| Sublingual nitroglycerin is used to control acute exacerbations of angina and was used as a marker for patient health status. |
| Nitrostarch explosives, however, do not produce the headaches from skin contact that are characteristic of mixtures containing nitroglycerin. |
| Modern, smokeless propellants date from 1846 when both nitrocellulose and nitroglycerin first emerged from European laboratories. |
| Consequently, nitroglycerin went largely unnoticed for many years, while the manufacture and use of guncotton, despite several notorious accidents, spread throughout Europe. |
| Gunpowder reigned supreme until the invention of more powerful substances, notably nitroglycerin and its offshoot, dynamite. |
| Vasodilators such as nitroglycerin, alcohol, and carbon dioxide may trigger a headache during a cluster period. |
