Asthma and coffee In summary | In detail Taking caffeine improves lung function in asthmatics and seems to make breathing easier. Caffeine is something most people have everyday in such things as tea, asthma control exercise-induced asthma coffee and chocolate. It is also a substance related to theophylline which can be used to treat asthma. Some asthmatics may have noticed that after drinking coffee their asthma symptoms improve. A review was done to confirm this exercise-induced asthma exercise-induced asthma observation. This review evaluated 6 clinical trials that compared patients with asthma taking caffeine in liquid and capsule form to those not taking caffeine. All of the studies found that caffeine improved lung function mildly for up to four asthma attack cause exercise-induced asthma hours after drinking this substance. The researchers concluded that caffeine does slightly improve lung function. In addition, they felt it necessary to warn people not to take any caffeine 4 hours before any lung function test since it could asthma spacers exercise-induced asthma affect their test results.
