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 .
What is appendicitis and what causes it? Appendicitis is a sudden inflammation of the appendix. Although the appendix does not seem to serve any purpose, it can become diseased and, if untreated, can burst, causing infection and even death. The cause of appendicitis is usually unknown.