I stopped taking Ritalin when I got a bad dizzy spell, I can't tolerate the crashes anymore. Only thing that sucks is in the morning I am SOOOO lethargic. I miss it, but I'd rather be less stressed during the day, even if I feel like crap. This sucks. I know there are worse things in life, but no one should have to go through this. Sorry for the self-pity rant.