Conference Coverage

Many common dermatologic drugs can be safely used during pregnancy


 

EXPERT ANALYSIS FROM AAD 2019

Pemphigus

Pemphigus (impetigo herpetiformous) is a serious dermatologic disorder that can manifest in the third trimester, and affect the fetus as well as the mother. “You have to take even mild cases very seriously, because there’s no distinct correlation between the extent of neonatal involvement and the extent of maternal disease,” Dr. Murase said

Oral pemphigus in the mother is especially worrisome, she added. “Fetal skin shares the same desmoglein-3 profile as adult oral mucosa, and neonatal pemphigus is more likely if mother has oral disease. There’s an increased risk of fetal demise as well.”

Treatment would generally start with topical steroids, progressing to systemic low-dose corticosteroids. If more than 20 mg of prednisone a day is required, consider intravenous immunoglobulin (IVIG), azathioprine, dapsone, or rituximab.

“IVIG is very safe for pregnant women, and in fact reproductive endocrinologists use this to increase the chance of pregnancy for infertility cases,” Dr. Murase said.

She reported relationships with Regeneron, UCB, Dermira, and Genzyme/Sanofi.

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