How do you control asthmatic breathing in very hot dry weather?

Asthma Controllers. If your asthma is causing you to have increased symptoms, regardless of the trigger, hot weather included, you may need to have a controller medication prescribed or the one you are using may need to be increased. Immediate symptomatic relief is achieved by using a rescue medication like albuterol, but the symptom improvement is very short-lived. That is why a controller med is needed.