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Introduction
Signs and Symptoms
Asthma and Allergy
Triggers
Trigger Controls
Diagnosing Asthma
Asthma Medication
A Little About
Steroids
Myths about Asthma
Summary
Introduction
It is estimated that 15 million
Americans suffer from asthma, including 4.8 million children and adolescents,
making it a frequently encountered clinical problem in both pediatric and adult
populations.. Asthma is a chronic inflammatory disorder of the airways
characterized by increased coughing, wheezing, chest tightness, and difficulty
breathing. When someone with asthma is exposed to a trigger (a substance or
event, such as cigarette smoke, dust, animals, or pollen, that causes a
reaction), the airways that lead to the lungs become more inflamed or swollen
than usual, making it difficult for you to breathe. The airways also get smaller
due to a tightening of muscles in the walls of your airways, and/or
"stuffed up" due to large amounts of mucus. When these things happen,
you may experience symptoms, shortness of breath, wheezing, and coughing.
Several triggers can cause the airways to become more inflamed, including
allergies, infections, and chemicals or other substances in your home or office.
Once you are exposed to a certain trigger that you have a reaction to, your
airways become more sensitive to other triggers. There is also exercise-induced
asthma; you may only experience the signs of asthma with strenuous
exercise.
Despite the increased understanding of the cause of asthma,
the death rate from the condition has been increasing. This is thought to
be due to:
-
Delayed diagnosis
-
Underassessment of the severity of the disease
-
Undertreatment with anti-inflammatory agents
-
Over-reliance on inhaled "quick-acting"
inhalers

Signs and Symptoms
Everyone may have different warning
signs, so it is important to know what are your "red flag" signs that
your asthma is flaring up. Most people have one or more of these symptoms:
-
Wheezing- A low or loud
whistle thats usually heard when exhaling
-
Coughing- A mild cough or a
hack cough that wont quit and often occurs at night.
-
Chest tightness- feels like
something squeezing tight around your chest or like a burning sensation. The
muscles around the tubes squeeze together. This is called "bronchoconstriction".
-
Swelling- the airways are
often swollen with asthma, redden and even swell more with an asthma attack.
This is called "inflammation". It can also reduce the amount of
air your lungs can take in and let out.
-
Clogging- the airways begin
to produce and excessive amount of mucus and this in turn also makes it
difficult to breathe.

Asthma and
Allergy "Triggers"
Triggers can be found indoors and
outdoors. They can be things such as cold air, tobacco smoke and wood smoke,
perfume, paint, hair spray, or any strong odors or fumes. Allergens such as dust
mites, pollen, molds, pollution, and animal dander. Common cold, influenza, and
other respiratory illnesses can also trigger asthma.
Finding triggers may not always be easy, but when you do find
a trigger you can cut down the exposure and help avoid asthma attacks.
Controlling outdoor exposure is hard. You can try to avoid going out when the
pollution and pollen counts are high. Indoor air is easier to control. Air
conditioning helps because it allows you to keep the windows down and the doors
shut. This keeps some pollen and mold spores outside. It also lowers indoor
humidity and these helps to control mold and dust mites. Your room temperature
should be comfortable. You may find it hard to tolerate a big temperature
change, particularly from warm to cold air. There are some devices that
effectively remove particles from the air and are currently under study of their
usefulness at reducing allergy symptoms.

Trigger Controls
Some common triggers and ways to help
control them:
Tobacco Smoke: smoke should not be
allowed in the home of someone with asthma or allergies. First suggest to
family and friends to quit smoking, but this must be restricted to the
outdoors.
Wood Smoke: smoke from wood burning
stoves and fireplaces can provoke an asthma attack in adults and children,
please try to avoid these.
Pets: almost all pets can cause
allergies, including dogs, cats, birds, hamsters, and guinea pigs. If a pet is
a trigger source and the pet stays in the home, keep it out of the bedroom of
anyone with asthma or allergies. Giving weekly pet baths may help cut down the
amount of pet saliva and dander. It may be of benefit to remove the pet from
the home, if this is done pet allergen may stay in the home for months after
the pet is gone because it remains in house dust. Allergy and asthma symptoms
may take some time to get better. You may hear certain dogs and cats are
"non-allergenic". There is really no such thing because they leave
behind the dander and saliva. Goldfish and other tropical fish are suitable
pets.
Cockroaches: these can even be a
problem and its very important to get rid of them in your home. The
cockroach allergen comes from dead roaches and roach dropping. It collects in
house dust and is hard to remove. Careful cleaning of your home helps.
Indoor Mold: when humidity is high
molds become a problem in the bathrooms, kitchens, and basements. These areas
need to have good air circulation and cleaned often. Molds can form on foam
pillows when you perspire. To prevent this you can put the pillow in an
airtight cover and tape the cover shut, wash the pillow every week and change
it every year. Molds also form in houseplants, you may need to keep them
outside.
Strong Odors and Fumes: perfumes,
room deodorizers, cleaning chemicals, paint, and talcum powder is to be
avoided or kept to very low levels.
Dust Mites: these are tiny,
microscopic spiders usually found in house dust. Several thousand can be found
in a pinch of dust. Mites need the most work to be removed. You can use an
allergy control solution cleaner to kill the mite allergen. Here are some
other tips to help get rid of dust mites:

Diagnosing Asthma
Your doctor will take your medical
history, give you a complete physical exam and may do some tests. These tests
generally include chest x-rays, lung-function tests and may include blood and
allergy tests,
The lung-function tests include Pulmonary Function Tests
(PFT) and Peak Flow Monitoring. A part of the PFT is a spirometry
which involves blowing into a mouthpiece which measures how fast air moves in
and out of your lungs. In Peak Flow monitoring you blow into the meter which
measures the greatest amount of air you can exhale. Peak flow meters are easy to
use by yourself every day. They can help you to know if your breathing problems
are starting even when you dont feel any symptoms.
When your doctor has diagnosed that you have asthma, it is of
great importance that you take your medicines has he has prescribed for you and
any other instructions. This will make having asthma manageable and help to
decrease the number and severity of asthma attacks.

Asthma Medicines
Asthma medicines are used to help keep
you airways open. They are sold under many different brand names and can come in
different forms. They can come as sprays, pills, powders, liquids and shots. Your
doctor will choose which medicine and in what form is best for you.
Medications are usually divided into rapid acting
and maintenance control medications:
-
Some examples of these are:
Alupent, Ventolin, Proventil, Proventil HFA, Albuterol, Maxair, and
Brethaire.
-
Examples of these are: Intal
(Cromolyn), Tilade (Nedocromil), the newer leucotriene antagonists (accolate
and singulair) and steroids (Aerobid, Azmacort, Beclovent, Vanceril,
Flovent, and Prednisone)
When taking asthma medication it is
important to follow-up with your doctor regularly. Asthma medication can cause
you to have some of these side effects: Sore throat, nervousness, nausea, rapid
heartbeat, loss of appetite, or insomnia.
Tell your doctor if you are having any of these side effects.

A
Little About Steroids:
The steroids that are used to treat asthma
are not the same kind of steroids that you hear of the athletes using; those are
called "anabolic steroids". Corticosteroids help prevent asthma
attacks from starting. When you take these in the spray form, the risk of
serious side effects is very little, if any at all. Recent studies have shown
that certain inhaled steroids may be associated with decreased or slowed growth
in children going through their growth phase.
The National
Asthma Education Prevention Program (NAEPP) state
that the use of inhaled steroids at recommended
doses does not have frequent, clinically
significant, or irreversible effects on any of the
outcomes reviewed.
The side effects of steroids used to treat
asthma increase only when these medicines are taken in a pill or liquid form
over a long period of time. In this case you need to have regular check-ups by
your doctor to make sure this medicine is working best for you.

Myths
of Asthma
MYTH: Children outgrow asthma.
REALITY: Asthma is a chronic condition associated with airway
hyperresponsiveness. Some children have asthma symptoms that improve during
adolescence while others worsen, but the tendency to overly sensitive airways
remains.
MYTH: Some dog breeds, such as Chihuahuas, are better for
people with allergies & asthma.
REALITY: It is the protein found in the pet's saliva, dander and urine
that causes allergies in some individuals, not the pet's hair. Since all dogs
have dander, saliva and urine, no particular breeds are better for people with
allergies & asthma.
MYTH: Asthma can be cured.
REALITY: There is no cure for asthma. However, with proper diagnosis and
treatment, asthmatics can lead normal, active lives with little disturbance to
quality of life.
MYTH: Inhaled medications, such as those in inhalers are
dangerous.
REALITY: Inhaled medications, including corticosteroids, are the safest
and most effective means to treat asthma that currently exist.
MYTH: Allergies are a harmless problem.
REALITY: Allergies are a serious problem and should be treated
effectively. If left untreated, allergies can lead to impaired quality of life,
including impaired sleep and learning ability, as well as missed school and
work. Untreated allergies can also result in other chronic respiratory problems
such as asthma, sinusitis, or dermatologic disorders such as eczema and
urticaria. Some allergies, such as food allergies, drug allergies or insect
sting allergies, can even lead to anaphylaxis --- a systemic allergic reaction
that sometimes can be fatal.
MYTH: Alternative medications are equally effective as
prescription medications.
REALITY: Alternative medications should never substitute for traditional,
scientifically proven medical treatments for asthma and allergies. Alternative
medications have only recently been subject to scientific scrutiny, so the
safety and effectiveness of these therapies remains unknown.
MYTH: Continuous exposure to pets will decrease
allergies.
REALITY: The best way to relieve symptoms is to remove the pet from the
home. If removing the pet is not an option, keep the pet out of the bedroom,
bathe the pet twice weekly to reduce the amount of allergens into the air, have
a non-allergic family member brush the pet outside, and clean out the animal's
cage or letter box frequency.

Summary
Asthma can be treated and controlled when
accurately diagnosed, and medications taken as prescribed. Follow-up with your
doctor with routine visits, PFTs to help optimize medications, follow your
peak flows regularly and take your medicine as prescribed by your doctor.
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