Different types of swelling for testicle—how to tell the difference
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Published on April 12, 2026 at 1:50 AM
🩺 Medically reviewed by the Health Decoded Guide Editorial Team ·Last reviewed: July 2026
🔍 Quick Breakdown
If you notice say one side of your scrotum (d bag wey carry d testicles) don swell, e fit make you panic.
But no be every swelling na cancer or emergency.
Three common causes na varicocele, hydrocele and spermatocele. Even though dem fit look alike, dem no be the same thing.
👉🏾 Knowing the difference fit help you understand wetin fit dey happen, but only proper examination fit confirm the cause.
🟧 Why testicle fit swell?
Different things fit make the scrotum swell.
Sometimes na because:
• fluid gather
• veins become enlarged
• small fluid-filled sac grow
• infection or injury happen
👉🏾 The way the swelling feel and the symptoms wey follow am fit give small clue about the cause.
🟧 Wetin be Varicocele?
Varicocele happen when the veins wey carry blood from the testicle become enlarged, just like varicose veins for leg.
People often describe am like:
"bag of worms."
You fit notice:
• swelling mostly for d left side
• dull aching pain after standing long
• heaviness inside the scrotum
• swelling wey reduce when lying down
👉🏾 Varicocele fit affect sperm production for some men, so doctor fit recommend assessment if fertility dey become concern.
🟧 Wetin be Hydrocele?
Hydrocele happen when clear fluid gather around d testicle.
Instead of veins, na fluid cause the swelling.
You fit notice:
• smooth swelling around d testicle
• usually no pain
• scrotum fit become bigger gradually
• feeling of heaviness if e become very large
👉🏾 Hydrocele usually no affect fertility, but large ones fit become uncomfortable.
🟧 Wetin be Spermatocele?
Spermatocele na small sac wey contain fluid and sperm.
E usually grow near d top or behind the testicle.
Most times:
• e no dey painful
• e feel like small lump separate from the testicle
• e dey grow slowly
• many people discover am by chance
👉🏾 Spermatocele usually harmless and often no need treatment unless e cause discomfort.
🟧 How dem different?
Sometimes all three fit cause swelling, but dem no behave the same way.
| Condition | Wetin usually dey happen |
|---|---|
| Varicocele | Veins around d testicle swell up (e fit feel like "bag of worms"), e dey mostly happen for left side and fit cause dull pain or affect fertility. |
| Hydrocele | Water (fluid) gather around d testicle, causing smooth swelling wey usually no dey pain. |
| Spermatocele | Small fluid-filled cyst dey form near the top or back of the testicle. E usually no dey pain and no dey affect fertility. |
👉🏾 Even doctor sometimes need examination or ultrasound to know d exact cause.
🟧 Wetin doctor fit do?
Doctor fit:
• examine d scrotum
• ask when d swelling start
• check whether e painful
• request ultrasound if necessary
Treatment depend on d cause.
Sometimes:
• no treatment needed
• regular monitoring enough
• surgery fit be recommended if symptoms become serious
👉🏾 No be every swelling need operation.
🟧 Real Life Example
Ibrahim notice say him left testicle dey look bigger than before.
Anytime he stand for long or play football, e begin feel small dragging pain.
Him fear say na cancer.
When doctor examine am and do ultrasound, dem discover say na varicocele.
Doctor explain d condition, discuss treatment options and reassure am say no be cancer.
👉🏾 Many scrotal swellings turn out to be harmless, but examination still dey important.
🟧 When you suppose see healthcare professional 🚨
Arrange medical appointment if:
• you notice any new swelling for your scrotum
• the swelling dey gradually increase
• you get heaviness or discomfort
• you and your partner dey find am difficult to get pregnancy
• you no sure wetin the lump be
Go hospital immediately if:
• severe testicle pain suddenly start
• one testicle suddenly swell within few hours
• swelling happen after serious injury
• you get fever together with painful swollen testicle
• d testicle become red, very tender or difficult to touch
👉🏾 Sudden severe testicle pain fit mean testicular torsion, wey be medical emergency because blood supply to d testicle fit stop.
🟧 Final reassurance
Feeling new swelling for your testicle dey scary, but plenty causes dey treatable.
The important thing na make healthcare professional examine any new swelling for your testicle.
👉🏾 No ignore any new lump or swelling for the scrotum, even if e no dey painful.
📚 Reference
For full medical references, see English version of this article.
⚠️ Disclaimer
This article na for education only.
E no replace advice from doctor.
If symptoms serious or no go, abeg see healthcare professional.
🔗Related Health Topics
• Testicular lump
• Male Infertility
• Male hormonal Imbalance
• Testicular pain
• Testicular Torsion
🔥👉🏽 If you still get questions or prefer full medical detail? Read English version