Hi, I can understand your concern for the pimples a in yourself. Acne or pimples are youth related problem and is not a disease per say. You have not mentioned your age, sex and marital status. You can apply a cream contains Clindamycin gel 1% and adapalene for topical application form. For clindamycin there is no harm in using it but adapalene can cause irritation if not used under dermatological supervision. It contains topical antibiotic gel and oral antibiotic and do not cause any side effects. For melas lotion or nay other over the counter medications- it is not advisable to use such products as can cause irritation or burn on your skin. Take a proper guidance and follow up with a good dermatologist so that all the problem of acne can be dealt best for future time. Take care