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Dimenhydrinate

Brand names: Dramamine Original

Dimenhydrinate (Dramamine) prevents and treats motion sickness: nausea, vomiting, and dizziness from travel.

Brand namesDramamine Original
Type of medicineAntihistamine (motion sickness medicine)
Prescription?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's sedating. 'Less Drowsy' Dramamine contains meclizine instead.

What it's used for

  • Motion sickness

How to take it

  • Take it 30 to 60 minutes before travel.
  • Follow the label for age and daily limit.

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
  • Blurry vision
Call your provider todayConfusion or trouble peeing
Call 911Too much: seizures, seeing things, or a fast heartbeat

Warnings

  • Don't drive after taking it.
  • Not for children under 2 unless a provider says to.

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

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.