http://www.medications.com/effect/view/26574 I take Adderall NON xr 20mg with Lexapro 20 mg. I have general anxiety disorder so sometimes I get that chest tightness or the lump in throat feeling and it being hard to breathe but it usually went away when I took an Ativan. The Lexapro just seemed to sto Fri, 29 Feb 2008 12:41:40 -0500 http://www.medications.com/effect/view/26574?item=5219 ive been on adderal xr and adderal for about 2 years ive switched between the 2... i was taking the regular adderal 20 mg when i started havin the same sypstoms that u have and i was switched to the xr 20 mg and now i dnt go through that anymore and im als http://www.medications.com/effect/view/26574?item=5219