One month before the expiration date of the drug is still able to eat, as long as the drug is still in the expiration date, the physical and chemical properties will not be too much change, and can play the therapeutic role of the drug.
China has a strict management system and laws and regulations on drugs, the State Drug Administration requirements, manufacturers need to follow the nature of the drug and nature of the packaging, and the date of production and expiration date of the drug to have an accurate labeling, and clearly marked on the box, convenient for patients to use.
As long as the drug is still within the expiration date, it is able to be used, and the safety and effectiveness of the drug within the expiration date can be guaranteed. If the drug exceeds the expiration date, it should never be used. Drugs beyond the expiration date may deteriorate or have reduced efficacy, resulting in adverse consequences.
Medicines need to be used under the guidance of a doctor.