..took aprox. 10 sec to find on google.
Meclizine hydrochloride: Insoluble in water, Insoluble in ether, Very soluble in chloroform, pyridine,and acid-alcohol-water mixture; slightly soluble in dilute acids and alcohol.
You might want to have a look at these first.
http://www.erowid.org/experiences/exp.php?ID=9434 (http://www.erowid.org/experiences/exp.php?ID=9434)
http://www.erowid.org/experiences/exp.php?ID=1204 (http://www.erowid.org/experiences/exp.php?ID=1204)