ACUTE SCROTAL SWELLING (TORSION, TRAUMA, OR INFECTION)
WHAT THIS SYMPTOM USUALLY MEANS
Sudden swelling of the scrotum indicates trauma, infection, or testicular torsion—all requiring rapid evaluation.
MOST COMMON CAUSES
MILD
• Minor trauma
• Insect bite
MEDICAL
• Orchitis
• Epididymitis
• Hematoma
• Allergic reaction
EMERGENCY
• Testicular torsion
• Scrotal abscess
• Severe infection
RED FLAGS
• Sudden pain
• Dark or purple scrotum
• Crying when touched
• Vomiting
• If unsure, treat as urgent.
AT-HOME CARE
None—torsion requires urgent surgery.
WHAT A VETERINARIAN WILL CHECK
• Scrotal ultrasound
• Blood flow assessment
• CBC
• Culture
MOST LIKELY DIAGNOSES
• Trauma
• Infection
• Torsion
• Abscess
WHEN TO SCHEDULE A VISIT
Immediate: severe swelling or pain
Today: mild swelling
LONGEVITY IMPACT
Torsion and infection cause rapid systemic illness.
LONGEVITY CONSULT
Important after treatment for long-term health.