IRCT201105264396N2 IRCT 2011-06-13 Babol University of Medical Sciences The effect of dexamethasone and dexamethasone with nebulised L-epinephrine in treatment of croup. The effect of dexamethasone and dexamethasone with nebulised L-epinephrine in treatment of croup. 2010-03-21 anticipated 94 Complete https://irct.ir/trial/4688 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment. N/A Croup. Intervention 1: In this study, control group, will be treated with 0.6mg/kg intramuscular Dexamethasone at a single dose and 3cc nebulized N/S. Before treatment and 30 and 60 minutes after treatment, croup score and respiratory rate per minute will be calculated for each patient and age, gender, duration of stay in the emergency ward and hospitalization status will be recorded. Croup diagnosis will be based on clinical signs and croup scoring according to asthma and allergy specialist’s scoring. Intervention 2: In this study, the case group will be treated with 0.6mg/kg intramuscular Dexamethasone at a single dose and nebulized epinephrine (0.5mL of 1:1000 (1mg/mL) in 3mL N/S for less than 10kg weight and 1mL for more than 10kg weight. Before treatment and 30 and 60 minutes after treatment, croup score and respiratory rate per minute will be calculated for each patient and age, gender, duration of stay in the emergency ward and hospitalization status will be recorded. Croup diagnosis will be based on clinical signs and croup scoring according to asthma and allergy specialist’s scoring.