 [ Symptoms ] what are possible dangers when wearing a knee brace  if it is a little tight [ 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