Common symptoms of asthma include: coughing (especially at night), wheezing, and shortness of breath.
Symptoms may vary from one asthma attack to the next and they don't necessarily appear every day. They may be mild or severe. Sometimes symptoms appear only after exercise, after exposure to allergy-causing substances, or viral infections like colds.
For a very complete overview of Asthma, don't fail to read the entire article.
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