Adderall Munchies and elevated HR

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I was recently diagnosed ADHD and prescribed adderal xr 20mg. I like that for the first time in my life I am able to focus and complete tasks without lots of breaks and distractions, but I am starving all of the time. I haven't gained any weight even though I am eating a little more than before. I still seem to be losing at a comfortable 1 lb or so a week, but the hunger is driving me nuts. I am able to ignore it during the day. At night is another thing.


Also my heart rate goes as high as 188 When I am doing strenuous exercise. I know that isn't good. I have to constantly monitor my hr and lower the intensity to compensate, even though I feel fine at that ridiculous hr,

Has anyone else experienced anything similar?