Seborrheic Dermatitis

Overview

Definition

Seborrheic dermatitis is a red, swollen, and scaly rash on the skin. The skin may also be itchy. It is common on the scalp, ears, eyebrows, face, eyelids, chest, back, armpits, and genitals.

Dandruff is a type of seborrheic dermatitis where there is a scaling of the skin on the scalp.

Seborrheic Dermatitis
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Causes

The exact cause is not known. Common skin yeast organisms or genetics may play a role.

Risk Factors

This problem is more common in men. Other things that may raise the risk are:

  • Having a weakened immune system due to things like HIV infection or a recent organ transplant
  • Chronic health problems, such as hepatitis C
  • Genetic diseases, such as Down syndrome

SymptomsandDiagnosis

Symptoms

Problems may be mild to severe. Symptoms may also come and go over time.

The skin may have:

  • Patchy scales that may look greasy or moist
  • Yellow to white scales that flake off
  • Redness
  • Itching and burning
  • Small pimples on the nose, eyebrows, chest, back, arm pits, or genitals

Newborns may have a thick, yellow, crusted scalp rash known as cradle cap.

Diagnosis

The doctor will ask about your symptoms and health history. A physical exam will be done. It will focus on the rash. This is often enough to make the diagnosis. You may need to see a doctor who treats skin problems.

Treatments

Treatment

There is no cure. The rash may get better on its own in children. Baby shampoo, mineral oil, and anti-fungal shampoos can help.

In others, the goal of treatment is to manage symptoms. Choices are:

  • Prescription or over the counter shampoos
  • Prescription or over the counter creams or lotions that contain:
    • Hydrocortisone or other cortisone (steroid) preparations
    • Antifungal medications
    • Antibiotic medication
    • Pimecrolimus or tacrolimus
    • Lithium salt

Prevention

There are no known guidelines to prevent this health problem.

This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.

Edits to original content made by Denver Health.

a (Dandruff)

RESOURCES

American Academy of Dermatology https://www.aad.org 

Family Doctor—American Academy of Family Physicians https://familydoctor.org 

CANADIAN RESOURCES

Canadian Dermatology Association https://www.dermatology.ca 

Health Canada https://www.canada.ca 

References

Ijaz N, Fitzgerald D. Seborrhoeic dermatitis. Br J Hosp Med (Lond). 2017 Jun 2;78(6):C88-C91.

Seborrheic dermatitis: overview. American Academy of Dermatology website. Available at: https://www.aad.org/public/diseases/scaly-skin/seborrheic-dermatitis. Accessed March 23, 2021.

Seborrheic dermatitis in children and adults. EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/seborrheic-dermatitis-in-children-and-adults. Accessed March 23, 2021.

Seborrheic dermatitis in infants. EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/seborrheic-dermatitis-in-infants. Accessed March 23, 2021.

3/12/2018 DynaMed Systematic Literature Surveillance https://www.dynamed.com/condition/seborrheic-dermatitis-in-children-and-adults: Karakadze MA, Hirt PA, et al. The genetic basis of seborrhoeic dermatitis: a review. J Eur Acad Dermatol Venereol. 2017 Nov 20.