ive only done it once on a low dose (350mg) and every now and then when im trying to sleep the room will start shaking. but im pretty sure its just because ive been taking a lot of concerta lately for finals.
fikusroot Reviewed by fikusroot on . Robitussin other Dxm Long term Effects??? Hi ive been coming to these forums for over a year i just read and such,(fun to trip while readin about other peoples trips) but anywho ive noticed that while on robo i have troubles gettin it up and gettin the job done, even after i havent taken ne dxm for 4 months i still am having this trouble, ive never had this trouble before taking the dxm, now i want u to know i use to trip daily high doses never less then 3 bottles of 20 gel caps, or 3 bottles of robo 2 boxes ccc 2-3 zicam nightime lol. Rating: 5