Linear Immunoglobulin a Dermatosis

Tin Ming T Mok, MD Reviewed 04/2024

BASICS

DESCRIPTION

Linear immunoglobulin A (IgA) dermatosis is a chronic autoimmune blistering skin disease that affects both adult and pediatric populations (1).
Both adult and pediatric forms are cha...

DIAGNOSIS

HISTORY

Idiopathic forms of linear IgA dermatosis usually have a prodrome of pruritus or burning that occurs weeks prior to onset of blisters (bullae). Hives or urticaria may precede bullae. ...

TREATMENT

Given the paucity of linear IgA dermatosis, no large, randomized controlled trials have evaluated treatment.

GENERAL MEASURES

Usually, drug-induced adult linear IgA disease is self-limited an...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

Regular follow-up should be scheduled to assess for improvement, drug response, and necessary tailoring of therapy. Effective treatment may be tapered with remiss...

REFERENCES

Patrício P, Ferreira C, Gomes MM, et al. Autoimmune bullous dermatoses: a review. Ann N Y Acad Sci. 2009; 1173: 203– 210. [View Abst...

ADDITIONAL READING

Kim JS, Choi M, Nam CH, et al. Concurrent drug-induced linear immunoglobulin A dermatosis and immunoglobulin A nephropathy. Ann Dermatol. ...

CODES

ICD10

L13.8 Other specified bullous disorders

SNOMED

95330001 Linear IgA dermatosis (disorder)
238942002 Adult linear immunoglobulin A disease (disorder)
109250009 Chronic bullous dermatosis of chil...

CLINICAL PEARLS

Linear IgA dermatosis is an autoimmune blistering disorder with a bimodal age distribution involving children <5 years and adults >60 years.
Idiopathic or medication-induced etiol...

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