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Meclizine

Brand names: Antivert, Bonine, Dramamine Less Drowsy

Meclizine is an antihistamine that prevents motion sickness and eases vertigo spinning.

Brand namesAntivert, Bonine, Dramamine Less Drowsy
Type of medicineAntihistamine (motion sickness and vertigo medicine)
Prescription?Both prescription and over the counter
ImportantThis page is general information, not a prescription. Don't start, stop, or change a medicine without talking to your provider or pharmacist.

Overview

It calms signals from the inner ear.

What it's used for

  • Motion sickness
  • Vertigo from inner ear problems

How to take it

  • For motion sickness, take it about 1 hour before travel.
  • Follow the label.

Your dose depends on your health and other medicines. Always follow your prescription label, and ask your pharmacist if anything is unclear.

Side effects

Common side effects

  • Sleepiness
  • Dry mouth
  • Tiredness
Call 911Swelling of the face, lips, or throat, hives, or trouble breathing
Call your provider todayTrouble peeing or confusion
Call 911Vertigo with weakness, trouble speaking, double vision, or trouble walking (possible stroke)

Warnings

  • Don't drive until you know how it affects you.
  • Older adults are more likely to become confused or fall.

Other medicines, foods, and alcohol

  • Alcohol and sedating medicines add to drowsiness.

Tell your provider and pharmacist about every medicine, vitamin, and supplement you take.

Pregnancy and breastfeeding

Sometimes used for nausea in pregnancy. Ask your provider.

Missed doses, overdose, and storage

If you miss a dose

This medicine is often taken only when needed. If you take it on a schedule, take a missed dose when you remember, unless it's almost time for the next one. Don't double up.

If someone takes too much

Call Poison Control at 1-800-222-1222 or get help online at poison.org. Call 911 if the person collapses, has a seizure, has trouble breathing, or can't be woken.

Storing it

Store at room temperature, away from heat and moisture (not in the bathroom), and out of reach of children and pets.

Conditions it's used for

Sources

Last updated 2026-11-13.