Methods of treating or preventing a vertigo, nausea, or vomiting condition comprisinginjecting a subject with a pharmaceutically acceptable formulation consistingessentially of an effective amount of meclizine or a pharmaceutically acceptablesalt thereof, a chemically modified cyclodextrin, and an aqueous carrier mediumhaving a pH between about 2 and about 7 are disclosed. An injectable pharmaceuticalformulation for treating or preventing a vertigo, nausea, or vomiting conditionconsisting essentially of an effective amount of meclizine, a chemically modifiedcyclodextrin, and an aqueous carrier medium having a pH between about 2 and about7 is also disclosed.
