allergies, and your phone/charger.
  4. While waiting for transport (only if it won’t delay you leaving):
    • Lie down, keep movements minimal, and support the scrotum with snug underwear or a folded towel.
    • If these are usually safe for you, you may take paracetamol or ibuprofen as directed on the packet. Do not delay going to A&E to do this.
  5. If the symptoms are new but NOT sudden/severe (and you’re otherwise well):
    • Call NHS 111 for urgent advice or contact your GP for a same-day assessment.
    • If it becomes sudden/severe, or you feel sick/are sick, or you get tummy pain, go straight to A&E.

What can wait

  • You do not need to decide what the cause is right now.
  • You do not need to book a GP appointment first if symptoms are sudden/severe.
  • You can deal with work messages and online searching later—focus on being assessed.

Important reassurance

This is a common reason people attend emergency care, and staff are used to dealing with it professionally and quickly. Feeling embarrassed is normal, but getting checked promptly is the safest move.

Scope note

This guide covers first steps for the next few hours. After urgent assessment, you may be given follow-up instructions (for example, with a urology team or your GP).

Important note

This is general information, not a diagnosis. New sudden testicular pain or swelling can be caused by conditions that need urgent hospital treatment. If you are in immediate danger, call 999.

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