You don't need polyvisol if you are treating with vitamin B1 (thiamine), E, and selenium, but it is found at WalMart in the vitamin aisle and in any drug store in infant vitamins. I haven't heard anything about Meclizine (Bonine, Dramamine II) except that it's great for motion sickness. Scroll down to the bottom of this link for dosages: http://www.browneggblueegg.com/Article/Crookneck/Crookneck.html