Comedones
Show Alternative Names
Skin bumps - acne-like
Acne-like skin bumps
Whiteheads
Blackheads
Comedones are small, flesh-colored, white, or dark bumps that give skin a rough texture. The bumps are one type of acne. They are found at the opening of skin pores. A solid core can often be seen in the middle of the small bump. Comedones are called open or closed based on whether the surface is disrupted (open) or intact (closed). Open comedones are blackheads and closed comedones are whiteheads.
Acne
Acne is a skin condition that causes pimples or "zits. " Whiteheads, blackheads, and red, inflamed patches of skin (such as cysts) may develop....
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Blackheads
Blackheads are tiny, dark spots on the skin. They are caused by a small plug in the opening of a follicle (pore). Blackheads are also called open c...
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Whiteheads
Whiteheads are small, white, raised bumps on the skin. They form when oil and skin collect in the pores. Whiteheads are also known as closed comedo...
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Review Date:
10/20/2022
Reviewed By
Linda J. Vorvick, MD, Clinical Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
References
Dinulos JGH. Acne, rosacea, and related disorders. In: Dinulos JGH, ed. Habif's Clinical Dermatology: A Color Guide in Diagnosis and Therapy. 7th ed. Philadelphia, PA: Elsevier; 2021:chap 7.
James WD, Elston DM, Treat JR, Rosenbach MA, Neuhaus IM. Acne. In: James WD, Elston DM, Treat JR, Rosenbach, MA, Neuhaus IM, eds. Andrews' Diseases of the Skin: Clinical Dermatology. 13th ed. Philadelphia, PA: Elsevier; 2020:chap 13.
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