Spottty Teenager Help ! :]?

i have had spots for the last 3 years now, no like really bad acne but i have not had one day go by without a big red spot somewhere, and its worse when im due on :( Anybody have any tips?? I do wear make-up i admit, but mineral stuff because thats meant to help isnt it? I use face washes like neutrogena nad have used oxy spot cream and nothing prevent my spots ! i drink plenty of water aswel !! Any help?? Thankyou xx