Piracetam is a GABA analog that is used to treat memory loss and brain dysfunction due to acute and chronic cerebrovascular disease and traumatic brain injury. The side effects of Piracetam are mainly in the digestive tract, central nervous system and liver function. 1. Gastrointestinal tract: Gastrointestinal side effects include nausea, vomiting, abdominal discomfort, abdominal pain and bloating, etc. The severity of symptoms is related to the dose of the drug. 2. Central Nervous System: Central nervous system side effects include dizziness, headache, sleep disturbance and other mild symptoms, and are not related to the dose of the drug. 3. Liver function: Piracetam may occasionally cause mild hepatic impairment, which is often transient and not related to the dose of the drug. Piracetam should be used under the guidance of a medical professional, pregnant women and newborns should be prohibited from using this drug. If any of the above side effects occur, you should seek medical advice and reduce the dosage or stop the medication under the guidance of your doctor.