After taking expired Eight Treasures Convulsant, if there is no symptom, no treatment is needed, if nausea, diarrhea, etc. occurs, you should seek medical advice as soon as possible. Eight Treasures Convulsive Wind Essence is mainly composed of Tianma, Scutellaria baicalensis, Tianzhuhuang, Fenghuang, Scorpion and other traditional Chinese medicines, which has the efficacy of dispelling wind and resolving phlegm (dispelling wind and resolving phlegm), relieving fever and suppressing convulsions and is clinically used for the treatment of children’s convulsive winds, fever and coughing, and vomiting of phlegm and saliva. It should be noted that it is not suitable for those with spleen deficiency and slow convulsions (pediatric diseases with dizziness, convulsions and convulsions as the main manifestations); it should be used with caution for those with coughs with cold phlegm and stopping of drinking (water stays in the body); it should not be used for a long time or overdosed; and it is not suitable to be used alone for acute convulsions of pediatrics. Due to the expiration date of the drug’s efficacy will not only be weakened, but also easy to lead to the production of other toxic and harmful substances. Therefore, if you take expired Eight Treasures Convulsant, you should pay attention to the patient’s symptoms, if nausea, vomiting, epigastric (abdominal) distension and pain and other adverse reactions to go to the hospital in a timely manner to seek medical attention. All medication should be used under the guidance of a doctor, avoid self-medication.