A children presents with running nose, breathlessness, family history positive, Most likely diagnosis is ?

The given features are suggestive of bronchial asthma. Clinical presentation Wheezing, dyspnea and cough. Variable -- both spontaneously and with therapy. Tenaceous mucus production. Symptoms worse at night. Nonproductive cough Limitation of activity Signs Inc. respiratory rate,with use of accessory muscles Hyper-resonant percussion note Expiratory rhonchi,expiration>inspiration. During very severe attacks,airflow may be insufficient to produce rhonchi - SILENT CHEST No findings when asthma is under control or blw attacks Ref : Essential pediatrics,O.P.Ghai , 7th edition,pg no:358