You should be getting relief within a day or two if these are withdrawal symptoms, which they sound like.
Is muscle stiffness a side effect of lexapro? It comes and goes with me. I've been on it for 3 years now.
The doctor doesn't answer questions in the same thread twice, but yes, ssris cause muscle cramping. One remedy is to take a 1:1 or 2:1 magnesium to calcium citrate supplement; it usually helps.