Asma

Asthma
Asthma is the most important allergic disease, and is also the most important chronic disease in childhood.
Allergic disease is important because of its severity, it can be disabling,life-threatening as it causes a great impact personal, family, social, and economic health.
In children is also why loss of many days of school and work days for parents or caregivers can limit physicalactivity and social, all of which can cause great psychological impact.
In the following lines we explain the basics of this disease. In asthma, as in other allergic diseases there are three relatedlevels: the clinic or symptoms occur, the pathogenesis or intermediate mechanisms of our body that cause symptoms, and the etiology or cause that produces the two previous
Clinical (symptoms)


Thesymptoms are basically produces asthma cough, wheezing and difficulty breathing. The cough is usually dry at first, then become productive with secretions. Wheezing is a whistling or as "whistles" inthe chest, produced by the passage of breath, sometimes audible with the simple ear, sometimes with a stethoscope. Shortness of breath, or dyspnea, is fatigue, shortness of breath, that breath, or donot enter the chest, which feels a tightness. This is due to a narrowing of the bronchi, which lowers the diameter for the passage of air.

These symptoms may appear together or either of themseparately. Its intensity, frequency and duration are highly variable between different patients, and in the same patient at different times. Most often they occur intermittently, with periods free ofsymptoms, although sometimes there are patients in whom symptoms are daily and constant. Its onset may be abrupt, in a matter of minutes even, or gradually over several days. Symptoms are often worse atnight. This set of symptoms is not unique to asthma, but may also occur in other diseases, especially in adults.
For this level of asthma medications used by inhalation, orally or injected. These...