In this double-blind, placebo-controlled study, the effects of Butterbur extract were compared to fexofenadine (Allegra) for perennial nasal allergies. Sixteen patients were given either Butterbur extract for a week or fexofenadine in the cross-over study. Three measures of effectiveness were…
Patients who met the International Headache Society criteria for a migraine, were ages 18 to 65, and had at least two to six attacks per month over the preceding 3 months, were treated with Butterbur extract at various dosages to…
Subjects included 64 adults and 16 children/adolescents treated for two months with the extract, followed by two months during which the intake of the extract was optional. Concomitant asthma medication was permitted. The number, duration, and severity of asthma attacks…
In previous studies, two randomized and placebo-controlled trials with a total of 289 migraine patients have demonstrated the efficacy and safety of a special butterbur root extract in the reduction of migraine attacks in adults. In this study, researchers focused…
