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Health Information For Parents
“Achoo!” It’s your son’s third sneezing fit of the morning, and as you hand him another tissue you wonder if these cold-like symptoms — the sneezing, congestion, and runny nose — have something to do with the recent weather change. If he gets similar symptoms at the same time every year, you’re likely right: seasonal allergies are at work.
Seasonal allergies, sometimes called “hay fever” or seasonal allergic rhinitis, are allergy symptoms that happen during certain times of the year, usually when outdoor molds release their spores, and trees, grasses, and weeds release tiny pollen particles into the air to fertilize other plants.
The immune systems of people who are allergic to mold spores or pollen treat these particles (called allergens) as invaders and release chemicals, including histamine, into the bloodstream to defend against them. It’s the release of these chemicals that causes allergy symptoms.
People can be allergic to one or more types of pollen or mold. The type someone is allergic to determines when symptoms happen. For example, in the mid-Atlantic states, tree pollination is February through May, grass pollen runs from May through June, and weed pollen is from August through October — so kids with these allergies are likely to have increased symptoms at those times. Mold spores tend to peak midsummer through the fall, depending on location.
Even kids who have never had seasonal allergies in years past can develop them. Seasonal allergies can start at almost any age, though they usually develop by the time someone is 10 years old and reach their peak in the early twenties, with symptoms often disappearing later in adulthood.
If your child develops a “cold” at the same time every year, seasonal allergies might be to blame. Allergy symptoms, which usually come on suddenly and last as long as a person is exposed to the allergen, can include:
These symptoms often come with itchy, watery, and/or red eyes, which is called allergic conjunctivitis. Kids who have wheezing and shortness of breath in addition to these symptoms might have allergies that trigger asthma.
Seasonal allergies are fairly easy to identify because the pattern of symptoms returns from year to year following exposure to an allergen.
Talk with your doctor if you think your child might have allergies. The doctor will ask about symptoms and when they appear and, based on the answers and a physical exam, should be able to make a diagnosis. If not, the doctor may refer you to an allergist for blood tests or allergy skin tests.
To find an allergy’s cause, allergists usually do skin tests in one of two ways:
Even if a skin test or a blood test shows an allergy, a child must also have symptoms to be definitively diagnosed with an allergy. For example, a child who has a positive test for grass pollen and sneezes a lot while playing in the grass would be considered allergic to grass pollen.
There are many ways to treat seasonal allergies, depending on how severe the symptoms are. The most important part of treatment is knowing what allergens are at work. Some kids can get relief by reducing or eliminating exposure to allergens that bother them.
If certain seasons cause symptoms, keep the windows closed, use air conditioning if possible, and stay indoors when pollen/mold/weed counts are high. It’s also a good idea for kids with seasonal allergies to wash their hands or shower and change clothing after playing outside.
If reducing exposure isn’t possible or is ineffective, medicines can help ease allergy symptoms. These may include decongestants, antihistamines, and nasal spray steroids. If symptoms can’t be managed with medicines, the doctor may recommend taking your child to an allergist or immunologist for evaluation for allergy shots (immunotherapy), which can help desensitize kids to specific allergens.
During an allergic reaction, your body’s immune system goes into overdrive. Find out more in this article for kids.
Kids who have allergies also might have a breathing problem called asthma. Find out more in this article for kids.
Allergies don’t cause asthma, but kids who have allergies are more likely to get asthma.
Find out if allergies can make a person’s asthma symptoms worse.
Your eyes itch, your nose is running, you’re sneezing, and you’re covered in hives. The enemy known as allergies has struck again.
Find out what the experts have to say.
Explore more than 20 articles in English and Spanish about all aspects of allergies in children.
Millions of Americans, including many kids, have an allergy. Find out how allergies are diagnosed and how to keep them under control.
Many kids battle allergies year-round, and some can’t control their symptoms with medications. For them, allergy shots (or allergen immunotherapy) can help.
Although most allergic reactions aren’t serious, severe reactions can be life-threatening and can require immediate medical attention.
Has your child broken out in welts? It could be a case of the hives. Learn how to soothe itchy bumps and help your child feel better.
This blood test can check for some kinds of allergies.
A scratch or skin prick test is a common way doctors find out more about a person’s allergies.
Doctors use several different types of allergy tests, depending on what a person may be allergic to. Find out what to expect from allergy tests.
If you just sneezed, something was probably irritating or tickling the inside of your nose. Learn more about why you sneeze in this article for kids.
Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.
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