A 29-year-old man is outside his home doing yard work when a bee stings him in the right arm. Within 10 minutes, he reports shortness of breath and multiple circular, pruritic bumps on his right arm. He drives to his healthcare provider’s office for evaluation. His past medical history is significant for hypertension for which he takes lisinopril. His known allergies include latex and aspirin. His blood pressure is 118/68 mm Hg, heart rate is 104/min, temperature is 37.7°C (99.8°F), and his respiratory rate is regular at 22/min. There is no edema, but wheals with erythema are present on the right arm. Auscultation of the lungs reveals mild wheezing at the lung bases. Which of the following is the best course of action in the management of this patient? A 29-year-old man is outside his home doing yard work when a bee stings him in the right arm. Within 10 minutes, he reports shortness of breath and multiple circular, pruritic bumps on his right arm. He drives to his healthcare provider’s office for evaluation. His past medical history is significant for hypertension for which he takes lisinopril. His known allergies include latex and aspirin. His blood pressure is 118/68 mm