Da Chai Hu Tang

Overview

Da Chai Hu Tang originates from Zhang Zhongjing’s Shang Han Lun and is a classic formula for harmonizing the Shaoyang and purging interior heat accumulation.


Formula Composition

Common ingredients include Chai Hu, Huang Qin, Bai Shao, Ban Xia, Sheng Jiang, Zhi Shi, Da Zao, and Da Huang.

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


Traditional Actions and Indications

Traditionally used for manifestations of Shaoyang disorder with interior excess, including alternating chills and fever, severe fullness and discomfort in the chest and hypochondrium, pain below the heart or in the abdomen, nausea and vomiting, and constipation.


Precautions

  • This formula contains Da Huang and has strong medicinal effects; it should not be routinely self-administered for the common cold or constipation.
  • Persistent severe pain in the right upper or right lower abdomen, fever, or recurrent vomiting may indicate acute conditions such as cholecystitis or appendicitis and requires prompt medical attention.
  • Pregnant women, children, older adults who are frail, and people with diarrhea should not use it without professional guidance.
  • Use different preparations according to their package instructions.