Question
The gastric and intestinal pills at home have been opened and placed for half a month. What is their shelf life? If expired, are they still effective?
Answer
Generally, if drugs are left open for too long, they may become damp, which can affect their efficacy. It is recommended to avoid taking drugs that have become damp or deteriorated, as their side effects may worsen. If the drug has been opened for a short time and has not become damp, it can be considered for use. Each drug has its own shelf life, and as long as it is stored properly, it can usually be taken safely within its expiration period. After opening, the drug should be kept away from direct sunlight and stored in the refrigerator. The general shelf life is two years, as long as it has not deteriorated or become damp, it can be taken orally.