This medication is used to treat depression. It works by helping to restore the balance of a certain natural substance (serotonin) in the brain. Vortioxetine is an SSRI (selective serotonin reuptake inhibitor) and serotonin receptor modulator. This medication may improve your mood, sleep, appetite, and energy level and may help restore your interest in daily living. How to use Brintellix Read the Medication Guide provided by your pharmacist before you start taking vortioxetine and each time you get a refill. If you have any questions, ask your doctor or pharmacist. Take this medication by mouth with or without food as directed by your doctor, usually once daily. The dosage is based on your medical condition, response to treatment and other medications you may be taking. Be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products). To reduce your risk of side effects, your doctor may direct you to start this medication at a low dose and gradually increase your dose.