Find ways to control your asthma triggers. Keep your asthma diary up to date and follow your asthma action plan. Take your long-term control medicines properly. Always carry your quick-relief medicine with you. All of these steps together can greatly reduce your chances of having asthma attacks.
Prevention is the key.
All it takes is good information and a working partnership with your doctor. They are safe for you to inhale but when released into the air, they hurt the earth's ozone layer. For this reason, many countries of the world are banning CFCs. Over the next few years, MDIs that contain CFCs are expected to be replaced by new inhaler devices that do not contain CFCs. This change has already begun and will continue for several years as more non-CFC products become available.