Metered Dose Inhalers: How It Works and the Right Way to Use Them

Metered Dose Inhalers: How It Works and the Right Way to Use Them

Inhalers are the most commonly used devices for managing various respiratory conditions.

What are Metered Dose Inhalers?

Metered dose inhalers (MDIs) are small handheld devices used to deliver medication directly to the lungs. They are commonly used to treat respiratory conditions such as asthma, chronic obstructive pulmonary disease (COPD), and bronchitis.

The MDI consists of a canister filled with medication that is pressurized with a propellant. When the device is activated, a small amount of medication is released as a fine mist or aerosol. The medication is inhaled into the lungs through a mouthpiece or mask.

What are the advantages of Metered Dose Inhalers (MDIs)?

MDIs are preferred by many patients because they are easy to use, portable, and deliver medication quickly and efficiently. They also require less coordination and effort compared to other inhalation devices, such as dry powder inhalers.

What medicines are present in MDIs?

Some common medications delivered via MDI include bronchodilators, which help to open up the airways and make breathing easier, and corticosteroids, which reduce inflammation in the airways. MDIs may also contain combination medications that contain both a bronchodilator and a corticosteroid.

What is the correct way to use an MDI?

Using a metered dose inhaler (MDI) properly is crucial to ensure that you receive the correct dose of medication and manage your respiratory condition effectively. Here are some general steps to follow when using an MDI:

Step 1: Prepare the inhaler

Remove the cap from the MDI and shake the canister vigorously for a few seconds. If it's the first time using a new inhaler or if it hasn't been used in a while, prime the inhaler by spraying it into the air a few times.

Step 2: Position the inhaler

Hold the inhaler upright with your thumb on the base and your index and middle fingers on the top of the canister. Alternatively, you can hold the inhaler with both hands, placing your thumbs at the base and your other fingers on the top.

Step 3: Exhale

Take a deep breath and exhale completely.

Step 4: Inhale

Place the mouthpiece in your mouth and form a tight seal around it with your lips. As you begin to inhale slowly and deeply, press down on the canister to release the medication. Be sure to continue inhaling for a few seconds after pressing the canister down to ensure you receive the full dose.

Step 5: Hold your breath

Hold your breath for about 10 seconds, or for as long as you comfortably can, to allow the medication to reach deep into your lungs.

Step 6: Exhale

Exhale slowly through your mouth.

Step 7: Wait and repeat

If you need to take more than one puff, wait about 30 seconds to a minute before taking the next one. Repeat the process for each puff you need to take.

Step 8: Clean the inhaler

After using the inhaler, wipe the mouthpiece with a clean, dry cloth or tissue. If necessary, you can also rinse the mouthpiece with warm water and let it air dry.

Remember to always follow the instructions provided with your MDI and consult with your healthcare provider if you have any questions or concerns about using your inhaler.







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