Meclizine hydrochloride is a medication commonly used to treat symptoms of vertigo, motion sickness, and other inner ear disorders. There are many synonyms that are used to refer to this medication, including anclizine, bemeclizine, ciclizine, dimenhydrinate, and diphenhydramine. Each of these medications has a slightly different chemical structure and may have varying side effects or effectiveness in treating certain conditions. It is important to consult with a healthcare provider before taking any medication to ensure that it is safe, appropriate, and effective for your specific condition.