Asthma
 McKinney Falls
 
Links
National Heart Lung and Blood Institute Guidelines
"Asthma" Encyclopædia Britannica Online. 
"Respiratory Disease" Encyclopædia Britannica Online. 

 

 

Asthmatics Outdoors
Breathing in that fresh, pollen-filled, country air . . . and continuing up the hillside

By  Tania Larson
 

Looking up the Central Texas hillside just a moment ago, it didn't look so steep. The beautiful spring afternoon seemed perfect for a day of adventure in the Great Outdoors. Mother Nature seemed to be smiling through crystal blue skies and the brightly colored faces of wildflowers. 

Now the flowers mock every struggled step and the whistling wind isn't the sound of a gentle breeze rustling through the trees, but the sound of tortured lungs trying to expel air through the swollen airways of an asthma attack.

For the millions of Americans with asthma the obstacles of outdoor sports can seem impossible as their bodies react adversely to the world around them. Central Texas is known for its allergy-inducing pollens and those pollens combined with the strain of exercise can cause an asthmatic's bronchioles to constrict preventing their muscles from getting the oxygen they need. Some attacks simply make the asthmatic feel mildly out of shape, while others can leave one unable to walk or even talk.

Fortunately, even severe asthma can be just another challenge to overcome. There are many things one can do to take control of asthma and take to the hills with confidence. 

The Basics of Asthma:
The first step to controlling asthma is of course diagnosing it. Symptoms may start at any time in your life, and if you are new to an area there may be allergens there you have never encountered before, exposing you for the first time to asthma symptoms.

Only a doctor can diagnose asthma, but here are signs that you may need to discuss the possibility of asthma with your doctor. Whether asthma is the cause or not, it is important that you find the reason behind any of these symptoms.

  • Wheezing. If you ever hear whistling from your lungs, whether inhaling or exhaling there's a good chance you have asthma.
  • Shortness of breath. Feeling short of breath (even if you simply feel slightly more out of shape than you should) can be a symptom of asthma. You should see a doctor as soon as possible if you have a hard time getting enough air.
  • A feeling of tightness in your chest. If your chest feels tight it may be the constricting bronchial tubes of an asthma attack.
  • A persistent cough. Asthma can cause inflamed and or blocked airways that lead to a persistent cough. 
What is Asthma?
Asthma is a potentially deadly disease, where the flow of air through the lungs is made difficult by obstruction in the lungs. The bronchi of an asthmatic's lungs are called hyperactive because they react to triggers that are tolerated by people without asthma. These triggers cause the muscles surrounding the bronchial tubes to contract, narrowing the air passages. The lining of the airways become inflamed and swollen making the passageways even smaller. Just to make things more difficult, glands produce excess mucus which further clog and block the already narrow passages so that breathing, especially exhaling, can be extremely difficult. Air can become trapped decreasing the oxygen available to the body and leaving the asthmatic feeling tired and weak.

Managing Asthma:
Because asthma is a chronic condition many asthmatics simply get used to the disease rather than control it. So, no matter how mild or severe your asthma seems to you it is important that you work with your doctor to make a plan for managing your asthma. Here are some things to consider:

  • Rescue inhalers relax the muscles that tighten around the airways, and are used during an attack as well as for acute symptoms like coughing, chest tightness, shortness of breath, and wheezing. For more severe episodes your doctor may prescribe a short course of oral steroids.
  • Long-term medications like corticosteroids, cromolyn or nedocromil are prescribed to reduce the underlying problem of airway inflammation for those who need to use their rescue inhaler more than twice a week.

  •      Jeanne Aultfather, a licensed vocational nurse at the Allergy and Asthma Immunology Clinic of Georgetown, Texas says the one thing that asthmatics can do to dramatically improve their control over their asthma is to listen to the advice they're given and use their long-term medication as it is prescribed. She says many asthmatics "tend to use their medication only when they are in trouble. They should always be taking it as prescribed rather than just when they feel they need it." 
  • Reducing exposure to triggers like allergens can help alleviate the long term symptoms of constantly irritated lungs.
  • Peak flow meters can be used to chart your expulsion capacity and allow you to monitor the condition of your lungs so that you can adjust your medication as needed.
  • An action plan for use during attacks should be developed with your doctor and altered through regular check-ups as you assess its success.
The National Heart, Lung, and Blood Institute (NHLBI) has created treatment guidelines for asthma. These guidelines establish some general goals of asthma therapy including: "Preventing chronic asthma symptoms and asthma attacks during the day and night." This means "no sleep disruption due to asthma, no missed school or work because of asthma, and no or minimal need for emergency care or hospitalizations." The guidelines also include, "maintaining normal activity levels, including exercise and other activities," and "having normal or near-normal lung function." If you don't meet these guidelines your asthma is probably controlling you and you should discuss your problems with your doctor. 

According to the guidelines your job is to:

  • Take your medicines as your doctor suggests 
  • Watch for signs that your asthma is getting worse and act quickly to stop the attack 
  • Stay away from things that can bother your asthma 
  • Ask your doctor about any concerns you have about your asthma and 
  • See your doctor at least every 6 months. 
Taking to the Hills: 
There are two main problems asthmatics have with outdoor activities, the allergens and the exercise. 
  1. Allergy-induced asthma can be dealt with by taking antihistamines to help prevent allergens from provoking an attack. In some cases immunotherapy, a.k.a. allergy shots, can be used for building tolerance to certain triggers.
  2. Exercise-induced asthma that can be triggered during the harder breathing of physical exertion. Aultfather recommends, "If you have problems and tend to get a little tight, use two puffs of your rescue inhaler (albuterol, ventolin, etc.) before exercise as a preventative." She also suggests avoiding cardiovascular activities, "Walking is better than running because there is not as much strain on the lungs."
Checklist of things to do before you hit the open air:
  • Take an antihistamine at least a half hour before so that it has time to set in. 
  • Make sure to use any long-term medication regularly the days before you head out into the great outdoors in order to reduce inflammation and the chances of an attack.
  • Take two preventative puffs of your rescue inhaler before you hit the trail to prevent constricted airways.
  • Make sure you take your rescue inhaler with you for use along the way.
  • Make note of the nearest medical facility, and take your doctor's number along just in case.
The American College of Allergy, Asthma & Immunology says, "By taking preventive measures, asthmatics should be able to do any sport. Not all sports, however, are equally tolerated." Like Aultfather the College says, "In general, exercise and sports that involve prolonged periods of running are more likely to provoke asthma attacks than nonaerobic ones." Many sources suggest swimming because the air tends to be warm and humid and is less stressful on the lungs. The College encouragingly says, "In most instances, exercise induced asthma can be controlled to allow participation in any sport. Many Olympic athletes, including several gold medal winners, have had asthma." 

So get out there and hit the hillside for your choice of activity. Just take the necessary precautions first.

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