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  1. Seborrheic dermatitis - Symptoms and causes - Mayo Clinic

    Jul 19, 2024 · Seborrheic (seb-o-REE-ik) dermatitis is a common skin condition that mainly affects your scalp. It causes scaly patches, inflamed skin and stubborn dandruff. It usually affects oily …

  2. Seborrheic Dermatitis: Symptoms, Causes & Treatment

    Jul 16, 2025 · Seborrheic dermatitis causes itchy, scaly and greasy patches of skin, often on your scalp. Seborrheic dermatitis (pronounced seb-o-REE-ik dur-muh-TAI-tuhs) causes scaly, flaky …

  3. What Is Seborrheic Dermatitis? - WebMD

    Dec 11, 2025 · What Is Seborrheic Dermatitis? Seborrheic dermatitis is a common skin disease that causes an itchy rash with flaky scales. It causes redness on light skin and light patches on …

  4. Seborrheic dermatitis: Causes and treatment — DermNet

    What is seborrhoeic dermatitis? Seborrhoeic dermatitis is a common, chronic, or relapsing form of eczema/dermatitis that mainly affects the sebaceous gland -rich regions of the scalp, face, and …

  5. Seborrheic Dermatitis - National Eczema Association

    Seborrheic dermatitis is a common form of eczema that usually affects the scalp. Learn what causes it, plus how to manage and treat symptoms. What is seborrheic dermatitis?

  6. Seborrheic Dermatitis: On Scalp, Treatment, Crib Cap, and More

    Nov 29, 2024 · Seborrheic dermatitis is thought to be caused by excess skin oil and an overgrowth of a naturally occurring yeast called Malassezia. Symptoms include scaly patches …

  7. Seborrheic Dermatitis - Skin Disorders - Merck Manual Consumer Version

    Seborrheic dermatitis occurs most often in infants, usually within the first 3 months of life, and in adults 30 to 70 years old. The risk and severity of the disorder seems to be affected by genetic …

  8. Seborrheic Dermatitis: Symptoms, Treatment, Photos, & More

    Sep 7, 2025 · Seborrheic dermatitis can cause dry, flaky, itchy rashes in areas with many oil glands. Seborrheic dermatitis is a common inflammatory skin condition that affects areas with …

  9. Seborrheic dermatitis: Diagnosis and treatment - American …

    Look closely at the skin with signs of seborrheic dermatitis. That’s often all that’s needed to diagnose seborrheic dermatitis or cradle cap (a type of seborrheic dermatitis that babies …

  10. Seborrheic Dermatitis - Johns Hopkins Medicine

    Detailed information on seborrheic dermatitis, including symptoms, diagnosis, and treatment.