Nummular dermatitis in Child
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Synopsis

Nummular dermatitis is a form of dermatitis characterized by coin-shaped, scaly plaques. While generally a disease of adults, the peak age of childhood nummular dermatitis is 5 years. It is of uncertain etiology, but it is associated with triggers such as frequent bathing, low humidity, irritating and drying soaps, and exposure to irritating fabrics such as wool. Patients often have some of the signs and symptoms typically associated with atopic dermatitis. Pruritus can be severe, and affected children can be irritable.
Winter is usually the time of onset and exacerbation. Nummular dermatitis can be chronic with a waxing and waning course.
Some experts consider childhood nummular dermatitis as a subtype of atopic dermatitis.
Winter is usually the time of onset and exacerbation. Nummular dermatitis can be chronic with a waxing and waning course.
Some experts consider childhood nummular dermatitis as a subtype of atopic dermatitis.
Codes
ICD10CM:
L30.0 – Nummular dermatitis
SNOMEDCT:
81418003 – Nummular dermatitis
L30.0 – Nummular dermatitis
SNOMEDCT:
81418003 – Nummular dermatitis
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Diagnostic Pearls
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Differential Diagnosis & Pitfalls
- Allergic contact dermatitis
- Irritant contact dermatitis
- Tinea corporis
- Psoriasis
- Pityriasis rosea
- Seborrheic dermatitis – The distribution of lesions is often a helpful clue in distinguishing this entity from atopic dermatitis.
- Lichen simplex chronicus
- Ichthyosis vulgaris
- Scabies
- Fixed drug eruption
- Secondary syphilis
Best Tests
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Management Pearls
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Therapy
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Drug Reaction Data
Below is a list of drugs with literature evidence indicating an adverse association with this diagnosis. The list is continually updated through ongoing research and new medication approvals. Click on Citations to sort by number of citations or click on Medication to sort the medications alphabetically.
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References
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Last Reviewed:01/31/2017
Last Updated:03/28/2017
Last Updated:03/28/2017

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