Description_x000D_ General description_x000D_ Doxylamine belongs to the ethanolaime class of antihistamines and is metabolized by the liver into N-demethyl doxylamine and N,N-didemethyl doxylamine. It is generally available as an over the counter (OTC) drug for allergy and cold symptoms._x000D_ Application_x000D_ Doxylamine succinate salt has been used as a therapeutic drug to check developmental toxicity._x000D_ Packaging_x000D_ 5, 50 g in glass bottle_x000D_ Biochem/physiol Actions_x000D_ H1 histamine receptor antagonist; hypnotic._x000D_ Doxylamine suppresses histamine at the H1 receptor. It is associated with the short term management of insomnia and temporary relief of common cold symptoms. On the other hand, doxylamine intoxication is linked with rhabdomyolysis and secondary acute renal failure._x000D_ Studies in mice show that doxylamine induces liver microsomal cytochrome P450 and other enzymes involved in thyroxine (T4) metabolism. In combination with pyridoxine hydrochloride, this drug is used to treat morning sickness._x000D_ Features and Benefits_x000D_ This compound is also offered as part of Sigma′s Library of Pharmacologically Active Compounds (LOPAC®1280), a biologically annotated collection of high-quality, ready-to-screen compounds. Click here to learn more._x000D_ This compound was developed by Sanofi Aventis. To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here._x000D_ Legal Information_x000D_ LOPAC is a registered trademark of Sigma-Aldrich Co. LLC