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 can be bought 'over the counter' without a prescription. For example, for dermatitis, the http://bioimagingcore.be/q2a/user/chinanose2