Per the American Academy of Pediatrics, age is not a barrier to skin testing – even infants can benefit. Children can also receive allergy shots. The age in which shots may be recommended to young children is done on a case-by-case basis.
No one knows for certain why certain people are allergic to certain things while others are not. We do know that allergies tend to run in families. If you have allergies, it’s very likely that at least one of your children will as well.
Asthma is a disease that affects the airways in your lungs. If you have asthma, the lining in your airways are swollen and inflamed all the time. This makes your airways more likely to be bothered by allergens.