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Medically Approved

Ventolin HFA inhaler dosage: A detailed guide

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Doctors prescribe Ventolin HFA inhaler to manage certain breathing problems, such as asthma and chronic obstructive pulmonary disease (COPD), in adults and some children. You inhale it by mouth one to six times per day.
Medically reviewed by Beth Johnston, PharmD, BCPS
Updated on

This article describes Ventolin HFA inhaler’s dosages and strength and gives details on how to use it. You’ll also find information on cost savings and coupon options for Ventolin HFA. If you want to know more about Ventolin HFA inhaler, see this overview article. It covers details about the drug’s uses and side effects, ways to save on cost, and more.

Ventolin HFA is a brand-name medication that comes as an inhaler. It’s available in a generic version called albuterol sulfate. This article describes dosages of Ventolin HFA.

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Form and strength of Ventolin HFA

Ventolin HFA inhaler comes as follows:

  • Form: an aerosol that you inhale through the use of an inhaler
  • Strength: 90 micrograms (mcg) of albuterol per puff

Ventolin HFA comes as an aerosol in a canister containing either 18 grams of the drug (which provides 200 puffs) or 8 grams of the drug (which provides 60 puffs).

Dosage of Ventolin HFA

This article describes the recommended dosages for Ventolin HFA inhaler. The drugmaker provides these dosages. In some cases, doctors may adjust your dosage from those shown below.

If your doctor prescribes this medication, you should follow the dosage they prescribe. Your doctor will determine the dosage that best meets your needs. Do not change your dosage of Ventolin HFA inhaler without your doctor’s recommendation.

Usual recommended dosages of Ventolin HFA in adults

Usually, doctors start by prescribing a low dosage of Ventolin HFA inhaler. Then, they’ll adjust it over time until the right dosage is reached. Ultimately, your doctor will prescribe the smallest dosage of Ventolin HFA inhaler that gives the desired outcome.

Your doctor may prescribe Ventolin HFA inhaler for treatment of breathing problems, such as asthma and COPD, which can cause airway tightness. They may also prescribe the drug to help prevent airway tightness before an event that might trigger it. Your doctor will explain when you should use Ventolin HFA inhaler for your condition.

Dosage for airway tightness in adults

PurposeRecommended doseFrequency
treatment or prevention of airway tightnessone to two inhalations by mouth every 4 to 6 hours (as needed based on severity)
prevention of airway tightness caused by exercisetwo inhalations by mouth15 to 30 minutes before exercise

Instructions for use of the Ventolin HFA inhaler can be found on the drugmaker’s website.

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Dosages of Ventolin HFA in children

Ventolin HFA inhaler is approved for prevention and treatment of airway tightness in children ages 4 years and older with breathing problems like asthma. The recommended dosage of Ventolin HFA inhaler is the same for children and adults.

Dosage for airway tightness in children 4 years and older

PurposeRecommended doseFrequency
treatment or prevention of airway tightnessone to two inhalations by mouth every 4 to 6 hours (as needed based on severity)
prevention of airway tightness caused by exercisetwo inhalations by mouth15 to 30 minutes before exercise

Frequently asked questions

Below are answers to some commonly asked questions about Ventolin HFA inhaler and its dosage.

Does the Ventolin HFA inhaler need to be primed prior to each dose?

The inhaler needs to be primed, but not before every dose.

Priming the Ventolin HFA inhaler is necessary to make sure you get the appropriate amount of drug in each puff. You should prime the Ventolin HFA inhaler upon using it for the first time, when the inhaler has not been used for more than 2 weeks, or when the inhaler has been dropped.

To prime the inhaler, release four sprays of the drug into the air away from the face, shaking the inhaler well before each spray.

If you have questions about priming a Ventolin HFA inhaler, talk with your doctor or pharmacist.

Is Ventonin HFA used long term?

Yes, doctors typically prescribe Ventolin HFA inhaler as a long-term treatment. If you and your doctor determine that it’s safe and effective for your condition, you’ll likely use it long term. How often you need to use it will depend on your condition.

If you have questions about how long you should use Ventolin HFA, talk with your doctor.

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Overdose of Ventolin HFA

It’s important that you do not use Ventolin HFA inhaler more than your doctor prescribes. Doing so can lead to harmful effects.

Symptoms of Ventolin HFA overdose

Symptoms of an overdose can include:

What to do if you use too much Ventolin HFA

If you think you’ve used too much Ventolin HFA, call your doctor or pharmacist right away. Or you could call 800-222-1222 to speak with someone at America’s Poison Centers. You can also use its online resource. If you have severe symptoms, call 911 or a local emergency number immediately. You can also go to the closest emergency room.

Disclaimer: Optum Perks has made every effort to make certain that all information is factually correct, comprehensive, and up to date. However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional. You should always consult your doctor or another healthcare professional before taking any medication. The drug information contained herein is subject to change and is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. The absence of warnings or other information for a given drug does not indicate that the drug or drug combination is safe, effective, or appropriate for all patients or all specific uses.

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