Possible adderall overdose

So earlier today I was at my friends. He gave me 3 of his instant release adderall... 30mgs each. So that's 90 mg instant release. I have only taken it a dew days so it's reall messing with my heart....

Source: http://www.soberrecovery.com/forums/substance-abuse/229219-possible-adderall-overdose.html

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