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Published on: 2/24/2026
Epididymitis is a common, treatable cause of scrotal pain, usually from infection, that often starts gradually with one-sided pain, swelling, warmth, and sometimes urinary symptoms; doctors confirm it with an exam, urine and STI tests, and often an ultrasound, then treat with antibiotics plus rest, scrotal elevation, ice, and anti-inflammatories.
There are several factors to consider. See below for urgent red flags like sudden severe pain that may signal testicular torsion, how fast to seek care, recovery timelines, complications if untreated, partner management, and step by step next actions tailored to your situation.
Scrotal pain can be uncomfortable, alarming, and hard to ignore. One of the most common medical causes of scrotal pain in men is epididymitis — an inflammation of the epididymis, the coiled tube at the back of each testicle that stores and carries sperm.
The good news? Epididymitis is treatable, especially when diagnosed early. Here's what you need to know about why it happens, how to recognize it, and what medically approved next steps look like.
The epididymis is a small, tightly coiled tube attached to the back of each testicle. When it becomes inflamed, the condition is called epididymitis.
Epididymitis can affect:
It may develop suddenly (acute epididymitis) or gradually (chronic epididymitis lasting more than 6 weeks).
Inflammation causes swelling. When the epididymis swells, it presses against surrounding tissues in the scrotum, leading to:
Pain may start gradually and worsen over hours or days. In some cases, it begins suddenly and becomes intense.
Unlike minor irritation, epididymitis pain usually doesn't go away on its own without treatment.
Epididymitis is most often caused by infection.
Understanding the cause is important because treatment depends on it.
Symptoms can range from mild discomfort to significant pain.
If symptoms develop over several days and gradually worsen, epididymitis becomes more likely.
Not all scrotal pain is epididymitis.
One urgent condition that must be ruled out is testicular torsion, which happens when the testicle twists and cuts off its own blood supply. Torsion is a surgical emergency.
If pain is severe and sudden, seek emergency medical care immediately.
When in doubt, always treat sudden testicular pain as urgent until evaluated by a doctor.
Diagnosis typically includes:
An ultrasound helps rule out testicular torsion and confirms inflammation of the epididymis.
Doctors rely on evidence-based guidelines from urological and infectious disease experts to determine the correct diagnosis and treatment plan.
Treatment depends on the cause.
Most men improve within a few days of starting antibiotics, but it's essential to complete the full course, even if you feel better.
Untreated epididymitis can lead to:
This is why early treatment matters.
The goal isn't to scare you — but to emphasize that scrotal pain should not be ignored.
You should seek medical care if you have:
Even mild symptoms deserve evaluation. It's far better to rule out serious causes early than to wait.
If you're unsure whether your symptoms match those typically associated with Epididymitis, you can use this free AI-powered symptom checker to help identify what might be causing your discomfort and determine how urgently you should seek care.
However, an online tool does not replace an in-person medical exam.
With treatment:
Mild discomfort can linger even after infection clears. This is common and usually temporary.
Chronic epididymitis (lasting more than 6 weeks) may require additional evaluation by a urologist.
Prevention depends on the cause.
There's no guaranteed way to prevent epididymitis, but reducing infection risk significantly lowers your chances.
Most men recover fully with proper care.
Scrotal pain can feel uncomfortable and worrying, but in many cases, the cause is manageable — especially when treated early.
That said:
If anything feels severe, unusual, or rapidly worsening, speak to a doctor immediately or seek emergency care.
For milder or unclear symptoms, start by understanding what might be happening, then schedule a medical visit to confirm the diagnosis.
Your health — especially when it comes to infections or potential emergencies — is not something to delay.
If you're experiencing symptoms, consider using this free online tool to check your Epididymitis symptoms, and follow up by speaking directly with a qualified healthcare professional.
Prompt action leads to faster recovery — and peace of mind.
(References)
* Boutin C, Luyckx M, Roupret M, Misrai V. Acute epididymitis: diagnostic and therapeutic update. World J Urol. 2023 Sep;41(9):2311-2321. doi: 10.1007/s00345-023-05307-2. Epub 2023 Aug 24. PMID: 37624177.
* Reddivari K, Singh M, Ramphul K. Guideline of guidelines: a critical analysis of current guidelines for the diagnosis and treatment of acute epididymo-orchitis. J Pak Med Assoc. 2022 Mar;72(3):570-573. doi: 10.47391/JPMA.3820. PMID: 35790757.
* Yang C, Luks FI. Acute Scrotum: Testicular Torsion, Epididymitis, and Other Causes. Surg Clin North Am. 2022 Dec;102(6):1047-1055. doi: 10.1016/j.suc.2022.08.003. Epub 2022 Sep 27. PMID: 36384725.
* Granados EA, Chen M, Ramaswamy A, Sethi A, Roldan F, Alani A, Cahn R, Barone J. Epididymitis: diagnosis and management. Transl Androl Urol. 2020 Aug;9(4):810-817. doi: 10.21037/tau.2019.10.19. PMID: 32958434; PMCID: PMC7468875.
* Moro F, Pippi L, Boni G, Perazzi A, Volpini L, Simonetti G. Acute Scrotal Pain in the Adult: When it is not Testicular Torsion or Epididymitis? Ultrasound Med Biol. 2020 Nov;46(11):2917-2926. doi: 10.1016/j.ultrasmedbio.2020.06.002. Epub 2020 Jun 20. PMID: 32578051.
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