Doxylamine succinate: The ingredient present in all NyQuil formulations is that of doxylamine succinate. Its elimination half-life is approximately 10 hours in healthy adults, meaning that at 10 hours post-ingestion, 50% of the doxylamine within NyQuil will have been eliminated from systemic circulation.
phlegmon (Noun) A solid mass formed by inflamed connective tissue, such as forms around an appendix in appendicitis. Origin: phlegmone, phlegmon, inflammation beneath the skin, from .
Appendicitis. A blockage in the lining of the appendix that results in infection is the likely cause of appendicitis. The bacteria multiply rapidly, causing the appendix to become inflamed, swollen and filled with pus.