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hou tsao powder

Development stage: Unknown
Lead developer: Wai Yuen Tong
Administration: Oral

Overview

Hou Tsao Powder is a traditional Chinese medicine (TCM) formulation primarily marketed by Wai Yuen Tong, a subsidiary of the Wang On Group. The product's key active ingredient is Monkey Bezoar (Calculus Macacae), which is traditionally valued in Chinese medicine for its ability to clear heat, transform phlegm, and arrest coughing. It is specifically indicated for pediatric use to treat symptoms such as persistent phlegm, cough, and mild fever associated with respiratory distress. As a proprietary Chinese medicine (pCM), it is sold as an over-the-counter consumer healthcare product rather than an investigational drug undergoing conventional clinical trial phases.

Brand names: Wai Yuen Tong Hou Tsao PowderHou Tsao Powder
Other names: Monkey Bezoar PowderCalculus Macacae Powderhou tsao san

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