What is "pimethixene"

n. An antihistamine drug often used to treat hyperactivity, anxiety, sleep disorders, and allergy, also used for anesthesia and as a bronchodilator.

Pimethixene is an antihistamine and anticholinergic of the thioxanthene chemical class that is often used to treat hyperactivity, anxiety, sleep disorders, and allergy. It is also used for anesthesia and as a bronchodilator (to dilate the bronchi and bronchioles for more airflow).