Allergic Reactions, Anaphylaxis, and Immunologic Emergencies Practice Test

Blocking both H1 and H2 receptors may provide more complete relief of cutaneous symptoms like urticaria.

H2 blockers are the primary treatment for the gastrointestinal symptoms of anaphylaxis.

Famotidine potentiates the vasopressor effects of epinephrine on the cardiovascular system.

H2 blockers provide synergistic bronchodilation when combined with albuterol.