Extrinsic asthma and intrinsic asthma are two major asthma types. Intrinsic asthma is meant when allergies do not play a part on it and it is not likely to develop in children and it typical onset after 40 ages. Exercise induced asthma is generally affected by the peoples who have allergies and can affect people at any age and may be attributed to the loss of heat and moisture in contents in the lungs that occurs with strenuous exercise. Asthma types nocturnal asthma and occupational asthma, where nocturnal does its work when people are in sleep and the symptoms occur regardless to the time of day a person is sleeping. Occupational asthma occurs directly as a result of breathing chemical fumes, irritants, dusts over a long period of time. Estimation gives that 15 percent of asthmatics do have occupational asthma. Other asthma types are steroid resistant asthma. During asthma medications, this asthma types is not better, and over use of medications can result in status asthmatics. When Pneumonic or asthma attack severely that doesn’t respond to medications and it may require mechanical ventilation to reverse. These are the different types of asthma that occur during any of the age levels.