Valporex OD 1000 tablet is an anticonvulsant (or anti-epileptic) medicine that works by reducing the nerve impulses that trigger seizures (fits). This tablet has a high amount of divalporex sodium may not be appropriate for all. Inform your neurologist or healthcare expert if you have liver, heart, or kidney conditions, difficulty urinating, suicidal thoughts, and depression. The tablet performs to repair the normal strength of nerve activity in your brain. This may alter the abnormal and excessive activity of the nerve cells in the brain.