Asthma is characterized by inflammation of the bronchial tubes
with increased production of sticky secretions inside the tubes.
People with asthma experience symptoms when the airways tighten,
inflame, or fill with mucus. Common asthma symptoms include: -
Coughing, especially at night - Shortness of breath - Chest
tightness, pain, or pressure Still, not every person with asthma
has the same symptoms in the same way. You may not have all of
these symptoms, or you may have different symptoms at different
times. Your asthma symptoms may also vary from one asthma attack
to the next, being mild during one and severe during another.
Some people with asthma may go for extended periods without
having any symptoms, interrupted by periodic worsening of their
symptoms called asthma attacks. Others might have asthma
symptoms every day. In addition, some people may only have
asthma during exercise or asthma with viral infections like
colds. Mild asthma attacks are generally more common. Usually,
the airways open up within