Patients in Crystal Lake ask Allergy Center: Why do some allergies strike in adulthood?

About half of all new allergies occur in adults, frequently in those in their forties. The most common causes of allergies that start in adulthood are pollen, dust mites, mold, and animal dander. Certain food allergies can emerge after years of eating the food with no reaction. Some allergies may seem to strike unexpectedly, but may actually be childhood allergies that have faded then reappeared. The allergy may also have been present but not diagnosed until the symptoms worsened. Symptoms may seem more severe in adulthood because of several factors: The immune system has become sensitized to the trigger, creating … Continue Reading