1 Eczema is not a single disease but a reaction pattern of the skin produced by a number conditions. 2  Atopic dermatitis, a common causes of eczema, is more prevalent in those with asthma and hay fever. 3  Eczema appears as small blisters that can weep and ooze, or as crusted, thickened plaques of skin.czema facts. 1  Eczema is not a single disease but a reaction pattern of the skin produced by a number conditions. 2  Atopic dermatitis, a common causes of eczema, is more prevalent in those with asthma and hay fever. 3  Eczema appears as small blisters that can weep and ooze, or as crusted, thickened plaques of skin.
Asthma is a disease affecting the airways that carry air to and from your lungs. People who suffer from this chronic condition (long-lasting or recurrent) are said to be asthmatic. The inside walls of an asthmatic's airways are swollen or inflamed.
1 Asthma is a chronic disease that affects your airways. 2  Your airways are tubes that carry air in and out of your lungs. 3  If you have asthma, the inside walls of your airways become sore and swollen. Having these symptoms doesn't always mean that you have asthma. 2  Your doctor will diagnose asthma based on lung function tests, your medical history, and a physical exam. 3  You may also have allergy tests.when your asthma symptoms become worse than usual, it's called an asthma attack.