Table 3.

2009–2013 popularity index of drugs for treatment of migraine

Name	Number of articles	Popularity index (%)*
Sumatriptan#	277	4.5
Topiramate	246	4.0
Divalproex	104	1.7
Amitriptyline#	67	1.1
Dihydroergotamine#	67	1.1
Rizatriptan	66	1.1
Propranolol#	65	1.1
Naproxen#	61	1.0
Ergotamine#	58	1.0
Aspirin#	57	0.9
Zolmitriptan	57	0.9
Acetaminophen#	54	0.9
Almotriptan	52	0.8
Frovatriptan	50	0.8
Flunarizine	40	0.6
Gabapentin	39	0.6
Ibuprofen#	36	0.6
Naratriptan	29	0.5

Notes:

^*Share of all (6,111) migraine-subfield publications in 2009–2013

^#MeSH term. The following drugs did not reach the 2008–2013 threshold of 0.5% for the whole subfield of migraine: eletriptan 0.4, lamotrigine 0.4, carbamazepine 0.4, verapamil 0.4, metoprolol 0.3, methysergide 0.2, timolol 0.2, fluoxetine 0.2, pregabalin 0.2, atenolol 0.1.

Abbreviation: MeSH, Medical Subject Headings.