introduction mild intermittent asthma is common in children and viral infections are responsible for the majority of exacerbations. as leukotrienes are potent inflammatory mediators, some studies have shown that montelukast, a leukotriene receptor antagonist, may be effective on reduction of asthma symptom. to determine whether a short course of montelukast in asthmatic children with common col...

background: asthma is the most common chronic disease of childhood. exposure to allergens plays an important role in asthma. recently, cockroach has attracted attentions as an important allergen.   objective: to evaluate cockroach allergy in iranian children with asthma.   methods: 100 children with asthma were studied. after determination of asthma severity, serum total ige and blood eosinophi...

introduction: international study on asthma was conducted to study the prevalence of asthma symptoms among 13-14 year old children using written and video questionnaires during the early 90's. the aim of the present study (isaac) was to evaluate the agreement between the two questionnaires which were self-completed by the children. methods: this study, which was a part of the third phase o...

recent studies have proposed that a decline in bacterial infections such as tuberculosis is a factor underlying the rising prevalence and severity of atopic disorder in developed countries. there are conflicting ideas about the inverse relationship between bcg (bacillus calmette-guerin) vaccination and asthma. stronger response to tuberculin test as an indicator of more potent th1 response is s...

Background: Asthma is the most common chronic respiratory disease and a leading cause of school absenteeism. Awareness, attitude, and knowledge of asthma can play an effective role in controlling this disease and its consequences. Accordingly, this study aimed to determine the level of asthma awareness among primary school teachers in Zanjan. Methods: This descriptive cross-sectional study was...

asthma is one of the most common diseases in childhood, which has been increased during last decade because of epidemiological pattern changes with climate and industrialization of the communities. there are some controversies on the relationship between air pollution and asthma. tehran, as the capital of iran, is one of the densest populations and is one of the most polluted cities in the worl...

asthma is one of the most common acute and chronic conditions in children, and the pediatricians are expected to provide an important role for asthma care in this age group, however there is no published information describing the different aspects of their practices about children asthma in iran. this study was done to characterize the knowledge of the iranian pediatricians about the diagnosis...

Gastro-esophageal reflux disease (GERD) regularly occurs when stomach acid moves up from the stomach into the esophagus. GERD might be associated with chronic asthma symptoms such as coughing and breathlessness. According to several studies on children and adults, GERD is proven to have a close relationship with asthma.  Medication treatment via proton-pump inhibitors (PPIs), such as Omeprazole,...

the relationship between mycoplasma pneumoniae (mp) infection and asthma has rarely been explored through examination of airway reactivity. the aim of this study was to determine airway reactivity changes after mp infection in children. first, 106 children were divided into four groups according to the existence of mp infection and/or asthma. then children with only mp belonged to the mp group;...