In extreme cases, excess nitric oxide could cause lung injury or methemoglobinemia—a condition where red blood cells struggle to transport oxygen. If you're having a severe allergic reaction or ...

Thomas E. Siddons, BSc, Mohammed Asif, MA, BMBCh, FRCS, and Tim W. Higenbottam, MD, MA, BSc, FRCP, University of Sheffield, Sheffield, United Kingdom ...