Valz 40 Tablet is used in the treatment of depression. This medicine helps by increasing the level of chemical messengers in the brain that relax the nerves and have a calming effect on the brain. Valz 40 Tablet should be taken with food. It is advised to take this medicine at a fixed time each day. You should never skip any doses and finish the full course of treatment even if you feel better. This medication mustn't be stopped suddenly as it may worsen your symptoms. Some common side effects of this medicine include nausea, vomiting, insomnia (difficulty sleeping), and diarrhea. It even causes dizziness and sleepiness, so do not drive or do anything that requires mental focus. Moreover, most of the side effects are immediate and often go away with time. Please consult your doctor if these bother you or do not go away. Before taking Valz 40 Tablet, inform your doctor if you have any problems with your kidneys, heart, or liver problems or have a history of seizures (epilepsy or fits). Inform your doctor if you develop any unusual changes in mood or behavior, new or worsening depression, or if you have any suicidal thoughts.