C/D: Pseudoephėdrine / Sudafėd + Coffee + Aspirin (also, ECA)

Did a stack this morning not specifically to increase concentration or whatever, but because I have a bad cold, I had a headache, and morning coffee is mandatory. Over 12 hours later, I'm still wired. I used to do this little combo all the time when I was a grad student for concentration purposes, and it probably helped me pass my qualifiers. I figure it also gave me a few cavities on the way (constant dry mouth), but I don't do it anymore, except when I have a cold. I'll likely be up for a few more hours tonight, at least.

See also ECA for the ephėdrine variant (which never did anything for me).

how does this help with concentration?

I dunno, but it sure helped me think about math for a lot longer than I otherwise could. Probably the same principle as ritalin.

http://2.bp.blogspot.com/_Q5jG4MBzjac/R9yMBBjrSsI/AAAAAAAAAuA/XBN6P8easSg/s400/speed+kills.jpg

i take advil cold/sinus when i have a cold/sinus issue, which has the pseudoephedrine plus ibuprofen (my preferred pain killer), and i definitely get a little buzz off it. i only take it when i actually have a cold tho -- if i started popping it on days when i felt fine, then i'd worry. and yeah, if i take it too near bedtime -- like, within 6 or 8 hours -- it will fuck with my sleep.