Gegen Decoction comes from Treatise on Febrile Diseases and Miscellaneous Diseases. It is the work of Zhang Zhongjing in the Eastern Han Dynasty. It is a classic of traditional Chinese medicine and laid the foundation of traditional Chinese medicine. In modern times, the efficacy of Pueraria Decoction has a relieving effect on various cold symptoms such as chills, fever, and cough. The Japanese pharmaceutical company, the well-known SS Pharmaceuticals, has added the bellflower formula based on the kudzu decoction to enhance its efficacy against sore throat, cough and phlegm. It has become a popular cold medicine in Japan, and it is a regular medicine at home.
There are many kinds of eye drops in Japan. It can be said that a hundred flowers are blooming, and the horses are galloping. There are hundreds of eye drops, how should we choose them?