People with extreme, life-threatening allergic reactions might do as well to use a nasal spray as jab themselves in a thigh with an EpiPen, a new evidence review says. Adrenaline delivered with liquid or powder nasal sprays is as effective, and sometimes even better, than injected adrenaline, researchers reported Tuesday at the European Emergency Medicine Congress in Vienna. "My review found that intranasal adrenaline, a needle-free alternative delivered as a liquid or dry powder spray, can be