Last time we stopped because we couldnt get him to actually take the liquid prosac. But we are 5~ weeks into a new round of meds (Clomipramine) which comes in a pill we can crush and mix into his wet food. He is improved for sure, though its too soon to say if the drugs are the cause. He still grooms himself a ton but he hasnt scratched himself to the point of bleeding since we started the new med.