By Medically reviewed by hellodoktor

Generic Name: Halothane Brand Name(s): Generics only. No brands available.


What is halothane used for?

Halothane is indicated for the induction and maintenance of general anesthesia.

How should I take halothane?

  • Take this product by mouth as directed. Follow all directions on the product package.
  • If you are uncertain about any of the information, consult your doctor or pharmacist.

How do I store halothane?

Halothane is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store halothane in the bathroom or the freezer. There may be different brands of halothane 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 halothane 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 halothane?

Before using halothane, tell your doctor if you have:

  • Allergic reaction to excipients using for dosage form containing halothane.
  • Allergic reaction to any other medicines, foods, dyes, preservatives, or animals.
  • Used any other health conditions, drugs that have a risk of interaction with halothane.

Is it safe during pregnancy or breastfeeding?


There are no adequate studies in women for determining risk when using halothane during pregnancy or while breastfeeding. Please always consult with your doctor to weigh the potential benefits and risks before taking halothane. Halothane is pregnancy risk category C, 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


It is not known whether this drug is excreted in human milk. Because many drugs are excreted in human milk, caution should be exercised when halothane is administered to a nursing woman.

Side effects

What side effects can occur from halothane?

The following adverse reactions have been reported:

  • Hepatic necrosis
  • Cardiac arrest
  • Hypotension
  • Respiratory arrest
  • Cardiac arrhythmias
  • Hyperpyrexia
  • Shivering
  • Nausea
  • Emesis

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 halothane?

Halothane 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:

  • Non-depolarising muscle relaxants
  • Aminoglycosides
  • Adrenaline
  • Aminophylline
  • Theophylline
  • Tricyclic antidepressants

Does food or alcohol interact with halothane?

Halothane 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 halothane?

Halothane 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.


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

What is the dose of halothane for an adult?

The induction dose varies from patient to patient but is usually within theĀ rangeĀ of 0.5% to 3%. The maintenance dose varies from 0.5% to 1.5%.

Halothane may be administered with either oxygen or a mixture of oxygen and nitrous oxide.

What is the dose of halothane for a child?

The dosage has not been established in pediatric patients. It may be unsafe for your child. It is always important to fully understand the safety of the drug before using. Please consult with your doctor or pharmacist for more information.

How is halothane available?

Halothane is available in the following dosage forms and strengths:

  • Inhalant 250ml

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 halothane, 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.

Review Date: January 13, 2017 | Last Modified: September 13, 2019

You might also like