A previously healthy 18-month-old girl presented to a local hospital with a 2-day history of dry cough, hoarse voice and difficulty breathing. There was no history of aspiration. Despite therapy with ...
Biphasic anaphylaxis is a second anaphylactic reaction after successful treatment, without new allergen exposure. It can occur up to 72 hours later, often peaking within 8 to 11 hours. Symptoms can ...
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