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4.1

AVD — Key Facts & Diagnosis

Guidelines for Management of Sexually Transmitted Infections, 5th Edition, 2025. Chapter 4, Abnormal Vaginal Discharge (AVD).

Figure from the guideline
Figure, page 31 of the printed guideline. Open the image to zoom.

Clinical description

  • Main symptoms: vaginal discharge with abnormal quantity/consistency/colour/odour. ± itching, soreness, swelling, dyspareunia, dysuria. ± lower abdominal/pelvic pain (if present, manage as LAP).
  • Sexually transmitted causes: Trichomonas vaginalis, Neisseria gonorrhoea, Chlamydia trachomatis — can spread to upper genital tract causing PID.
  • Non-sexually transmitted causes: Candida albicans, bacterial vaginosis (foul odour), genital schistosomiasis.
  • Use sexual risk assessment to distinguish STI from non-STI causes. High STI risk: partner has STI symptoms and/or recent condomless sex with high-risk partner(s), or any sign of cervical infection.
  • Routine syphilis screening is useful in women with AVD to diagnose asymptomatic syphilis.

Treatment

Always perform pelvic/abdominal palpation and speculum exam for women with AVD to rule out cervical cancer and PID. Follow LAP management if any tenderness is present.

High STI risk / cervicitis — standard treatment

  • Ceftriaxone 500 mg IM stat.
  • Azithromycin 1000 mg oral stat.
  • Metronidazole 400 mg oral BD for 5 days.

Low STI risk / no cervicitis — standard treatment

  • Metronidazole 400 mg oral BD for 5 days.
  • If thick/cream discharge, burning/swelling: add clotrimazole 500 mg vaginal pessary stat.

Return if not resolved after 5 days. Add praziquantel 40 mg/kg if compatible with genital schistosomiasis.

Partner treatment

Partner treatment (asymptomatic)

  • Low STI risk: no routine treatment for partners.
  • High STI risk / cervicitis: ceftriaxone 500 mg IM stat + azithromycin 1000 mg oral stat + metronidazole 2000 mg oral stat.

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.

Tables and figures

Figure from the guideline
Table, page 32 of the printed guideline. Open the image to zoom.

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