I'm also on adderall. It's fine to take them past the expiration. The only thing to be concerned about is the potency. Which I never found to be affected much under a year expired.
26 year old female diagnosed with severe Crohn's in Sept. 2007-suspected that I've had it for at least 3 yrs. Currently taking Pentasa 500mg/8x daily; Entocort 3mg/3x daily; Percocet for pain; Protonix 40mg---was on Flagyl/Cipro for two weeks,(a few weeks ago), was supposed to be on it for three weeks but the cramping and diarrhea it caused made me stop
Now on Prednisone 40mg, stopped Entocort while on pred.