Epinephrine•HCl 0.3 ml Diphenhydramine•HCl 50 mg Oxygen (1:1,000) IM q 6h IM or PO Diphenhydramine•HCl 50 mg Diphenhydramine•HCl 50 mg Ephedrine sulfate 25 mg q q 6h IV 6h Ephedrine sulfate 25 mg q 6h Monitor blood gases Hydrocortisone Tracheostomy