paroxysmal Hemicrania https://rarediseases.info.nih.gov/diseases/10794/paroxysmal-hemicrania https://www.malacards.org/card/paroxysmal_hemicrania Orphanet:157835 MEDGEN:235603 ICD9:339.03 SCTID:443094001 MESH:D051302 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. MedDRA:10019461 GARD:0010794 UMLS:C1399352 icd11.foundation:959737563 MONDO:0015529 EFO:1001822 trigeminal autonomic cephalalgia