The moveable asthma inhaler aids in providing the specified drug to alleviate the asthma attack. The asthma inhaler works by reducing the inflammation within the airways. The inhaler delivers the specified dosage to the patient. The drug will be delivered by inhaling through the mouth or nasally. The medication used can rely upon the asthma attack faced by the person.
There are varied varieties of inhalers and might be classified as pressurised metered dose inhalers (MDIs), breath-activated inhalers – MDIs and dry powder inhalers, inhalers with spacer devices and nebulizer.
The pressurised metered inhalers use an inactive gas to inject the drug. Pushing down the highest of the inhaler, releases the drug and it’s to be inhaled. it’s conjointly tiny and simple to hold. Some inhalers have meters which may indicate the quantity of doses that stay to be used. Otherwise, one can have to be compelled to count the doses to stay track. the disadvantage is that, it needs coordination, because the person needs to press down and inhale at an equivalent time.
The drug is discharged by simply respiration on the mouth piece and is less complicated to work than the pressurised one. Though, Inhalation needs to be done forcefully for the drug to be released.
Inhalers with spacer devices are a lot of easier to work than the opposite sorts. Inhaling through the mouth piece causes the spacer to releases the drug. A valve stops the drug from exiting the spacer when one breathes out. In some varieties of spacers, a face mask will be fitted rather than a mouthpiece.
Nebulizers convert the drug into the shape of a mist. this may be breathed in with a face mask or mouth piece. This drug delivery system is employed in hospitals where there are severe cases of asthma.