A Child with No Previous History of Asthma Is Brought

A child with no previous history of asthma is brought to the emergency department with wheezing, stridor, and shortness of breath. When the child is started on oxygen and given a nebulized bronchodilator treatment, the treatment team notes a wheal and flare rash on the child's trunk. What medication will be given immediately?

A) Inhaled racemic epinephrine
B) Intramuscular epinephrine
C) Intravenous diphenhydramine
D) Intravenous ranitidine