6.1
SS — Key Facts & Diagnosis
Guidelines for Management of Sexually Transmitted Infections, 5th Edition, 2025. Chapter 6, Acute Scrotal Swelling (SS).

Clinical description
- Main symptoms: acute, one-sided pain and swelling of the scrotum. ± tenderness of epididymis/testis/vas deferens, reddening/oedema of scrotal skin, urethral discharge, fever.
- Sexually transmitted causes: Neisseria gonorrhoea, Chlamydia trachomatis (most common in men under 35).
- Non-STI causes: E. coli, S. haematobium, mumps orchitis, M. tuberculosis.
- Testicular torsion, trauma and inguinal hernia are surgical emergencies — refer immediately if these cannot be ruled out.
Treatment
After ruling out surgical emergency, always prescribe complete syndromic treatment. For severe pain/swelling: bed rest, elevate scrotum, cold compresses, analgesics. Review after 3–7 days. Investigate for TB if no improvement (Xpert on urine/semen).
Standard syndromic treatment for SS
- Ceftriaxone 500 mg IM stat.
- Azithromycin 1000 mg oral stat.
- Ciprofloxacin 500 mg oral BD for 10 days.
Partner treatment
Partner treatment (asymptomatic)
- Ceftriaxone 500 mg IM stat + azithromycin 1000 mg oral stat + doxycycline 100 mg oral BD for 7 days.
At every visit
HIV & ART status
- Ascertain HIV + ART status from health passport or self-report.
- Offer new HIV test for all unless previously diagnosed. Do not use coercion.
- New positive: active referral for ART initiation.
- New negative: refer/offer PrEP, VMMC, consistent condom use.
- Known positive: reinforce ART adherence or refer for re-initiation.
Hepatitis B
- Offer HBV rapid test for all patients born before 2002.
- HBsAg negative: refer for HBV vaccination unless previously completed 3 doses.
- HBsAg positive: refer for clinical and treatment assessment.
Syphilis screening
- Offer syphilis rapid test for concurrent asymptomatic syphilis (except in GUD/ARI where it does not influence treatment decisions).
Risk reduction & condoms
- Risk reduction counselling. Promote and dispense condoms.
- Promote VMMC for all non-circumcised men. Schedule appointment in 2 weeks.
Check doses against the printed guideline and your clinical judgement before treating a patient. Spotted an error? Report it from the contact links below.
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