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    • Deprecated function: Return type of DatabaseStatementBase::execute($args = [], $options = []) should either be compatible with PDOStatement::execute(?array $params = null): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in require_once() (line 2246 of /var/www/webmd/apps/mdedge/htdocs/includes/database/database.inc).
    • Deprecated function: Return type of DatabaseStatementEmpty::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in require_once() (line 2348 of /var/www/webmd/apps/mdedge/htdocs/includes/database/database.inc).
    • Deprecated function: Return type of DatabaseStatementEmpty::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in require_once() (line 2348 of /var/www/webmd/apps/mdedge/htdocs/includes/database/database.inc).
    • Deprecated function: Return type of DatabaseStatementEmpty::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in require_once() (line 2348 of /var/www/webmd/apps/mdedge/htdocs/includes/database/database.inc).
    • Deprecated function: Return type of DatabaseStatementEmpty::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in require_once() (line 2348 of /var/www/webmd/apps/mdedge/htdocs/includes/database/database.inc).
    • Deprecated function: Return type of DatabaseStatementEmpty::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in require_once() (line 2348 of /var/www/webmd/apps/mdedge/htdocs/includes/database/database.inc).

    Jonathan S. Leventhal, MD

    Article

    Diffuse erythema and thick yellow scale on the chest, abdomen, and arms.

    Crusted Scabies Presenting as Erythroderma in a Patient With Iatrogenic Immunosuppression for Treatment of Granulomatosis With Polyangiitis

    Author:
    Brianna Olamiju, MD
    Jonathan S. Leventhal, MD
    Matthew D. Vesely, MD, PhD

    Crusted scabies is a highly contagious, severe cutaneous ectoparasitic infection that can present atypically in the form of erythroderma.

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    Article

    Violaceous Plaques and Papulonodules on the Umbilicus

    Author:
    Jonathan S. Leventhal, MD
    Emily Yin, BS
    Suguru Imaeda, MD

    A 75-year-old man presented for...

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    Article

    Cyanosis of the Foot

    Author:
    Veronica J. Shi, MD
    Jonathan S. Leventhal, MD
    Kofi A. Mensah, MD, PhD
    Anjela Galan, MD
    Keith A. Choate, MD, PhD

    A man in his 50s with a medical history of arterial thrombosis of the right arm, multiple deep vein thromboses (DVTs) of the legs on long-term...

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    Article

    Purpuric Lesions of the Scalp, Axillae, and Groin of an Infant

    Author:
    Michele Khurana, MD
    Jonathan S. Leventhal, MD
    Lauren Levy, MD
    Jennifer M. McNiff, MD
    Richard J. Antaya, MD
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    • MDedge Home
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    • Emergency Medicine
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    • Family Medicine
    • Federal Practitioner
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