Doxylamine¿¡ ´ëÇÑ Mechanism_Of_Action Á¤º¸ Like other antihistamines, doxylamine acts by competitively inhibiting histamine at H1 receptors. It also has substantial sedative and anticholinergic effects.
Pharmacology
Doxylamine¿¡ ´ëÇÑ Pharmacology Á¤º¸ Doxylamine is an antihistamine commonly used as a sleep aid. This drug is also used to relieve symptoms of hay fever (allergic rhinitis), hives (rash or itching), and other allergic reactions. Doxylamine is a member of the ethanolamine class of antihistamines and has anti-allergy power far superior to virtually every other antihistamine on the market, with the exception of diphenhydramine (Benadryl). It is also the most powerful over-the-counter sedative available in the United States, and more sedating than many prescription hypnotics. In a study, it was found to be superior to even the barbiturate, phenobarbital for use as a sedative. Doxylamine is also a potent anticholinergic.
Metabolism
Doxylamine¿¡ ´ëÇÑ Metabolism Á¤º¸ # Phase_1_Metabolizing_Enzyme:Not Available
Protein Binding
Doxylamine¿¡ ´ëÇÑ ´Ü¹é°áÇÕ Á¤º¸ Not Available
Half-life
Doxylamine¿¡ ´ëÇÑ ¹Ý°¨±â Á¤º¸ 10 hours
Absorption
Doxylamine¿¡ ´ëÇÑ Absorption Á¤º¸ Readily absorbed via the gastrointestinal tract.
Biotransformation
Doxylamine¿¡ ´ëÇÑ Biotransformation Á¤º¸ Hepatic.
Toxicity
Doxylamine¿¡ ´ëÇÑ Toxicity Á¤º¸ Signs of overdose include wheezing, tightness in the chest, fever, itching, bad cough, blue skin color, fits, swelling of face, lips, tongue, or throat.
Drug Interactions
Doxylamine¿¡ ´ëÇÑ Drug_Interactions Á¤º¸ Not Available
Doxylamine¿¡ ´ëÇÑ Description Á¤º¸ Histamine H1 antagonist with pronounced sedative properties. It is used in allergies and as an antitussive, antiemetic, and hypnotic. Doxylamine has also been administered in veterinary applications and was formerly used in parkinsonism. [PubChem]