Sodium valproate is an antiepileptic drug, commonly used oral dosage forms include sodium valproate tablets and sodium valproate extended-release tablets, etc. Different dosage forms have different dosages. Patients are advised to use the drug according to their own conditions and under the guidance of doctors. Sodium valproate tablets are used for adults at 15mg/kg of body weight per day or 600～1200mg per day in 2～3 divided doses. Start at 5～10mg/kg and increase the dosage in one week until seizure control, up to 30mg/kg or 1800～2400mg per day. Sodium valproate tablets are used in pediatric patients at 20 to 30 mg/kg daily in 2 to 3 divided doses or 15 mg/kg daily in increments of 5 to 10 mg/kg every other week until effectively controlled or not tolerated. The instructions for Sodium Valproate Extended-Release Tablets recommend that for the treatment of epilepsy, the starting dose should be 10 to 15 mg/kg per day, after which the dose may be increased until seizures are effectively controlled, with the regular dose for children being 30 mg/kg per day and the regular dose for adults being 20-30 mg/kg per day divided into 1 or 2 doses per day. For the treatment of bipolar disorder with sodium valproate extended-release tablets, the starting dose is 500mg daily in 2 divided doses, one in the morning and one in the evening. The dose is increased to 1000mg/day on the third day and 1500mg/day at the end of the first week. After that, the maintenance dose is 1000-2000mg/day, up to 3000mg/day, depending on the condition and blood concentration. All of the above are recommended dosages in the instructions, the use of the drug may cause adverse reactions such as diarrhea, dyspepsia, nausea, vomiting, gastrointestinal cramps. Acute hepatitis, chronic hepatitis, personal or family history of severe hepatitis, especially drug-induced hepatitis; hypersensitivity to sodium valproate; porphyria and other people are prohibited. If you need to use sodium valproate, it is recommended to consult a professional doctor and follow the doctor’s instructions to standardize the use of medication.