No. It is in the group call SSRI's. Here is more info. I used to take it but that group of antidepressants doesn't work for me. http://www.drugs.com/mtm/L/Lexapro.html

Lexapro is an SSRI, not an MAOI, I've taken lexapro for depression/anxiety for several years. Any reason you ask? Did you know that MAOI's were originally used as a TB treatment? Fun little fact, but I'm a medical geek!

No, it is a seratonin enhancer, much different from the older class of anti depression drugs called MAOI's. This will tell you why the doctors and drug companies have switched alot to the SSRI types of drugs: MAOIs Inhibitors are especially good if you seem mildly depressed, if you become depressed more gradually, or if your primary complaints are boredom and apathy. These medications balance certain brain chemicals. When these brain chemicals are in proper balance, the symptoms of depression are relieved. Monoamine oxidase (MAO) inhibitors are used to relieve certain types of mental depression. They work by blocking the action of a chemical substance known as monoamine oxidase (MAO) in the nervous system. It is very important to avoid certain foods, beverages, and medicines while you are being treated with an MAO inhibitor. Your doctor or therapist can help you obtain a list to carry in your wallet or purse as a reminder of which products you should avoid. SSRI's do then have advantages, but take longer to kick in often, and also too much of them can get people abit anxious or jittery due to having too MUCH seratonin in their system, so they have to be fine tuned. Hope this helps.