i take 10x 5mg dexmphetamine a day ,whats the differnce between adderall 5mg tablets and the adderall xr30 tblets the slow realease dont seem to work as well for me as i have used 30mg concerta in the past and been perscribed with adult adhd 8 years ago i also have slight bipolar are the does adderall have the same affect as the dexamphetamine?