Pleurisy Root Extract acts as antispasmodic, diaphoretic, expectorant, tonic, carminative and mildly cathartic. From early days this Asclepias has been regarded as a valuable medicinal plant. It possesses a specific action on the lungs, assisting expectoration, subduing inflammation and exerting a general mild tonic effect on the system, making it valuable in all chest complaints. It is of great use in pleurisy, mitigating the Discomfort and relieving the difficulty of breathing, and is also recommended in pulmonary catarrh. It has also been used with great advantage in diarrhoea, dysentery and acute and chronic rheumatism, in low typhoid states and in eczema. It is claimed that the drug may be employed with benefit in flatulent colic and indigestion, but in these conditions it is rarely used. In large doses it acts as an emetic and purgative.