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Acne develops most often on the face, neck, chest, shoulders, or back and can range from mild to severe. It can last for a few months, many years, or come and go your entire life.
Severe acne can produce hundreds of pimples that cover large areas of skin. Cystic lesions are pimples that are large and deep. These lesions are often painful and can leave scars on your skin.
Acne can lead to low self-esteem and sometimes depression. These conditions need treatment along with the acne.
Acne develops most often in the teen and young adult years. During this time, both males and females usually produce more testosterone than at any other time in life. This hormone causes oil glands to produce more oil (sebum). The extra oil can clog pores and cause acne. Bacteria can grow in this mixture. And if the mixture leaks into nearby tissues, it causes swelling, redness, and pus (pimples).
Acne usually gets better in the adult years when your body produces less testosterone. Still, some women have premenstrual acne flare-ups well into adulthood.
eMedicineHealth Medical Reference from Healthwise
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