Types of Asthma
Allergies and Asthma
Allergies and asthma often
go hand-in-hand. Allergic rhinitis is inflammation of the inside lining of the
nose and is the single most common chronic allergic disease. Histamines along
with other chemicals lead to allergy symptoms. The most common allergens enter
the body through the airway.
With allergic rhinitis, you
may feel a constant runny nose, ongoing sneezing, swollen nasal passages,
excess mucus, weepy eyes, and a scratchy throat. A cough may result from the
constant postnasal drip. Many times asthma symptoms are triggered by allergic
rhinitis.
Exercise-Induced Asthma
Exercise-induced asthma is
a type of asthma triggered by exercise or physical exertion. Many people with
asthma experience some degree of symptoms with exercise.
With exercise-induced
asthma, airway narrowing peaks five to 20 minutes after exercise begins, making
it difficult to catch your breath.
Cough-Variant Asthma
In the type of asthma
called cough-variant asthma, severe coughing is the predominant symptom. There
can be other causes of cough such as postnasal drip, chronic rhinitis,
sinusitis, or gastroesophageal reflux disease.Coughing because of sinusitis
with asthma is common.
Asthma is a serious cause
of cough that is common today. Cough-variant asthma is vastly underdiagnosed
and undertreated. Asthma triggers for cough-variant asthma are usually respiratory
infections and exercise.
For any persistent cough,
contact your doctor. Your doctor may order specific asthma tests, such as lung
function tests, to show how well your lungs work. You might need to see a
lung specialist for further tests before an asthma diagnosis is made.
Occupational Asthma
Occupational asthma is a
type of asthma that results from workplace triggers. With this type of asthma,
you might have difficulty breathing and asthma symptoms just on the days you're
on the job.
Many people with this type
of asthma suffer with runny nose and congestion or eye irritation or have a
cough instead of the typical asthma wheezing.
Some common jobs that are
associated with occupational asthma include animal breeders, farmers,
hairdressers, nurses, painters, and woodworkers.
Nighttime asthma, also called nocturnal asthma, is a common
type of the disease. If you have asthma, the chances of having symptoms are
much higher during sleep because asthma is powerfully influenced by the
sleep-wake cycle. Asthma symptoms of wheezing, cough, and trouble breathing are
common and dangerous, particularly at nighttime.
Sometimes heartburn can cause
asthma at night. Sinusitis and asthma are often problems at night, particularly
with postnasal drip triggering symptoms such as coughing. Even sleeping causes
changes in airway function.
Health
Conditions That May Mimic Asthma
Vocal cord dysfunction is
another asthma mimic. Many recent reports have drawn attention to a peculiar
syndrome in which an abnormality of the vocal cords causes wheezing that is
frequently misdiagnosed as asthma. This is most common in young females who
have loud and dramatic episodes of wheezing that do not respond to medications
that open the airways.
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