Histamine cephalalgia--an often overlooked cause of headache.
D000328:Adult; D003888:Desensitization, Immunologic; D003937:Diagnosis, Differential; D004878:Ergotamine / Q000627:therapeutic use; D006261:Headache / Q000188:drug therapy / Q000209:etiology*; D006636:Histamine Release; D006801:Humans; D008297:Male; D008875:Middle Aged
D004878:Ergotamine