Asthma is an illness that results due to the blockage of the airways of the lungs. The severity of the Asthma ranges from mild to severe. A mild episode of asthma can be treated with an asthma pump and over the counter medicine, whereas a major one needs more professional help. It is important to threat and keep a tab on every respiratory illness, particularly Asthma. As we are observing this World Asthma Day on 1st May 2018, we present a brief overview of symptoms of asthma and how it is diagnosed and treated.