I've been on Lexapro for a month now for anxiety over health issues. It's the first time I've taken any sort of anti depressants. I won't lie, the first week or so *****. I had a few bad headaches, lack of energy, nausea, increased anxiety, and lightheadedness. Now that I'm a month in I can say my anxiety is definitely decreased. I have good days, really good days, and maybe an okay day, then a bad day. Has it helped my anxiety? Totally. Has it completely changed my life?