I have taken lexapro about 3 years ago fo. Little anxiety and took it for 8 months and tapered off slowly and everything was great! Now I have been on it again a second time due to anxiety from stress.I have been on it for 5 weeks n I did feel like my anxiety disappeared the 2nd week n now for the past 2 weeks i have been waking up with anxiety again(nothing big) and some days I feel my mind racing like crazy.so I'm wondering if its just not working this Time.