RebelEM

SEPTEMBER 13, 2023

Urticaria and pruritus = MAST CELL mediated, which is treated like a standard allergic reaction. Features Urticaria and pruritis Rapid onset (1-2 hours) IgE Dependent (Type I Hypersensitivity) Reactions An allergen cross-links two or more IgE molecules on mast cells or basophils and initiates a signal cascade leading to degranulation.

Allergic Reactions 101

Allergic Reactions Airway Management Anaphylaxis Emergency Department 101

Pediatric Education

JUNE 18, 2023

You don’t seem to be having an allergic reaction to it, and it also doesn’t look like this is poison ivy or something else like that that you might have fallen into. J Pediatr Surg. Pediatr Dermatol. Pediatr Dermatol. D’Alessandro, MD Professor of Pediatrics, University of Iowa

Allergic Reactions 40

Allergic Reactions Poisoning Pediatrics Infectious Diseases 40

EB Medicine

SEPTEMBER 1, 2018

Jeff: Hypotension should be treated with isotonic fluids and, as usual, anaphylaxis should be treated with the usual cocktail of antihistamines and epinephrine at first IM and then via infusion if refractory. Note that antivenom will NOT reverse anaphylaxis on its own. Regardless, the treatment is the same – epinephrine.

Emergency Department 40

Emergency Department Poisoning Anaphylaxis Allergic Reactions 40