How Ezanic Gel works Ezanic 20% Gel contains azelaic acid that works by killing the acne-causing bacteria and reducing inflammation (redness and swelling) of the skin. Azelaic Acid is used in the case of Azelaic Acid is used in the treatment of inflammatory skin conditions affecting the face. The detailed uses of Azelaic Acid are as follows: • Treatment of papulopustular rosacea: Reduces the inflammatory papules and pustules associated with mild to moderate rosacea. • Relief from papulopustular acne: Treats mild to moderate acne with inflammatory pimples and pus-filled areas. • Reduction of skin redness: Reduces visible redness and irritation ... The topical foam and gel are used to treat mild to moderate rosacea. For acne, it works by killing the bacteria that cause acne and by keeping the skin pores clean. Azelaic acid is a medicated cream or gel used to treat skin conditions such as acne vulgaris, which causes pimples, bumps, pustules, cysts, whiteheads or blackheads (comedones), and rosacea. Common side effects of azelaic acid include burning, tingling, stinging, pain, itching (pruritus), dryness, redness, tightness, scaling, peeling, irritation, skin rash, contact dermatitis, and acne vulgaris. Consult your doctor if pregnant or breastfeeding.