This medication is an antihistamine used to treat and prevent nausea, vomiting, and dizziness caused by motion sickness. If you've been looking for the cost of  meclizine 12.5 mg and wanting to order online, it's actually easier and safer than ever before. You no longer have to order Meclizine capsules online from an overseas pharmacy, there are pharmacy websites that offer "no-prescription required" mail order meclizine hydrochloride in USA, Canada & worldwide.