Dog allergy can happen to anyone regardless of his or her age and physical condition. Usually, allergens of this type of allergy are found in the saliva, dander, urine and skin of the dog. They are also found in the dog's hair and fur.
Dog allergy can cause anyone to have asthma, headaches, hives, loss of voice, watery-eyes, itchy tongue, sneezing, nasal congestion and fatigue. However, you can only know if you have it when you know how to identify its symptoms.
The following is the list of symptoms of dog allergy: