Sexual Health  |  Chlamydia Pathway - Differential diagnosis

Sexual Health

Chlamydia Pathway - Differential diagnosis

Consider the following differential diagnoses.


  • causes of abdominal pain:
    • urinary tract infection (UTI)
    • ectopic pregnancy
    • acute appendicitis
    • endometriosis
    • complications of an ovarian cyst, eg torsion or rupture
    • irritable bowel syndrome (IBS)
    • functional pain, eg ovulation pain, dysmenorrhoea
  • causes of altered vaginal discharge:
    • infective non-sexually transmitted:
      • bacterial vaginosis
      • candida
  • infective sexually transmitted:
    • Neisseria gonorrhoeae
    • Trichomonas vaginalis
    • Herpes simplex virus (HSV)
  • non-infective:
    • foreign bodies, eg retained tampons, condoms
    • cervical polyps and ectopy
    • genital tract malignancy
    • fistulae
    • allergic reactions


  • urethritis - chlamydia, gonorrhoea, trichomonar vag, mycoplasma gen., HSV
  • physiological discharge – small amounts of clear or mucoid discharge upon sexual excitement
  • balanitis
  • acute prostatitis
  • urinary tract infection (UTI) – cystitis, orchitis, or epididymitis.

Last updated : Monday, April 09, 2018
Next review date : Tuesday, April 09,2019

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