What Is Azelaic Acid?

Azelaic acid seems to be a topical medication. Individuals may receive it as a foam, cream, or gel. Doctors may ask patients to apply this medication in a thin layer twice a day. Patients appear to need follow-up appointments when they use this medication. This may help their doctor monitor their progress and adjust their dose as necessary. However, patients may want to inform their doctor if they do not see improvement in one to three months, depending on their condition.