<p> By increasing the available supply of serotonin, a chemical messenger
in the brain that may become unbalanced and cause depression or anxiety at
<a href="http://tamsulosintablets.com/l/1011/ne53">http://tamsulosintablets.
com/l/1011/ne53</a>. Lexapro blocks the re-absorption of serotonin by the
first nerve cell.</p>