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Home » Fitness » HEALTH AND FITNESS: Exercise and seasonal allergies – Aiken Standard

Spring means blooming flowers, new leaves on trees and green grass. But for millions of people, spring also means seasonal allergies. Also known as allergic rhinitis or hay fever, seasonal allergies are caused by pollen produced by plants.

Tree pollen is the most common culprit in the spring, with grass and ragweed in the summer and fall, respectively. Allergy symptoms watery eyes, runny nose, sneezing, congestion and cough may start within 5 to 10 minutes of exposure in sensitive individuals and last for hours.

Seasonal allergies are an abnormal response of the immune system to pollen. Inhaled pollen acts as an allergen, which stimulates the immune system to produce antibodies, including IgE.

Antibodies are produced whenever the immune system encounters a foreign antigen, whether it is a virus or pollen. The IgE stimulates specialized cells in the airways called mast cells to produce histamines, which cause the familiar symptoms of seasonal allergies. This is the same process that causes allergies to dust mites, animal dander and certain foods.

Since histamines are an important step in triggering an allergic response, seasonal allergies can be treated by using antihistamine drugs such as fexofenadine (Allegra), loratadine (Claritin), cetirizine (Zyrtec) and diphenhydramine (Benadryl). Some antihistamines also include a decongestant (Claritin-D, for example).

Allergy symptoms can be diminished by reducing exposure to pollen. This means keeping the windows of your home and car closed and minimizing outdoor activity when pollen levels are highest, particularly early in the morning, on windy days and when the pollen count is high. Pollen levels are often reported with weather forecasts.

People often ask if it is safe to exercise if they have seasonal allergies. In most cases, the answer is yes. Allergy symptoms are typically similar to cold symptoms, so the usual advice about exercise with a cold also applies.

If the symptoms are above your neck (runny nose, watery eyes, sneezing), it is safe to exercise. That said, allergy symptoms are based on exposure to pollen and the more you inhale, the worse your symptoms. Since your breathing increases significantly during exercise, so does your exposure to pollen.

There are some cases in which exercise with allergies could have serious effects. Exercise-induced bronchospasm, or EIB, also called exercise-induced asthma, is a condition that affects the majority of people with asthma, many of whom also have seasonal allergies.

EIB is thought to be caused by the cooling and drying of the airways due to the high ventilation during exercise or exposure to particulate matter in the air, typically from pollutants, or pollen. EIB results in the constriction of airways, severely limiting airflow into the lungs. Asthmatics typically carry a rescue inhaler (bronchodilator) during exercise for this reason.

Interestingly, EIB also occurs in athletes, including those who compete at the Olympic level. It is more common among athletes competing in outdoor winter events (cooling and drying of airways) and indoor ice events (pollutants from ice resurfacing equipment). Through careful warmup and use of certain approved medications, athletes with allergies and EIB can successfully compete at an elite level.

Since most of us dont reach the exertion level of athletes, there is no reason to let seasonal allergies stop you from exercising. You may be able to exercise outdoors on days in which the pollen count is lower, especially if you do lower-intensity exercise like walking.

Antihistamine medications may help ease the symptoms and shouldnt interfere with exercise. For many people, allergy season is a good time to exercise indoors. Walking on a treadmill or an indoor track or participating in a group exercise class at a local gym are great ways to stay active on days when exercise outdoors just wont work. By taking some precautions, you can and should exercise, even if you have seasonal allergies!

Brian Parr, Ph.D., is an associate professor in the Department of Exercise and Sports Science at USC Aiken where he teaches courses in exercise physiology, nutrition and health behavior. You can learn more about this and other health and fitness topics at http://drparrsays.com or on Twitter @drparrsays.

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HEALTH AND FITNESS: Exercise and seasonal allergies - Aiken Standard

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Home » Fitness » HEALTH AND FITNESS: Exercise and seasonal allergies – Aiken Standard