Pelvic Inflammatory Disease

Obstetrics & Gynecology

Ascending infection of upper genital tract; chlamydia, gonorrhoea, anaerobes.

History taking

  • Lower abdominal pain, abnormal discharge, dyspareunia, fever, IMB / PCB

Examination

  • Cervical motion tenderness, adnexal tenderness

Red flags

  • Haemodynamic instability
  • Rapid deterioration
  • Severe pain or new neurological deficit

Differential diagnosis

  • See differentials section per chief complaint

Recommended investigations

  • NAAT for chlamydia / gonorrhoea, HIV, syphilis
  • Pregnancy test, β-hCG

Diagnosis

  • Clinical diagnosis supported by targeted investigations

Initial treatment / management

  • Treat underlying cause
  • Symptomatic relief
  • Patient education

Drug therapy

  • Ceftriaxone 1 g IM single + doxycycline 100 mg BD × 14 d + metronidazole 400 mg BD × 14 d

Follow-up advice

  • Review in 2–4 weeks or earlier if worsening
  • Monitor response to therapy and adverse effects

Patient counselling

  • Partner notification & treatment, condom use
  • Risk of infertility, ectopic, chronic pain

Referral criteria

  • Refer if diagnostic uncertainty, complications, or failure of first-line therapy

References

  • Harrison's Principles of Internal Medicine, 21e
  • NICE / WHO guidelines (current edition)

Educational outpatient guide — verify against local guidelines before clinical use.

WardRound

WardRound

Clinical Decisions in Seconds