How can I get rid of severe vertigo?

Diagnosis. The answer to your question is to get a proper diagnosis by an ENT doc. Over the counter dramamine (dimenhydrinate) (meclizine) sedates the brain and may give you some relief. But to get rid of the vertigo, you need to know what is the cause. 5 possibilities include: bppv, meniere's disease, viral labyrinthitis, autoimmune disease of the inner ear and central (brain) disease. See ent.