Take each dose of Lexapro with a full glass of water.
Try to take the medicine at the same time each day. Follow the directions on your prescription label.
To be sure you get the correct dose of liquid Lexapro, measure the liquid with a marked measuring spoon or medicine cup, not with a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist for one.
It may take 4 weeks or longer before you start feeling better. Do not stop using Lexapro without first talking to your doctor. You may have unpleasant side effects if you stop taking this medication suddenly. Store Lexapro at room temperature away from moisture and heat.
Get emergency medical help if you have any of these signs of an allergic reaction: skin rash or hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any new or worsening symptoms such as: mood or behavior changes, anxiety, panic attacks, trouble sleeping, or if you feel impulsive, irritable, agitated, hostile, aggressive, restless, hyperactive (mentally or physically), more depressed, or have thoughts about suicide or hurting yourself.
Call your doctor at once if you have any of these serious side effects:
very stiff (rigid) muscles, high fever, sweating, fast or uneven heartbeats, tremors, overactive reflexes;
nausea, vomiting, diarrhea, loss of appetite, feeling unsteady, loss of coordination; or
headache, trouble concentrating, memory problems, weakness, confusion, hallucinations, fainting, seizure, shallow breathing or breathing that stops.
Less serious Lexapro side effects may include:
drowsiness, dizziness;
sleep problems (insomnia);
mild nausea, gas, heartburn, upset stomach, constipation;
weight changes;