I have been taking Pregabalin for 3 wks. I have started to experience weight gain - 5lbs in 3 wks. I am aware that this medication can cause weight gain and I have read on other sites where people have gained 10lb monthly. I find this pretty scarey! I need to know if the weight gain is inevitable, regardless of what I eat and drink or if I monitor and reduce my intake will the weight gain stop!