What is Dimenhydrinate: Uses, Warnings & Interactions

Updated May 14, 2025  •  Published Dec 30, 2020

Dimenhydrinate overview

BRAND NAMES:

Generic Names:

  • Dimenhydrinate

Uses:

  • Prevents and treats motion sickness symptoms such as nausea, vomiting, or dizziness.

Therapeutic Classes:

  • Antiemetic, Antivertigo, Respiratory Agent

Forms:

  • Injectable

How it’s taken:

  • By injection

What is Dimenhydrinate used for?

What form(s) does Dimenhydrinate come in

  • Injectable

What are common Dimenhydrinate doses?

  • Vial 1ML of 50MG/ML

  • Bottle 1GM of

  • Bottle 25GM of

  • Bottle 100GM of

Common Dimenhydrinate prescriptions

  • dimenhyDRINATE
    100 tablets bottle

  • dimenhyDRINATE
    50mg tablet

How to take Dimenhydrinate

  • Your doctor will prescribe your exact dose and tell you how often it should be given. This medicine is given through a needle placed in one of your veins or as a shot into one of your muscles.

  • Injection routeA nurse or other health provider will give you this medicine.

  • Injection routeYou may be taught how to give your medicine at home. Make sure you understand all instructions before giving yourself an injection. Do not use more medicine or use it more often than your doctor tells you to.

  • Injection routeUse a new needle and syringe each time you inject your medicine.

  • Injection routeUse a new needle and syringe each time you inject your medicine.

  • Injection routeYou may be taught how to give your medicine at home. Make sure you understand all instructions before giving yourself an injection. Do not use more medicine or use it more often than your doctor tells you to.

  • Your doctor will prescribe your exact dose and tell you how often it should be given. This medicine is given through a needle placed in one of your veins or as a shot into one of your muscles.

  • Injection routeA nurse or other health provider will give you this medicine.

What to do if you miss a dose of Dimenhydrinate

  • You must use this medicine on a fixed schedule. Call your doctor or pharmacist if you miss a dose.

  • Injection routeThrow away used needles in a hard, closed container that the needles cannot poke through. Keep this container away from children and pets.

  • Injection routeAsk your pharmacist, doctor, or health caregiver about the best way to dispose of any leftover medicine, containers, and other supplies. Throw away old medicine after the expiration date has passed.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Dimenhydrinate contraindications

  • You should not use this medicine if you have had an allergic reaction to dimenhydrinate, diphenhydramine, 8-chlorotheophylline, or benzyl alcohol. This medicine should not be given to infants under one month of age.

Dimenhydrinate warnings

  • Make sure your doctor knows if you have heart rhythm problems, asthma, glaucoma, stomach ulcers, a blocked digestive tract, an enlarged prostate, or problems urinating (passing urine).

  • This medicine may make you dizzy or drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.

  • Fast heartbeat.

  • Make sure your doctor knows if you are pregnant or breast feeding.

Dimenhydrinate interactions

  • Make sure your doctor knows if you are using any antibiotics to treat an infection. There are many other drugs that can interact with dimenhydrinate. Make sure your doctor knows about all other medicines your are using.

  • Tell your doctor if you use anything else that makes you sleepy. Some examples are allergy medicine, narcotic pain medicine, and alcohol.

  • Do not drink alcohol while you are using this medicine.

Dimenhydrinate side effects

Serious Side Effects

  • Fast heartbeat.

  • Blurred vision.

  • Difficult or painful urination.

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Nausea, stomach upset, or loss of appetite.

Less Serious Side Effects

  • Nausea, stomach upset, or loss of appetite.

  • Anxiety, tiredness, or trouble sleeping.

  • Mild skin rash.

  • Headache.

  • Dryness in your mouth, nose and throat.