Aspidosperma quebracho Common name: White Quebracho
Parts used: Bark
Constituents: Indole alkaloids (the most active of which is quebrachine or yohimbine), rhazinilam, tannins, sugars, sterols.
Medicinal actions: Anti-asthmatic, tonic, febrifuge, stimulating expectorant
Medicinal use: Dyspnea, pale face, anxiety, cyanotic lips, feeble irregular pulse, cardiac palpitations with cough. Quebracho increases the rate and depth of respiration and thus relieves dyspnea associated with emphysema and asthma. It is best indicated long-term to reduce the frequency and severity of asthmatic events and relief of wet cough.
Pharmacy: Tincture: 0.5-1.5 ml TID
Toxicity: The irritating effect of these agents in the gut that stimulates cough can also if the dose is excessive induce nausea & vomiting.
Interactions: None known.
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