I have been diagnosed with anxiety and depression. I have been on Lexapro for 3 months now. 2 months at 10 mg and 1 month at 15 mg. The depression and anxiety are much, much better. I have been shaking ever since starting Lexapro. The mornings are the worst. I have been taking .25 mg of xanax in the morning, sometimes just 1/2 a tablet, to combat the shaking. I sometimes get inner tremors. My doctor has switch me to Prozac 20 mg. hoping this will help. My daughter did very well on Prozac. What causes the shaking and do you thing the Prozac will make a difference. I have not started it yet. I am also on 180 mg of Cartia and a potassium supplement.