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Unformatted text preview: sebum which is unable to escape. The sebum becomes infected by bacteria which break down it down into fatty acids which in turn irritate the skin. Factors which contribute to the development of Acne include: • Hormonal activity and increased Androgen levels • Diet – high Glycaemic load and Cow’s milk have been associated • Cosmetics, skin preparations and shampoos • Medications such as bromides, steroids, androgenic hormones and oral contraceptives Epidemiology Acne Vulgaris typically appears around puberty. Peak incidence is 14-17 in girls and 16-19 in boys. At the age of 16 estimates report that Acne affects 95% of boys and 80% of girls to some extent. Diagnosis Diagnosis is based on the patient’s clinical picture. Important differentials include Rosacea, Keratosis pilaris and Chloracne. Cultures may identify Propionibacterium acnes , an anaerobic bacterium known to cause Acne....
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- Fall '10
- Anthropology, cystic acne, Acne vulgaris Symptoms