Autoeczematization in Adult
Alerts and Notices
Synopsis

Autoeczematization is thought to result from a lower threshold for developing an eczematous hypersensitivity reaction in patients with preceding or concurrent inflammatory processes of the skin. Memory T-cells are thought to play a role in the cases of id reaction associated with allergic contact dermatitis. In the case of tinea, id reaction can develop after the institution of effective therapy and can be mistaken for an allergic reaction to the medication.
Codes
ICD10CM:L30.2 – Cutaneous autosensitization
SNOMEDCT:
3014005 – Id reaction
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Diagnostic Pearls
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Differential Diagnosis & Pitfalls
Differential diagnoses include rashes that can arise in a widespread or disseminated fashion:- Atopic dermatitis
- Contact dermatitis (allergic, irritant) including airborne and textile dermatitis, or as a reaction to ingested allergens
- Photoallergic dermatitis (see allergic contact dermatitis, drug-induced photoallergic reaction, phytophotodermatitis)
- Papular urticaria
- Papulovesicular pityriasis rosea
- Polymorphous light eruption
- Polymorphic eruption of pregnancy
- Eczematous drug eruption
- Mycosis fungoides
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Management Pearls
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Therapy
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References
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Last Reviewed:02/03/2021
Last Updated:02/03/2021
Last Updated:02/03/2021