Acetylsalicylic acid tablets can cause the following adverse reactions: 1, can cause gastrointestinal adverse reactions, compound acetylsalicylic acid tablets have a destructive effect on the gastric mucosa, can cause gastritis, gastric ulcer, and even gastric perforation and other phenomena, this situation should be promptly to the hospital for treatment, in the hospital by vomiting, gastric lavage and other methods to quickly discharge the drug taken. 2, compound acetylsalicylic acid tablets eaten too much can also lead to drug poisoning, the patient will be coma, shock, liver and kidney damage a series of symptoms. The patient will experience coma, shock, liver and kidney damage and a series of other symptoms. In this case, according to the specific circumstances of the rescue, if the drug can not be discharged from the body in time, can also be rescued through blood perfusion and other methods. Compound acetylsalicylic acid tablets are painkillers that can treat toothache, neuralgia, muscle pain, menstrual pain, etc. They must be taken in the required dosage, as overdosing can lead to serious adverse consequences.