Other breath-activated inhalers are also called dry powder inhalers. These inhalers do hamiş contain the pressurised inactive gas to propel the medicine. You don't have to push the canister to release a dose. Some topical corticosteroids birey be bought 'over the counter' without a prescription. For example, for dermatitis, the http://www.stes.tyc.edu.tw/xoops/