- Maintain airway
- Oxygen
- Consider albuterol 2.5 mg in 3 ml 0.9% NaCl via nebulizer every 5 minutes x4 doses
- Diphenhydramine (Benedryl) 25-50 mg IV/IM
- Epinephrine (1:1,000) 0.3 mg SQ. Contact medical control if there is a history or risk factors for coronary artery disease