Petasites hybridus (Butterbur root) extract in the treatment of asthma--an open trial.

@article{Danesch2004PetasitesH,
  title={Petasites hybridus (Butterbur root) extract in the treatment of asthma--an open trial.},
  author={Ulrich C Danesch},
  journal={Alternative medicine review : a journal of clinical therapeutic},
  year={2004},
  volume={9 1},
  pages={54-62}
}
The efficacy and tolerability of a butterbur root extract (Petadolex) for the treatment of asthma was analyzed in a prospective, non-randomized, open trial. 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… CONTINUE READING