Annoying Acne

I didn't know why this acne come and then annoy my face, and my life. i feel very shy, sad, and wanna agrue. my face full of them!! this acne come when last semester holiday. may be in that period i too lazy to wash my face so, acne came. or because it's teenanger period. many drugs I have tried. from natural until chemical drugs but had no effect. they made me shy. can u tell me how to remove acne? comment please (note: i didn't post my photo. to shy to look at it. and mow i become stress to think about them :( ) see ya! (An:)