Chlamydia

Chlamydia is most common STD, if you don’t count HPV. It’s caused by Chlamydia trachomatis serotypes D-K. It may progress to pelvic inflammatory disease.

Clinical features

90% of affected people are asymptomatic. Possible symptoms in women include:

• Urethritis with dysuria
• Mucopurulent discharge
• Postcoital bleeding

Men may experience prostatitis and epididymitis.

Diagnosis and evaluation

PCR of vaginal swab.

Treatment

Single dose 1 g PO azithromycin or doxycyclin for 7 days.

Complications

Reiter syndrome/reactive arthritis is a complication of many bacterial infections, most commonly after chlamydia. It’s associated with HLA-B27 and mostly affects young males. It’s characterised by a clinical triad of:

• Arthritis
• Conjunctivitis
• Urethritis