Nodular and cystic acne,pustules and scars.

Patient: Hello, I have a problem regarding my acne. Like many nodular or a cystic acne on my nose. And even pustules around my face. Dark spots and scars remain and my acne still continues to pop out. it also affected in my back and chest. It started five years ago and until now I cant get rid of it. I have used several topical medications,soaps,facial wash and creams. I cant have access to dermatologists because they are rare in our locality. please help me solve preventing and removing especially my nodular or cystic acne ,pustules and scars and dark spots around my face,chest and back? thank very much and i appreciate your help!!