Chinese patent medicines are pills, powders, ointments, pills, tablets, etc. , made of Chinese herbal pieces. They are a mixture in themselves, and the stability of various components is different, and their efficacy cannot be guaranteed beyond the shelf life.

Improper preservation may also accelerate the deterioration of drugs. Even if it is a Chinese medicine pill within the shelf life, you should pay attention to "three looks" before taking it: to see if there is mildew; Second, see if its color has changed; The third is to pay attention to whether there is an odor. If it goes bad, it is difficult to guarantee the efficacy, and it may contain harmful substances, so it is not suitable for taking again.

Extended data:

Precautions for storage:

1. Put different doses in bottles or sealed plastic bags and store them in a cool and dry place.

2. put it in the refrigerator for cold storage. Generally speaking, pills should be packed at room temperature, and it is best to use them within 3 months. Even if they are put in the refrigerator, they should be used up within 1 year.

In addition, Yan Anding added that glass bottles or ceramic cans with good sealing performance can be selected as containers for preserving Chinese medicine, and stainless steel containers have good stability and can be considered. Iron containers are prone to oxidation, which may affect the efficacy of preserved drugs.

People's Network-The longer the Chinese medicine pills are kept, the better their efficacy. Its shelf life is as long as one year.