Properties and Uses:Tonic, febrifuge and anti-asthmatic. When a preparation of Quebracho or Aspidosperma is indected into the circulation, the rate and depth of the respiration increases largely, apparently due to direct action on the respiratory centre, and the blood-pressure falls. Aspidosperma is used in medicine for the relief of various types of dyspnoea, especially in emphysema and in asthma. It is not generally useful to. interrupt the paroxysm, but, as a rule, if used continuously, it will reduce the frequency and severity of attacks.
Quebracho Blanco BARK