 [ Symptoms ] i have asthma and i take ventolin inhaler and seretide inhaler been having difficulty in breathing for 10 weeks and a constant cough for 6 months with clear phlemg [ Disease ] i think you might be experiencing complicated infection in lung that caused pleurisy a sputum culture is needed to show which bacteria is it and what antibiotic is suitable for its treatment later breathing exercises and avoiding cold air is going to help using also spirometer can help increase your lung capacity a cup of coffee in the morning after a small meal is good for helping bronchospasm reduce carbs intake