Allergies in Children | Symptoms & Causes

What are some symptoms of an allergic reaction?

  • rhinitis: nasal stuffiness, sneezing, nasal itching, nasal discharge, itching in ears or roof of the mouth
  • allergic conjunctivitis: red, itchy, watery eyes
  • atopic dermatitis: red, itchy, dry skin
  • urticaria: hives or itchy welts
  • asthma: shortness of breath, coughing, wheezing
  • Food allergies can be life-threatening.  It is important to know the symptoms of a food allergic reaction. See our section on food allergies for signs and symptoms.

What causes an allergic reaction?

Allergens can be breathed in through the air and enter the nose, sinuses, throat or lungs. Additionally, allergens can enter through the skin with direct physical contact or can be ingested in the case of food allergies.

Some of the allergens that may trigger an allergic reaction are:

Patterns of allergies have been found in families; however, the specific genetic factors are not yet fully understood.