Never used that medication but in general as a "naysayer" to a lot of medications:

First off, I don't know about anyone else, but I NEVER blindly try stuff like that.....Not to say I never did any unsupervised experimenting, but not as you described. What I attempted was only after reading a lot first, double check - basically all the stuff a doc would, only took me longer due to not dealing with it all the time. And then unless the dose was the lowest made, still can't say much.
When I do complain - it is ONLY after trying it the so called "right" way, and still had issues. So it's never and just grab it and try it anyway - also, still not gona say much unless someone that SHOULD know more than me dose the work (or a few times, just re-did it to verify my work).
Also not all drug effect everyone the same way - I can only tell you my personal experiences.