Methods of treating or preventing a vertigo, nausea, or vomiting conditioncomprising injecting a subject with apharmaceutically acceptable formulation consisting essentially of an effectiveamount of meclizine or a pharmaceutically acceptablesalt thereof, a chemically modified cyclodextrin, and an aqueous carriermedium having a pH between about 2 and about 7 aredisclosed. An injectable pharmaceutical formulation for treating or preventinga vertigo, nausea, or vomiting condition consistingessentially of an effective amount of meclizine, a chemically modifiedcyclodextrin, and an aqueous carrier medium having a pHbetween about 2 and about 7 is also disclosed.
