Types
                                            - Classic triad of reactive arthritis - Urethritis, Conjunctivitis, and Arthritis, but it manifests in only about a third of affected individuals
 - The clinical manifestations constitute a wide spectrum that ranges from an isolated, transient monoarthritis to severe multisystem disease.
 
Articular features 
- Oligoarthritis (sometimes polyarthritis)
 
Acute onset
Often asymmetrical with a migratory character
Occurs predominantly in the lower extremities (knee, ankle, subtarsal, metatarsophalangeal, toe interphalangeal joints are most commonly involved) 
- Sacroilitis
 - Enthesitis
 - Dactylitis
 
 Extra‑articular symptoms
- Sterile Conjunctivitis – most common lesions
 - Anterior uveitis, scleritis, keratitis or corneal ulcer may be seen
 - Non specific enteritis – presents with abdominal pain and diarrhoea
 - Sterile pyuria and urethritis
 - Oral ulcers 
 
Skin 
- Circinte balanitis: Vesicles on glans that rupture to form painless superficial erosions
 - Keratoderma blenorrhagicum: hyperkeratinization of the palms and soles , resembles Psoriasis
 
Nail changes 
- Onycholysis
 - Distal yellowish discolouration
 - Heaped up hyper keratosis
 
Symptoms from preceding infection 
- Diarrhoea
 - Urogenital tract symptoms (dysuria, pelvic pain, urethritis, prostatitis)