Nasal congestion, often called a stuffy nose, can be caused by a bacterial infection or virus, allergies or the common cold. There are suggestions for easing the stuffiness…

While allergies can cause a wide range of symptoms, certain signs indicate that it’s especially likely that your allergen (or your child’s) is food and not another environmental factor.

Excess weight might sensitize some people to various allergens, particularly food-related ones, but having allergies also could lead to extra pounds. Obese children and adolescents are at increased risk of also having some kind of allergy, especially to a food.

If you’re planning a summer vacation, and you or your child have allergies or asthma, proper planning can help you keep sneezes, sniffles, wheezing and coughing under control.

Food allergies occur when the body’s immune system overreacts to substances in food you have eaten, triggering an allergic reaction. Food allergies are more common in young children than in adults.

Allergy immunotherapy, generally referred to as allergy vaccinations or shots, reduce total health care costs in children with allergic rhinitis (hay fever) by one-third, and prescription costs by 16 percent.