Acanthosis nigricans, most commonly, is noticed at the armpits and/or neck as a slightly thickened color…
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Information about the armpit of teen males can be found below. Common skin conditions noted in the armpit include dry and flaky skin (eczema), red and irritated skin (dermatitis), skin tags, boils, changes in pigmentation, ringworm, and moles. Click an image below to learn more about the associated condition, self-care recommendations, and when to seek medical attention.