Hemicrania continua for the headache. When the symptoms of hemicrania continua are present, it's considered "diagnostic" if they respond completely to indomethacin. The efficacy of indomethacin may not be long term for all patients, as can eventually become ineffective. The factor that allows hemicrania continua and its exacerbations to be differentiated from migraine and cluster headache is that hemicrania continua is completely responsive to indomethacin. Triptans and other abortive medications do not affect hemicrania continua. In addition to persistent daily headache of HC, which is usually mild to moderate (and frequently severe), HC can present other symptoms. These additional symptoms of HC
Common firecrest Latin "regulus", a diminutive of "rex", "a king", and refer to the characteristic orange or yellow crests of adult kinglets. The common firecrest was first formally described by Dutch zoologist Coenraad Jacob Temminck in 1820 as "Sylvia ignicapilla"; the relatively late identification of this common European bird arose from a perception that it was just a variety of the goldcrest. The species name is derived from Latin "ignis" "fire" and "capillus" "hair". The binomial is frequently given as "R. ignicapillus" due to a misunderstanding of Latin grammar. There are two widely recognised subspecies of common firecrest, nominate "R. i. ignicapilla"