Other breath-activated inhalers are also called dry powder inhalers. These inhalers do not contain the pressurised inactive gas to propel the medicine. You don't have to push the canister to release a dose. An acute exacerbation is more commonly known birli a 'flare-up'. An acute exacerbation of chronic obstructive pulmonary https://ucgp.jujuy.edu.ar/profile/liquorweeder8/