Asthma= chronic disease characterized by Hyperresponsive airway, characterized by Bronchoconstriction, shortness of breath, cough, chest tightness, wheezing, rapid respiration COPD= Irreversible obstruction of airway include Emphysema and chronic Bronchitis Allergic Rhinitis Inflammation of mucous memb. Of nose characterized by itchy, watery eyes, runny nose, unproductive cough, nasal congestion Cough defensive respiratory response to irritants Meterd –dose inhaler= contain Ozone-depleting Chlorofluorocarbons...SLOWLY & DEEPLY technique ….Nedocromil, Metaproterenol, Cromolyn, Flunisolide, Albuterol/Ipratropium, Pirbuterol New formulations are environment friendly include HydrofuoroAlkanes & Dry powder inhaler (DPIs) ….DPI technique QUICKLY, DEEPLY Drugs for Asthma Epinephrine DOC in Acute Anaphylaxis & Status Asthmaticus Quick relief= by Short-acting β2- Agonists e.g ALBUTEROL 5-30min onset, 6-4hr t1/2 not catecholamine , not hydrolyzed by COMT… S.E; Hypokalemia, Hyp...