Even though you may have a deep love for animals; sometimes you could develop pet allergies after coming into contact with them. In fact, it is also common for some people to develop pet allergies even after having kept pets for several years. The sad part is that your love for animals can be put to severe test if you develop pet allergy and this allergy in turn will make you suffer from ill health. Itchiness in the skin, wheezing, as well as having eyes that water constantly are some of the common symptoms of pet allergies.