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Fig. 4 | BMC Neurology

Fig. 4

From: The burden of medication overuse headache and patterns of switching and discontinuation among triptan users: a systematic literature review

Fig. 4

BCS, WCS and discontinuations by country and medication class. Abbreviations: BCS = between class switches; DC = discontinuers; EU = Europe; NSAID = nonsteroidal anti-inflammatory drug; PS = persistent users; WCS=Within class switches. Note: *Included UK, Germany, and France, +further details about switching patterns were only descried among patients with 1 switch during the follow-up period

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BMC Neurology

ISSN: 1471-2377

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