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Medical editor: Dr. Pierre Schneider, Dermatologist, Saint-Louis Hospital, France.
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Dr. Pierre Schneider
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The causes of seborrheic dermatitis are multifactorial and involve the interaction of three factors:
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In addition to its involvement in the development of seborrheic dermatitis, Malassezia yeast is associated with numerous skin diseases such as pityriasis versicolor and folliculitis3.
A set of arguments identifies sebaceous secretions as participating in the physiopathology of SD:
While these arguments support a role for sebaceous secretions in the development of SD, the details of their involvement remain unknown.
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The clinical presentation of seborrheic dermatitis is different in infants and in adults.
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Infantile seborrheic dermatitis appears towards the end of the 1st or 2nd month and lasts approximately 4 to 6 months. It appears as squamous erythema or crusty eruptions. It can present itself:
Fig 1,2: Cradle cap
Fig: Mediofacial seborrheic dermatitis
Clark GW, Pope SM, Jaboori KA. Diagnosis and treatment of seborrheic dermatitis. Am Fam Physician. 2015 Feb 1;91(3):185-90. PMID: 25822272.
Fig 1: Atopic dermatitis; Fig 2: Candidiasis; Fig 3: Impetigo, Fig 4: Nummular dermatitis; Fig 5: Pityriasis rosea
What should be applied in case of diaper rash?
Diaper rash can have several causes. Some of the most common are:
When seborrheic dermatitis is suspected, the therapeutic management is the same as for adults: application of topical antifungals associated with a short treatment of dermocorticoids, if necessary.
Is Vaseline recommended to remove cradle cap?
Vaseline ointment is indeed recommended for removing cradle cap: apply it to the baby's head in the evening and wash the next day with a mild shampoo. The scales can then be removed more easily13.
Advocacy for a shared physician/patient approach for the management of acne, rosacea, seborrheic dermatitis and photodamage
Bioderma Congress Reports EADV 2023
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