-Importance of inhalation technique for effective dosing
- to follow this series of actions: shake, prime, shake, exhale ( to increase capacity for drug intake), spray, inhale
- default inhalation rate is variable and therefore its essential to match the product to meet the specific needs of the patient.
-With MDIs- instruct the patient to use Slow and steady inhalation technique ( encourage drug to enter deep areas of lungs and not impact the back of the throat accumulating there due to high speed- 20% Vs 5% reaching deep lungs with poor inhaler technique. Deposition increases chances of developing ADRs such as oral thrush). -Spacers can also help control the rate of gas particles released per dose thereby improving administration. ( optimum inspiratory flow)
-With DPIs- instruct the patient to use Fast and deep inhalation technique
- Finally, In-check inspiratory flow meter can help determine natural/default inhalation rate as a basis for recommending the most suitable inhaler for a certain patient.
Please see: https://pharmacyinpractice.org/2016/03/08/the-importance-of-inhaler-technique-a-pharmacistgp-collaboration/
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