Hello, Welcome to healthcare magic, I understand that you have pimples and marks and you are on medications which does not seem to work. The medicines you are on are good and usually work in majority of patients. If you have started these recently give them more time before you change. If you have been using these medicines for a month now then you should consider a change in medications for which approach a dermatologist. Avoid creams on your face. Avoid too much oil on your scalp. Diet is important. Avoid milk and milk products like cheese, chocolates, sweets, sugary foods and drinks. Eat a lot of fruits rich in vitamin A. Wash your face with a pH balanced face wash, preferably a one containing 1-2% salicylic acid. You may consult a dermatologist practicing cosmetology for few sittings of chemical peels for faster improvement. Hope this helped, Take care.