Lexapro can cause sleepiness or may affect your ability to make decisions, think clearly, or react quickly. You should not drive, operate heavy machinery, or do other dangerous activities until you know how Lexapro affects you. Do not drink alcohol while using Lexapro.

Before starting Lexapro, tell your healthcare provider if you are taking certain drugs such as:

• Triptans used to treat migraine headache
• Medicines used to treat mood, anxiety, psychotic or thought disorders, including tricyclics, lithium, SSRIs, SNRIs, or antipsychotics
• tramadol
• Over-the-counter supplements such as tryptophan or St. John's Wort

Also be sure to tell your doctor if you:

• Have liver problems
• Have kidney problems
• Have heart problems
• Have or had seizures or convulsions
• Have bipolar disorder or mania
• Have low sodium levels in your blood
• Have a history of a stroke
• Have high blood pressure
• Have or had bleeding problems
• Are pregnant or plan to become pregnant. It is not known if Lexapro will harm your unborn baby. Talk to your healthcare provider about the benefits and risks of treating depression during pregnancy
• Are breast-feeding or plan to breast-feed. Some Lexapro may pass into your breast milk. Talk to your healthcare provider about the best way to feed your baby while taking Lexapro.