The client diagnosed with a bee sting allergy is being discharged from the emergency department. Which priority discharge instruction should be taught to the client?

B Teach the client to never go outdoors in the spring and summer. A Demonstrate how to use an EpiPen, an adrenergic agonist. C Have the client buy diphenhydramine over the counter to use when stung. D Discuss wearing a Medic Alert bracelet when going outside.