Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 1/12/2026

Acute Facial Flushing: Differential Diagnosis and Key Clinical Features

Anaphylaxis

Drug‑Induced Flushing

Vasovagal (Vasodepressor) Reaction

Carcinoid Syndrome

Scombroid (Histamine) Fish Poisoning

Rosacea (Erythematotelangiectatic Type)

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