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  1. 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 …

  2. Acne Types, Causes, & Risk Factors | NIAMS

    Overview of Acne Acne is a common skin condition that happens when hair follicles under the skin become clogged. Sebum—oil that helps keep skin from drying out—and dead skin cells …

  3. Rosacea Symptoms, Causes, & Risk Factors | NIAMS

    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.

  4. 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.

  5. 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.

  6. Acne: Research & Resources

    Research Progress Related to Acne NIAMS conducts research to study acne and supports researchers at universities and other organizations throughout the country who are studying …

  7. Psoriasis Symptoms, Causes, & Risk Factors | NIAMS

    Psoriasis is a skin disease that causes red, scaly skin that may feel painful, swollen, or hot. Learn more about the types and what causes psoriasis.

  8. Atopic Dermatitis–Eczema Symptoms & Causes | NIAMS

    Atopic dermatitis, often called eczema, is a skin disease causes inflammation, redness, and irritation. The disease causes the skin to be extremely itchy.

  9. Ichthyosis Symptoms, Types, Causes, & Risk Factors | NIAMS

    Ichthyosis refers to a group of skin disorders that lead to dry, itchy skin that appears scaly, rough, and red. The symptoms can range from mild to severe.

  10. Health Lesson: Learning About Skin | NIAMS

    Jun 9, 2025 · Acne Many tweens and teens get a skin condition called acne, which can lead to painful pimples. Acne is caused by a type of bacteria that lives on everyone’s skin called …