I found 3 of these pills in my brother's room. They are white and round. On one side they have the number 20 and on the other side they have FL with a line between them.
Round white with an F | L (|=score) and a 20 on the other is Lexapro 20mg
an antidepressant in the SSRI class (same class as prozac and zoloft, but newer)