I've never had this side effect you are talking about. But with every dose increase, is more side effects. All I know, is after about two months all side effects go a way. EXCEPT when I drink on Prozac, even if its just one beer, or one glass of wine.... i feel DRUNK. I hardly ever drink, and when I do, its as if I've had 10 beers, not 1. So just watch out for that... if you are driving, etc.