
Acne Types, Causes, & Risk Factors | NIAMS
Acne is a common skin disorder that results in blocked skin follicles. Learn the types & causes of acne.
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 …
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.
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.
Acne: Research & Resources
Acne is a common skin disorder that results in blocked skin follicles. Learn the types & causes of acne.
Skin Diseases, Conditions, & Disorders | NIAMS
Jun 5, 2025 · Find information on diagnosis, treatment, and prevention for skin conditions caused by allergies, irritants, genetic makeup, certain diseases, immune system problems and more.
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.
Rosacea: Diagnosis, Treatment, and Steps to Take
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.
Hidradenitis Suppurativa (HS): Diagnosis, Treatment, and Steps to Take
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.
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.