By Medically reviewed by Hello Doktor Medical Panel


What is novomin (dimenhydrinate) used for?

Novomin is commonly used for preventing and treating nausea, vomiting, and dizziness caused by motion sickness. It may also be used for other conditions as determined by your doctor.

Dimenhydrinate tablets are an antihistamine and anticholinergic. It works in the brain to decrease nausea, vomiting, and dizziness.

How should I take novomin (dimenhydrinate)?

Use novomin tablets as directed by your doctor. Check the label on the medicine for exact dosing instructions.

Novomin tablets may be taken with or without food.

Use novomin tablets exactly as directed on the package, unless instructed differently by your doctor. If you are taking novomin tablets without a prescription, follow any warnings and precautions on the label.

Take the first dose at least 30 minutes before activity or travel.

How do I store novomin (dimenhydrinate)?

Novomin is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store novomin in the bathroom or the freezer. There may be different brands of novomin that may have different storage needs. It is important to always check the product package for instructions on storage, or ask your pharmacist. For safety, you should keep all medicines away from children and pets.

You should not flush novomin down the toilet or pour them into a drain unless instructed to do so. It is important to properly discard this product when it is expired or no longer needed. Consult your pharmacist for more details about how to safely discard your product.

Precautions & warnings

What should I know before using novomin (dimenhydrinate)?

Before using this drug, tell your doctor if:

  • You are pregnant or breastfeeding. This is because, while you are expecting or feeding a baby, you should only take medicines on the recommendation of a doctor.
  • You are taking any other medicines. This includes any medicines you are taking which are available to buy without a prescription, such as herbal and complementary medicines.
  • You have allergy with any of active or inactive ingredients of novomin or other medications.
  • You have any other illnesses, disorders, or medical conditions.
  • You are taking sodium oxybate (GHB).
  • You are currently taking or have taken a monoamine oxidase (MAO) inhibitor (e.g., phenelzine) in the past 14 days.

Is it safe during pregnancy or breastfeeding?

There are no adequate studies in women for determining risk when using novomin during pregnancy or while breastfeeding. Please always consult with your doctor to weigh the potential benefits and risks before taking novomin. Novomin is pregnancy risk category B, according to the US Food and Drug Administration (FDA).

FDA pregnancy risk category reference below:

  • A=No risk
  • B=No risk in some studies
  • C=There may be some risk
  • D=Positive evidence of risk
  • X=Contraindicated
  • N=Unknown

Side effects

What side effects can occur from novomin (dimenhydrinate)?

It may cause drowsiness when using this drug. Not everyone experiences these side effects. There may be some side effects not listed above. If you have any concerns about a side-effect, please consult your doctor or pharmacist.


What drugs may interact with novomin (dimenhydrinate)?

Novomin may interact with other drugs that you are currently taking, which can change how your drug works or increase your risk for serious side effects. To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs, and herbal products) and share it with your doctor and pharmacist. For your safety, do not start, stop, or change the dosage of any drugs without your doctor’s approval.

Products may interact with this drug, such as:

  • Sodium oxybate (GHB) because an increase in sleep duration and a decrease in the ability to breathe are likely to occur.
  • MAO inhibitors (e.g., phenelzine) because serious side effects, such as high blood pressure or seizure, may occur.
  • Antibiotics that may cause hearing problems (e.g., gentamicin, vancomycin) because dimenhydrinate tablets may mask symptoms of hearing problems.

Does food or alcohol interact with novomin (dimenhydrinate)?

Novomin may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug.

What health conditions may interact with novomin (dimenhydrinate)?

Novomin may interact with your health condition. This interaction may worsen your health condition or alter the way the drug works. It is important to always let your doctor and pharmacist know all the health conditions you currently have.

Health conditions which may interact with this drug are:

  • Asthma
  • Chronic obstructive pulmonary disease (COPD)
  • Chronic bronchitis
  • Emphysema
  • Lung disease
  • Shortness of breath
  • Sleep apnea
  • A blockage of the stomach, intestine, or urinary tract
  • Difficulty urinating
  • Diabetes
  • Ulcers
  • Enlargement of the prostate
  • Glaucoma
  • Heart disease
  • Irregular heartbeat
  • High blood pressure
  • Porphyria
  • Thyroid disease


The information provided is not a substitute for any medical advice. You should ALWAYS consult with your doctor or pharmacist before using novomin (dimenhydrinate).

What is the dose of novomin (dimenhydrinate) for an adult?

The dose is 50-100 mg 3-4 times daily. Initially 30 min before travelling.

What is the dose of novomin (dimenhydrinate) for a child?

Children >12 years:  50 mg (1 tab).

Children 8-12 years:  25-50 mg ½ to 1 tab.

Children 6-8 yr 12.5-25 mg (¼ to ½ tab).

Doses to be taken 2-3 times daily.

Initially 30 min before travelling.

How is novomin (dimenhydrinate) available?

Novomin is available in the following dosage forms and strengths:

  • Novomin Syrup; Oral; Dimenhydrinate 15 mg / 5 ml
  • Novomin Tablets; Oral; Dimenhydrinate 50 mg

What should I do in case of an emergency or overdose?

In case of an emergency or an overdose, call your local emergency services or go to your nearest emergency room.

What should I do if I miss a dose?

If you miss a dose of novomin, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.

Hello Health Group does not provide medical advice, diagnosis or treatment.

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Review Date: June 24, 2017 | Last Modified: December 19, 2019

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