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

Short answer

Go to the Emergency Room (ER) now for new sudden testicular pain or swelling. If you can’t get there safely or the pain is extreme, call 911.

Do not do these things

  • Do not “wait it out,” especially if pain is sudden, severe, or comes with nausea/vomiting.
  • If symptoms are sudden/severe, do not choose urgent care—go to the ER in case emergency treatment is needed.
  • Do not drive yourself if you’re in severe pain, lightheaded, or alone—call 911 or get someone to take you.
  • Do not try to untwist, squeeze, or massage the testicle/scrotum.
  • Do not use heat (hot bath/heat pack) as a “test.”
  • If you can, avoid eating or drinking on the way to the ER in case you need a procedure (follow the ER’s instructions when you arrive).
  • Do not ignore it because the pain went away—pain can sometimes come and go and still need urgent evaluation.

What to do now

  1. Go to the ER immediately.
    • Call 911 if you can’t get there safely, the pain is overwhelming, you faint/feel faint, or you’re alone and struggling.
  2. Say the key phrase at check-in/triage: “New sudden testicular pain/swelling,” and give the exact time it started. Mention nausea/vomiting, lower abdominal pain, fever/chills, urinary burning, or discharge.
  3. Bring essentials (quickly):
    • ID/insurance card if you have them, a list of medications/allergies, and your phone/charger.
  4. While you’re on the way / waiting (only if it won’t delay you leaving):
    • Minimize movement and support the scrotum with supportive underwear or a folded towel.
    • If these are usually safe for you, consider acetaminophen (Tylenol) or ibuprofen (Advil/Motrin) as directed on the label. Do not delay going to take them.
  5. If the symptoms are new but mild/gradual (and you’re otherwise well):
    • Contact your primary care clinician for same-day advice/assessment.
    • If it becomes sudden/severe or you develop nausea/vomiting or worsening swelling, go to the ER.

What can wait

  • You do not need to figure out whether it’s torsion, infection, or something else before going.
  • You do not need to contact a primary care doctor first if symptoms are sudden/severe.
  • You can handle work, school, and messages later—priority is urgent evaluation.

Important reassurance

This is a time-sensitive symptom that ER teams are used to assessing, and you won’t be the first person to come in with it. Acting quickly is the safest way to protect your health.

Scope note

This guide is only the first steps for the next few hours. After evaluation, you may be given follow-up care instructions (for example, with a urologist).

Important note

This is general information, not medical advice or a diagnosis. New sudden testicular pain or swelling can require urgent treatment. If you think you’re in immediate danger, call 911.

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