Xing Su San

Overview

Xing Su San originates from The Detailed Analysis of Warm Diseases, written by Qing dynasty physician Wu Jutong in China, and is a commonly used formula for external invasion by cool dryness and failure of the lung Qi to diffuse.


Formula Composition

Common ingredients include Su Ye, Xing Ren, Ban Xia, Fu Ling, Qian Hu, Jie Geng, Zhi Ke, Chen Pi, Gan Cao, Sheng Jiang, and Da Zao.

Note: The specific ingredient proportions may vary among different sources and dosage forms; please follow the instructions for the actual product.


Traditional Actions and Indications

Traditionally used for manifestations such as cough, nasal congestion, headache, aversion to cold, scant and relatively thin phlegm, or throat dryness that occur after exposure to cool autumn weather or a dry environment. Modern applications commonly include cough with a tendency toward cool dryness in some upper respiratory tract infections or after a cold.


Precautions

  • People with heat-predominant manifestations such as high fever, yellow and thick phlegm, or pronounced sore throat should not use it without professional guidance.
  • The cause should first be determined in cases of persistent cough, wheezing, or recurrent respiratory symptoms.
  • Pregnant women, breastfeeding women, children, older adults, and people with chronic diseases are advised to consult a professional before use.
  • Use different dosage forms according to the instructions for the specific product.