Lexapro Oral Uses Escitalopram is used to treat depression and generalized anxiety disorder (GAD). This medication works by restoring the balance of certain chemicals in the brain to improve mood and feelings of well-being. It is known as a selective serotonin reuptake inhibitor (SSRI). How to use Lexapro Oral Read the Medication Guide provided by your pharmacist before you start using escitalopram and each time you get a refill. If you have any questions regarding the information, consult your doctor or pharmacist. Take this medication by mouth, with or without food, usually once daily or as directed by your doctor. Dosage is based on your medical condition and response to therapy. It is important to continue taking this medication even if your symptoms begin to improve. Do not stop taking this medication without consulting your doctor. Some conditions may become worse when the drug is abruptly stopped. Your dose may need to be gradually decreased to reduce symptoms such as burning or tingling sensations, headache, or feeling anxious. It may take up to 4 to 6 weeks before the full benefit of this drug takes effect. Use this medication regularly in order to get the most benefit from it. To help you remember, take it at the same time each day. If you are using the escitalopram oral solution, use a specially marked medicine dropper or medicine cup to measure the correct dose prescribed by your doctor. Ask your pharmacist if you have any questions. Inform your doctor if your condition persists or worsens, or if you have new symptoms such as feeling agitated or hostile, or having suicidal thoughts.