Skin outbreak is a term used to describe any type of rash or irritation that appears on the skin. ACNE is one of the most common skin outbreaks, and is characterized by red bumps, whiteheads, and blackheads on the face, chest, and back. ACNE is caused by a combination of factors, including hormones, bacteria, and genetics. Treatment for ACNE can include topical creams, antibiotics, and laser treatments.