Dayo OD 250 Tablet is used to treat epilepsy, seizures or fits. Additionally, it is also used to treat manic episodes associated with bipolar disorder and to prevent migraine. It contains Divalproex sodium, which decreases the brain's excessive and abnormal nerve activity, thereby helping to control seizures. It helps block the nerve transmission across the brain and provides a calming effect. Thereby, helps treat bipolar disorder. In some cases, it may cause common side effects, such as abdominal pain, back pain, constipation, diarrhoea, dizziness, nausea, increased appetite, and vomiting. Before taking this medicine, you should tell your doctor if you are allergic to any of its components or if you are pregnant/breastfeeding, and about all the medications you are taking and pre-existing medical conditions.