I hate to say it but for me at least, Lexapro is the only med that has ever caused me to gain weight. Which for me is a really good thing. Prozac made me lose weight, which I hear is common since it's activating rather than sedating, maybe you could try that?

Ugh, the weight gain from Lexapro is what made me stop using it! I started taking it in 5th grade, and went from around 120 Lbs. to around 190~200 Lbs. in a matter of months; it was quite dramatic. I’ve still found it hard to get rid of that weight since then! I remember that it really did help with my issues, but the weight gain was too much for me, especially since I was just a kid.

I've been on lexapro for over 20 years and didn't gain weight on it. The only meds I gained weight on were anti psychotics

I lost weight (~10 lbs) on Lexapro, but that was probably because I ate more when I was depressed. You'll have to see, hopefully it works out for you!

Lexapro and Wellbutrin are two meds that worked great for me