Hi lybrate-user,
Azelaic acid is used for treatment for acne. But as your acne has flared up, you may be allergic to the product or may not be using it in right manner.
Acne requires a proper medical treatment and post acne care for dark spots/scars which are commonly associated with acne. Apart from medical treatment which includes medications for local application and oral medications if required, for long term benefits advanced treatments available. These are, Chemical peels, RF thera...more