reactive arthritis
MONDO:0017376Mondo
Findings
No curated finding names reactive arthritis yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Reactive arthritis (ReA) is an autoimmune disorder belonging to the group of seronegative spondyloarthropathies and is characterized by the classic triad of arthritis, urethritis and conjunctivitis.
Definition from the Mondo Disease Ontology (MONDO:0017376), read 2026-09-29. CC BY 4.0.
Features
36 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- Abnormal nail morphologyHPOHP:0001597
- Very frequent (80% to 99% of cases)
- ArthralgiaHPOHP:0002829
- Very frequent (80% to 99% of cases)
- ArthritisHPOHP:0001369
- Very frequent (80% to 99% of cases)
- Cartilage destructionHPOHP:0100773
- Very frequent (80% to 99% of cases)
- Cognitive impairmentHPOHP:0100543
- Very frequent (80% to 99% of cases)
- ConjunctivitisHPOHP:0000509
- Very frequent (80% to 99% of cases)
- DiarrheaHPOHP:0002014
- Very frequent (80% to 99% of cases)
- Dystrophic fingernailsHPOHP:0008391
- Very frequent (80% to 99% of cases)
- EnthesitisHPOHP:0100686
- Very frequent (80% to 99% of cases)
- HyperkeratosisHPOHP:0000962
- Very frequent (80% to 99% of cases)
- Joint stiffnessHPOHP:0001387
- Very frequent (80% to 99% of cases)
- Joint swellingHPOHP:0001386
- Very frequent (80% to 99% of cases)
Show the remaining 24
- OsteomyelitisHPOHP:0002754
- Very frequent (80% to 99% of cases)
- PustuleHPOHP:0200039
- Very frequent (80% to 99% of cases)
- Recurrent aphthous stomatitisHPOHP:0011107
- Very frequent (80% to 99% of cases)
- Abdominal painHPOHP:0002027
- Frequent (30% to 79% of cases)
- Abnormal pleura morphologyHPOHP:0002103
- Frequent (30% to 79% of cases)
- Inflammation of the large intestineHPOHP:0002037
- Frequent (30% to 79% of cases)
Where it sits
Other names
8 names
Resolves to: reactive arthritis
- Also called
- arthritis urethriticaFiessinger-Leroy diseaseFiessinger-Leroy-Reiter syndromepolyarthritis entericaReiter syndromeReiter's diseaseReiter's syndromevenereal arthritis