Types of Inhalers

8/10/2019 Types of Inhalers

1/23

BRONCHIAL


2/23

Also known as EVOHALERS.

The MDI has been used for over 40 years and isused to deliver various types and brands ofdrugs.

It contains a pressurised inactive gas thatpropels a dose of drug in each 'puff'.

This type of inhaler is quick to use, small, andconvenient to carry. It needs good co-ordination to press the canister, and breathe infully at the same time.

The Standard MDI Inhaler


3/23

The standard MDI is the most widely

used inhaler.

Common Errors include:

not shaking the inhaler before using it;

inhaling too sharply or at the wrong

time; not holding your breath long enough

after breathing in the contents.

Ex: Azmacort


4/23

They deliver a reliable, consistent dose of medicationdirectly to the lungs.

Most medicines are available in this form.

Disadvantages Need for good coordination to combine taking a deep

breath in with pressing the MDI No built-in dose counter

Not very efficient as a delivery device unless used with aspacer device (see Holding chambers and spacers)

Advantages


5/23


6/23


7/23

These inhalers do not contain the

pressurised inactive gas to propel the

drug.

Accuhalers, clickhalers, easyhalers,

novolizers, turbohalers, diskhalers and

twisthalers are all breath-activated drypowder inhalers.

You need to breathe in fairly hard to

get the powder into your lungs.


8/23

It is easy to use because there is no need to combinetaking a deep breath with activating the MDI.

It contains 400 doses.

Disadvantages Requires a more rapid inspiration (breath in) than the

standard MDI.

Activating lever may be hard to use for people with

dexterity or strength issues. Pirbuterol is not indicated for children under 12 years.

No built-in dose counter

Only pirbuterol (Maxair) is available in this device.

Advantages


9/23


10/23


11/23

The Aerolizer is breath activated. This means whenyou inhale, the Aerolizer automatically releases themedication. When inhaled correctly, the medication

has a better chance to reach the small airways. Thisincreases the medication's effectiveness. Theportable size, efficiency and convenience make theAerolizer a desirable method for inhalationtreatment.


12/23


13/23

Medicine is held in caps or blisters on a tapeinside the device. Each Diskus has 60 doses.

This medication must be used regularly to beeffective. It does not work immediately and shouldnot be used to relieve sudden shortness of breathor asthma attacks. If sudden breathing problemsoccur, use your quick-relief inhaler (such as albuterol,

also called salbutamol in some countries) asprescribed.

Diskus
http://www.webmd.com/asthma/guide/asthma-attackhttp://www.webmd.com/asthma/guide/asthma-attack


14/23


15/23

Medicine is held in a reservoir in the bottom of thedevice. Each Turbuhaler contains 200 doses. To clean,just wipe the mouthpiece with a clean cloth. Keep dust

cover on when not in use. Turbuhalers are a tube-shaped inhaler which has the

medication inside in the form of a dry powder. Theyhave a removable cover and a twisting base. The

device is breath-activated which means the drypowder medication is sucked from the device ratherthan firedlike it is from other devices.

Ex: Budesonide

Turbuhaler


16/23

Breath actuated Indicator tells when 20 doses left Easy to teach and to use No taste, which many persons prefer

Indicated for once-daily dosing in stable asthma Is safe for use in pregnancy

Disadvantages Only one medicine currently available in this device Can lose doses by playing with device Moisture sensitive No taste, so persons think theyre not getting anything

Advantages


17/23

Spacer devices are used with pressurised MDIs.

The spacer between the inhaler and themouth holds the drug like a reservoir when theinhaler is pressed. A valve at the mouth endensures that the drug is kept within the spacer

until you breathe in. When you breathe out,the valve closes.

You don't need to have good co-ordination touse a spacer device.

Spacer Devices


18/23


19/23


20/23


21/23


22/23

The equipment can be expensive and cumbersome

For traditional nebulizers, treatment times aresomewhat lengthy compared with other types ofinhalers and other routes of administration

With inadequate cleaning, medicine can be easilycontaminated

The spray is wet and cold

An external power source is needed, either electricityor compressed gas, making it less portable

Disadvantages


23/23

Documents

Types of Inhalers