22 Chapter 1 Figure 5a. Timing of triptan or ditan intake should occur at the onset of headache symptoms. Figure 5b. Treatment of recurrences in perimenstrual attacks – taking a second triptan. 50 mg, the dosage should be increased. In addition to treatment with a triptan or ditan, a long-acting NSAID, such as etoricoxib (90 mg), can be added before the night (Figure 5c). An alternative treatment can be eletriptan 40 or 80 mg, which has a slightly longer half-life (Figure 5d). Frovatriptan has the longest half-life and theoretically should work best to prevent recurrences. However, in practice, this drug is less potent
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