1. Children will outgrow allergies.
2. Food allergies are common.
3. Short-haired pets are better for people with pet allergies.
4. Allergy shots don't work.
5. Allergy is a psychosomatic disorder.

1. Children will outgrow allergies.

While this is sometimes true of food allergies, the majority of childhood allergies are not outgrown. Among food allergies, children are more likely to outgrow those to milk or soy, but not to peanuts, fish or shellfish. Still, some kids outgrow one allergy only to develop another.

2. Food allergies are common.

Not really. Although 40 percent of all adults believe they are allergic to some type of food, only about 5 percent of the total population and 1 to 2 percent of adults are truly allergic. However, food-related symptoms can stem from disorders other than allergy. Some people can't digest dairy products because of an enzyme deficiency or have reactions to a component of wheat. Food poisoning and gastrointestinal flu can also cause symptoms that may be mistakenly blamed on allergy. Others are food sensitive – getting some reactions – but aren't truly allergic.

3. Short-haired pets are better for people with pet allergies.

Another myth. Animal fur is not responsible for allergy symptoms. Instead, the allergen is produced primarily in the animal's skin, and to a lesser extent, its saliva. The allergen causes trouble when sloughed off skin – dander – becomes airborne as the animal is petted, brushed or rubs itself against furniture or people.

4. Allergy shots don't work.

Not true, although shots (immunotherapy) don't work for all types of allergies. If you have an allergy to insect venom, the shots are effective in 98 percent of all cases. They also work to control hay fever about 85 percent of the time.

5. Allergy is a psychosomatic disorder.

No way. Allergy is a physical problem that stems from an immune system reaction against ordinarily harmless substances. The reaction occurs because the immune system mistakes pollen, animal dander, or other allergens for viruses, bacteria or other threats to health. This immune response mobilizes body substances called antibodies that set in motion the allergic reaction. Allergy symptoms can be very mild or severe enough to be life-threatening.

Last updated December 03, 1996

1996-1999 The Johns Hopkins University. All rights reserved. Source: Inteli-Health Inc. All information is intended for your general knowledge only and is not a substitute for medical advice or treatment for specific medical conditions. You should seek prompt medical care for any specific health issues and consult your physician before starting a fitness regimen. Use of this online service is subject to InteliHealth's disclaimer and the terms and conditions.