I have been prescribed Phentermine 37.5, and I just started taking it 3 days ago. I know it is a hunger suppressant and its supposed to make me not eat as much. But is it normal to not be hungry at all when you are taking it? I haven't really wanted to eat anything. In the 3 days I've been on it I have only eaten 2/3 of a hot pocket, 2 graham crackers, a candy bar, and a handful of grapes. And I haven't slept AT ALL since I started it.
Last edited: