Asthma is a chronic condition that causes inflammation and narrowing of the bronchial tubes and the airway passage and this lead to dyspnea and wheezing during breathing. The aim of this study is to describe the trends of bronchial asthma (socio demographic characteristics, severity of asthma, etiological factors, body mass index, symptoms and sign of asthma and drugs taken by the patients to relieve asthma symptoms) for the asthmatic patients who attend the primary health care centers and hospitals in left side of Mosul city and to achieve this aim a case-series study was performed. This study revealed that [60.33%] of patients had intermittent severity of asthma, and [26.66%] had mild persistent, then moderate persistent [8.66%], finally severe persistent [4.33%]. Also this study revealed that [28%] of patients had a genetic factor [family history] and [63.33%] of patients their asthma caused by environmental factors. On the other hand, this study revealed that [42.33%] of the patients had attacks of breathlessness, and [27.66%] of the patients had attacks of cough, then[11.33%] had wheezing and [9.33%] had chest pain [tightness], then [6.33%] presented with feeling weak or tired when exercising, finally only [3%] presented with trouble sleeping with night time asthma. According to the BMI, this study revealed that [61.33%] of the patients were within normal weights, over-weight patients were about [22.33%], obese patients were about [10.66%], & very obese patients were only [5.66%]. According to the results of this study we can conclude that males were affected more than females, also bronchial asthma mainly affects young age group 5-15 years old, most asthmatic patients were living in urban areas, illiterates, show intermittent clinical pattern of asthma, and finally more than one third of patients use inhaled B2 agonists and about 25% of the patients use inhaled steroid to relief their asthma symptoms.