Other breath-activated inhalers are also called dry powder inhalers. These inhalers do derece contain the pressurised inactive gas to propel the medicine. You don't have to push the canister to release a dose. Steroids emanet be classified based on their chemical composition.[52] One example of how MeSH performs this classification http://xn--80aakbafh6ca3c.xn--p1ai/user/pilotburn3/