Medically reviewed guide · Last updated: 1 August 2026 · Reading time: approx. 8 min

Testicular Pain: When It Is an Emergency — and When It Is Not

The most common causes compared

This situation deliberately comes right at the front, because here hours decide whether the testicle can be saved. It is rare — the great majority of testicular pain has more harmless causes and time for an appointment.

The causes in detail

Testicular torsion: the time-critical emergency

The testicle turns around the spermatic cord: first the venous outflow backs up, then the arterial supply dries up. Typical features are an onset out of complete rest, a testicle that sits high or lies crosswise, a swollen scrotum, as well as nausea and abdominal pain. In boys it sometimes shows itself only as abdominal pain — which is why an examination of the scrotum is always part of assessing acute lower abdominal pain in childhood.

Epididymitis: the slow onset

The most common cause of longer-lasting testicular pain in adults. Unlike torsion, it begins slowly over hours to days: the epididymis at the back of the testicle swells and becomes painful under pressure, and the skin can redden. Fever and burning when passing urine often come with it.

The organisms usually come from the urinary tract, and a link with a urinary tract infection is common. In younger men chlamydia matter, in older men bowel bacteria are more likely, often with an enlarged prostate and residual urine. The swelling goes down more slowly than the pain — a remaining lump over weeks is not a treatment failure, but it does need checking.

Inguinal hernia: the pain comes from above

With an inguinal hernia, abdominal contents push through a gap in the abdominal wall. Typical is a dragging in the groin that radiates into the scrotum, increases on lifting, coughing or straining and eases when lying down; often a soft bulge that can be pushed back is palpable. If it can no longer be pushed back, becomes hard and very painful, bowel may be trapped — that is an emergency.

Varicocele: the “bag of worms”

A varicocele is varicose veins at the testicle: widened veins of the spermatic cord, predominantly on the left. What you feel when standing is classically described as a “bag of worms”, and lying down it often disappears. The symptoms are a dull dragging and a feeling of heaviness that increases when standing — not an acute pain.

It is relevant because it can affect sperm quality — an issue when a couple is trying to conceive — and because in adolescents it can slow the growth of the testicle. Treatment is usually given only if there are symptoms, an abnormal semen analysis or a difference in size. A newly appeared varicocele on the right in an older man needs looking into.

Renal colic: the pain radiates

Kidney stones make themselves felt as waves of extremely severe flank pain travelling along the ureter into the groin and testicle. Characteristic is the restlessness: people affected cannot find any position in which it gets better. The testicle itself is unremarkable and not tender to pressure.

Chronic testicular pain and pain after a vasectomy

If testicular pain lasts longer than about three months without a clear cause being found, this is called chronic testicular pain — a real and frequently underestimated complaint. Some of it occurs after a vasectomy, some after groin operations or without any identifiable trigger; pain can also be referred there from the spine or the pelvic floor. Treatment is stepwise: assessment, conservative measures, pelvic floor therapy, medication to modulate the pain, and surgery in selected cases. Not everyone becomes pain-free, but the burden can usually be reduced considerably.

Prostatitis: the common mix-up

An inflammation of the prostate causes a deep, dull dragging in the perineum that radiates into the testicles, the groin or the sacrum, together with problems when passing urine, when sitting and when ejaculating. If you locate the pain more “at the back and deep down” than “in the testicle”, that is a useful clue for the practice. The acute bacterial form comes with a high fever and needs treating quickly.

Other causes

• Injuries — after blunt force with persistent pain and swelling, a rupture of the testicle has to be ruled out. That is time-critical.
• Mumps orchitis — inflammation of the testicle as a complication of mumps; vaccination protects against it.
• After groin or pelvic operations — scarring and nerve irritation can still cause symptoms years later.

Self-examination: five minutes worth taking

Testicular cancer is the most common malignant tumour in men between roughly 20 and 40 years of age. Two things belong side by side here: it is rare overall — and when found early it is very treatable. What matters here: it does not usually hurt, but shows up as a palpable, hard, painless lump or as a change of size on one side. Anyone who only looks out for pain will not find it.

1. After a shower. Warm water relaxes the scrotum; examine yourself standing up.
2. One testicle after the other. Roll it gently between your thumb, index and middle finger. The surface should be smooth and the consistency evenly firm and elastic.
3. Learn to recognise the epididymis. At the back, towards the top, you will feel a softer, curved cord — that is the epididymis, not a lump.
4. Watch for differences. One testicle is usually slightly larger and hangs lower — that is normal. What matters is the change from what you know.
5. Have anything unusual checked. A hard lump, one side getting bigger, a new feeling of heaviness or firmness: have it looked at by a urologist. An ultrasound takes a few minutes.

Warning signs: when not to wait

• Sudden, severe one-sided testicular pain — especially out of sleep, with nausea and vomiting
• The testicle sits higher than usual or lies crosswise, the scrotum is markedly swollen
• Acute lower abdominal pain in boys and adolescents — even without testicular pain
• Pain with a high fever and a severe sense of illness
• Persistent pain and swelling after an injury
• A bulge in the groin that cannot be pushed back and is hard and painful
• A newly palpable hard lump at the testicle — even if it does not hurt

The treatment pathway: step by step

Away from the emergency, the work-up follows an orderly course; the treatment decision is taken by the practice looking after you.

1. Rule out the emergency. The first question is always: sudden and severe, or building up slowly? With the first pattern it is straight to hospital.
2. Urological examination. Examination by hand, a urine test, if needed a swab for sexually transmitted organisms and an ultrasound with a blood flow measurement — done within a few minutes.
3. Basic measures from day one. Elevating the scrotum — lying down with a rolled-up towel, during the day with close-fitting underwear. Cooling with a cool pack wrapped in a cloth, several times a day for about 15 minutes, never directly on the skin. With inflammation, taking it easy as well.
4. Targeted treatment of the cause. Antibiotics for epididymitis, surgery for an inguinal hernia, pain and stone treatment for kidney stones.
5. Arrange a follow-up check. Particularly important after an inflammation — to confirm that the swelling has gone down and not to miss a tumour behind it. If the assessment finds nothing, a structured plan helps more with chronic symptoms than isolated attempts on your own.

The medication angle: finish the course

Antibiotics over weeks — do not stop after three days

Epididymitis is usually treated with antibiotics over several weeks, not over a few days. Depending on the organism and your age, ciprofloxacin or doxycycline may be options; the choice is made by the practice. The tricky part: the pain often improves after a few days while the inflammation has not yet healed. Stopping at that point risks a relapse. The prescribed duration applies, even if you have been feeling better for a while — there is guidance in the guide Taking antibiotics correctly.

Painkillers as a bridge, not a solution

Anti-inflammatory painkillers such as ibuprofen dampen both the pain and the inflammatory reaction. They bridge the time until the treatment of the cause takes effect — they do not replace it. Over the counter they are intended for a few days of self-treatment; if you need them for longer, that should be medically supervised. There is context in the painkillers compared guide.

Treating sexual partners as well

If a sexually transmitted cause such as chlamydia is likely, all sexual partners from the past few weeks have to be treated as well — even without symptoms. Otherwise there is a ping-pong effect with repeated reinfection. Protected sex is advised until the treatment has finished.

What else from your medication list is relevant

• Testosterone preparations and anabolic steroids — they suppress the body's own hormone production and can shrink the testicles.
• Medicines for an enlarged prostate such as tamsulosin — emptying the bladder better indirectly lowers the risk of infections rising up.
• Medicines for erectile dysfunction such as sildenafil — they belong on every medication list, because the combination with nitrates is dangerous.

How to prevent testicular pain

• Examine yourself once a month — five minutes after a shower. The most important effect: you know what is normal for you.
• Use condoms — the most effective protection against sexually transmitted organisms, one of the most common causes of epididymitis.
• Finish antibiotic courses — half a course is the most common route to a relapse.
• Raise symptoms early — embarrassment only drags things out; for a urology practice this is everyday work.

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