Acne Types, Causes, Risk Factors | NIAMS Types of Acne Acne causes several types of lesions, or pimples Doctors refer to enlarged or plugged hair follicles as comedones Types of acne include: Whiteheads: Plugged hair follicles that stay beneath the skin and produce a white bump Blackheads: Plugged follicles that reach the surface of the skin and open up They look black on the skin surface because the air discolors the sebum, not
Acne: Diagnosis, Treatment, and Steps to Take Treatment for Acne The goals of treatment are to help heal existing lesions, stop new lesions from forming, and prevent scarring Medications can help stop some of the causes of acne from developing, such as abnormal clumping of cells in the follicles, high sebum levels, bacteria, and inflammation Your doctor may recommend over-the-counter or prescription medications to take by mouth or apply
Rosacea Symptoms, Causes, Risk Factors | NIAMS Rosacea is a long-term skin condition that causes reddened skin and a rash, usually on the nose and cheeks Learn symptoms and possible causes
什麼是青春痘 (Acne) | NIAMS Learn about acne, including how it is diagnosed and treated, and the steps you can take to help prevent outbreaks
Rosacea: Diagnosis, Treatment, and Steps to Take What is rosacea? It is a long-term disease that causes reddened skin and pimples, usually on the face It can also make the skin thicker and cause eye problems
Acne: Research Resources What is acne? It is caused when blocked skin follicles from a plug caused by oil from glands, bacteria, and dead cells clump together and swell
Hidradenitis Suppurativa Symptoms Risk Factors | NIAMS Hidradenitis suppurativa (also known as acne inversa) is a chronic, noncontagious, inflammatory condition characterized by pimple-like bumps or boils and tunnels or tracts on and under the skin
Skin Diseases, Conditions, Disorders | NIAMS Find information on diagnosis, treatment, and prevention for skin conditions caused by allergies, irritants, genetic makeup, certain diseases, immune system problems and more
Acné | Temas de salud | NIAMS ¿Qué es el acné? Es una afección de la piel que ocurre cuando se obstruyen y se inflaman los folículos pilosos por la acumulación de grasa de las glándulas, bacterias y células muertas en los poros
