doxylamine

Probably from d(imethyl) +‎ oxy(eth)yl +‎ -amine.

• (General American) IPA^(key): /dɑkˈsɪl.əˌmiːn/

doxylamine (uncountable)

1. (pharmacology) An antihistamine derived from pyridine that is typically used in the form of its succinate C₁₇H₂₂N₂O·C₄H₆O₄ to treat respiratory symptoms of the common cold and allergies, to induce sleep in the treatment of insomnia, and in combination with pyridoxine hydrochloride to control nausea and vomiting associated with pregnancy.
   • 2008 February 7, James Barron, “Medical Examiner Rules Ledger’s Death Accidental”, in New York Times‎:

     The drug doxylamine was also found in his system.

• doxylamine succinate

• “doxylamine”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.