Structure (Doxylamine Succinate)
Doxylamine succinate is a first-generation antihistamine with a tricyclic structure.
It is paired with succinic acid to form a salt, improving solubility.
Chemical Formula: C₁₉H₂₉NO₃·C₄H₆O₄
Mode of Action
Functions as an H₁-receptor antagonist with anticholinergic and sedative properties.
It inhibits the action of histamine at peripheral and central H₁ receptors.
Uses
Insomnia: Used as a short-term treatment for sleep disturbances.
Allergic Reactions: Relieves symptoms of allergic rhinitis and urticaria.
Cold Symptoms: Alleviates runny nose and sneezing