My friend's psychological problems have gone unnoticed for too long. This problem has come up several times in the short 14 years I've been living, with several different friends. Let me start by ...
Tell your school counselor that your friend has displayed suicidal ideology then make friends who do not have the same sort of problems you have. People tend to feed off each other when they share these kinds of things and you really need to learn better coping skills than you can find through other young people with problems like your own. The ideal situation is to not be on medication, ever. You take more medications than most people will their entire lives and if there is any other solution to a problem, then it should be explored before just prescribing another pill; many people do not believe that there is a true need for half the stuff doctors prescribe.