IRCT2013091514666N1 IRCT 2013-11-23 Vice chancellor for research, Shiraz University of Medical Sciences The effect of training the usage of inhaler with and without spacer on pulmonary function and skill of inhaler aplication in patient with asthma The effect of training the usage of inhaler with and without spacer on pulmonary function and skill of inhaler aplication in patient with asthma referring to selected clinics of shiraz university of medical science 2013-04-21 anticipated 90 Complete https://irct.ir/trial/14224 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Prevention. N/A Asthma. Intervention 1: intervention1: spacer group were trained the correct use of inhaler with spacer. First session was about recognition of symptoms of asthma, including definition, etiology and drug treatment .Second session was about emphasis on importance of correct use of spray with spacer and advantages of using spacer for patients and its positive impact on the treatment process Also patients were taught correct use of inhaler with spacer Practically . and Third Session was about Summary of inhalation technique with spacer, review and eliminate pitfall of inhalation technique. Intervention 2: intervention 2: without spacer group: were trained the correct use of inhaler without spacer First session was about recognition of symptoms of asthma, including definition, etiology and drug treatment .Second session was about emphasis on importance of correct use of spray for patients and its positive impact on the treatment process Also patients were taught correct use of inhaler without spacer Practically . and Third Session was about Summary of inhalation technique, review and eliminate pitfall of inhalation technique. Intervention 3: intervention3: The control group received no intervention. Finally the both types of inhalation technique were presented to the patients through pamphlets.