This may not be what you're looking for, but I can vouch for Lexapro on personal experience. I had a bout of crippling panic attacks in the spring of 2008. I l

This may not be what you're looking for, but I can vouch for Lexapro on personal experience. I had a bout of crippling panic attacks in the spring of 2008. I lost my job because of this (I was a trader at a hedge fund). I had about 30 attacks in the first 3 months. It was obvious from the 3rd or 4th day on Lexapro that the drug was doing something: I had some mildly annoying but harmless side effects in the first week or two-- sweating, "the yawns", tiredness, and weird visuals when going to sleep. After about a week on the SSRI, I began to have a panic attack while in the park and something weird happened-- the attack just ended after 5 seconds, and I felt no worse than if I'd been startled by a loud sound. The attacks became milder and more manageable. Now I have about one per month-- unpleasant, but not something that'd make me unemployable-- but none at any level of severity approaching what I had before I started taking the drug. Some of this improvement is due to lifestyle changes and increasing skill at handling the problem, but a large fraction of the improvement is directly attributable to Lexapro.