Asthma Symptoms

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What is asthma? In many people, asthma appears to be an allergic reaction to substances commonly breathed in through the air, such as animal dander, pollen, or dust mite and cockroach waste products. The catch-all name for these substances, allergens, refers to anything that provokes an allergic reaction. Some people have a genetic predisposition to react to certain allergens.

When these people breathe in the allergen, the immune system goes into high gear as if fighting off a harmful parasite. The system produces a molecule called immunoglobulin E (IgE), one of a class of defensive molecules termed antibodies. The IgE antibody is central to the allergic reaction. For example, it causes mast cells, a type of specialized defensive cell, to release chemical 'weapons' into the airways. The airways then become inflamed and constricted, leading to coughing, wheezing, and difficulty breathing -- an asthma attack.

Without treatment, such as inhaled corticosteriods to reduce the inflammation, asthma attacks can be deadly. The overall death rate for asthma, however, is low. - NIAID

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Asthma Symptoms

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If you have episodes of coughing, wheezing, shortness of breath, or chest tightness, have a complete checkup to find out what the problem is. It could be asthma or another medical problem.

eMedicine – Childhood Asthma (Children, Infant Asthma Information, Symptoms, Treatment) : Article by Girish Sharma, MD
Asthma - Asthma is a chronic inflammatory disorder of the airways characterized by an obstruction of airflow, which may be completely or partially reversed with or without specific therapy. Airway... Asthma Center. Asthma Overview. Asthma Causes. Asthma Symptoms. Asthma Treatment. Asthma FAQs ... control, including symptom scores (eg, nocturnal awakenings, daytime asthma symptoms). ...

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Signs and symptoms of asthma
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Exercise-induced asthma: Exercise can make asthma symptoms worse
Exercise-induced asthma: Exercise can make asthma symptoms worse. With treatment and monitoring, people with exercise-induced asthma can participate in physical activities. ... Exercise can make asthma symptoms worse. This is called exercise-induced asthma. Exercise can cause asthma symptoms in up to 80 percent of people ...

NHLBI - Your Asthma Can Be Controlled
Work with your doctor to become free of asthma symptoms. Learn what questions to ask and what information to share with your doctor. This is basic information all people with asthma can use, ... Learn What Things Start Your Asthma Symptoms and Control Them ... No symptoms or minor symptoms of asthma (symptoms include wheezing, coughing, shortness of breath, and chest tightness) ...

Asthma Symptoms In Children
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eMedicine - Asthma : Article by Michael J Morris, MD
Asthma - Asthma, or hyperreactive airway disease, is a very common clinical syndrome and is the most common cause of hospitalization for children in the United States. Despite recent advances in ... bronchoconstriction supervenes, resulting in asthma symptoms. If the exercise ... stable asthma and prevention of nocturnal asthma symptoms. Potentiates exogenous catecholamines ...

Asthma
If you have episodes of coughing, wheezing, shortness of breath, or chest tightness, have a complete checkup to find out what the problem is. It could be asthma or another medical problem.

asthma symptoms
... Information On Asthma, Asthma Symptoms, Alternative Asthma Treatments ... Now he ... Information on asthma, asthma symptoms and alternative asthma treatments, asthma prevention, asthma ...

asthma symptoms
An information resource for an inhaled corticosteroid for the treatment of asthma in adults and children 6 years of age and older. Includes information on asthma, prescription information and ... Learn about asthma symptoms. Since asthma is usually a lifelong condition, it can help you to know what ... set off an asthma attack or asthma symptoms such as coughing, wheezing ...

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