McKesson Clinical Reference Systems: Pediatric Advisor 2002.1

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What is hay fever?

Hay fever is an allergic reaction of the nose (and sinuses) to pollen or another substance in the air.

Symptoms include:

• a clear nasal discharge
• an itchy nose with sneezing and sniffing
• itchy, watery eyes (eye allergies)
• sometimes, sinus or ear congestion.

Hay fever is the most common allergy. More than 15% of people have it.

What is the cause?

Although pollen is usually the cause of hay fever, it can also be caused by animal dander or something else you are is allergic to. This allergic sensitivity is often inherited.

During late April and May the most common pollen causing hay fever is from trees. From late May to mid-July, the pollen is usually from grass. From late August to the first frost, the leading cause of hay fever is ragweed pollen.

How long will it last?

This is a chronic condition that will probably recur every year during pollen season, perhaps for a lifetime. Therefore, it is important to learn how to control it.

How can I take care of myself?

• Oral antihistamine medicine

  The best drug for hay fever is an antihistamine. It will relieve nose and eye symptoms. Your antihistamine is ________________________. Take ___________ every _______ hours. (Some effective nonprescription antihistamines are Chlor-Trimeton, Dimetane, and Teldrin.)

  Symptoms clear up faster if antihistamines are given at the first sign of sneezing or sniffing. If you have daily symptoms, the best control is attained if you take antihistamines continuously (several times each day) throughout the pollen season. If you have occasional symptoms, you can take antihistamines on days when symptoms are present or expected.

  The main side effect of antihistamines is drowsiness. If you become drowsy, switch to a combination product that contains an antihistamine with a decongestant (such as pseudoephedrine). If you remain drowsy, continue the drug, but temporarily decrease the dosage. You should become tolerant of the regular dosage in 1 to 2 weeks.

• Prescription steroid nasal sprays for prevention

  If antihistamines only give partial relief of symptoms, severe hay fever can usually be controlled by steroid nasal sprays. Allergy shots are usually not necessary.

  These prescription nasal sprays must be used when the nose is not dripping. Take an antihistamine to stop the dripping before you use the spray. Nasal sprays do not help eye symptoms. Therefore they are usually used along with oral antihistamines. Your nasal spray is _____________________. Put ____ puff(s) in each nostril _____ times a day every day.

• Pollen removal to decrease symptoms of hay fever

  Pollen tends to collect on the exposed body surfaces and especially in the hair. Shower and wash your hair every night before going to bed. Avoid handling pets that have been outside and are probably covered with pollen.

• Prevention of hay fever symptoms

  Exposure to pollen can be reduced by not going on drives in the country and by not sitting by an open car window on necessary drives. You should stay away from someone cutting the grass during pollen season. When it is windy or the pollen count is especially high, you should stay indoors. Close the windows that face the prevailing winds.

  If your hay fever is especially bad, consider going to an air-conditioned store or theater for a few hours.

  Avoid feather pillows, pets, farms, stables, and tobacco smoke if any of them seem to bring on symptoms of nasal allergy.

• Eye allergies associated with hay fever

  If you also have itchy, watery eyes, wash your face and eyelids to remove pollen. Then apply a cold, wet cloth to the eyelids for 10 minutes. An oral antihistamine will usually bring the eye symptoms under control. If not, put 2 drops of long-acting vasoconstrictor eyedrops (a nonprescription item) in your eyes every 8 to 12 hours for a few days. Ask your pharmacist to recommend a reliable product.

• Common mistakes

  Vasoconstrictor nosedrops or nasal sprays usually do not help hay fever because they are washed out by nasal secretions as soon as they have been put into the nose. Also, if they are used for more than 5 days, they can irritate the nose and make it more congested.

When should I call my child's health care provider?

Call during office hours if:

• Your symptoms are not controlled in 2 days with antihistamines.
• You develop sinus pain or pressure.
• You have other concerns or questions.

Related Topic

Eye Allergy (for teens)