paroxysmal Hemicrania
MONDO:0015529Mondo
Findings
No curated finding names paroxysmal Hemicrania yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Paroxysmal hemicrania (PH) is a primary headache disorder characterized by multiple attacks of unilateral pain that occur in association with cranial autonomic symptoms. The hallmarks of this syndrome are the relative shortness of the attacks and the complete response to indomethacin therapy.
Definition from the Mondo Disease Ontology (MONDO:0015529), read 2026-09-29. CC BY 4.0.
Features
19 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.
- MigraineHPOHP:0002076
- Very frequent (80% to 99% of cases)
- Recurrent paroxysmal headacheHPOHP:0002331
- Very frequent (80% to 99% of cases)
- Conjunctival hyperemiaHPOHP:0030953
- Frequent (30% to 79% of cases)
- EpiphoraHPOHP:0009926
- Frequent (30% to 79% of cases)
- FlushingHPOHP:0031284
- Frequent (30% to 79% of cases)
- PhonophobiaHPOHP:0002183
- Frequent (30% to 79% of cases)
- PhotophobiaHPOHP:0000613
- Frequent (30% to 79% of cases)
- PtosisHPOHP:0000508
- Frequent (30% to 79% of cases)
- RhinitisHPOHP:0012384
- Frequent (30% to 79% of cases)
- RhinorrheaHPOHP:0031417
- Frequent (30% to 79% of cases)
- Diabetes mellitusHPOHP:0000819
- Occasional (5% to 29% of cases)
- Focal sensory seizure with olfactory featuresHPOHP:0011161
- Occasional (5% to 29% of cases)
Reported absent (2)
- Cluster headacheHPOHP:0012199
- Trigeminal neuralgiaHPOHP:0100661
Show the remaining 7
- HypertensionHPOHP:0000822
- Occasional (5% to 29% of cases)
- MiosisHPOHP:0000616
- Occasional (5% to 29% of cases)
- Nausea and vomitingHPOHP:0002017
- Occasional (5% to 29% of cases)
- Neck painHPOHP:0030833
- Occasional (5% to 29% of cases)
- Palpebral edemaHPOHP:0100540
- Occasional (5% to 29% of cases)
- Restless legsHPOHP:0012452
- Occasional (5% to 29% of cases)
Where it sits
- A kind of