inflammations caused by unusual sensitivity to foreign substances. Exaggerated reaction of the immune system when exposed to certain substances, usually related to the presence of the allergic antibody, IgE Dogs can be allergic to a variety of things, including foods and pollen. Symptoms can include runny eyes, itching, and skin rashes. A chronic disease characterized by an overreaction of the immune system to protien substances -- either inhaled, ingested, touched or injected -- that normally do not cause an overreaction in non-allergic people. Allergies almost always coincide with a scattered state of the nervous system and immune system in both adults and children. Homeopathic medicines will be selected that address the unfocused and over-reactive nature of the immune system and nervous system. The results are often quite successful. ... If you've got itchy, teary, red and swollen eyes, those are key signs of allergies. We've got tips on relief. The word "allergy" was coined by the Viennese pediatrician Clemens von Pirquet in 1906. Pirquet noted that some of his patients were hypersensitive to normally innocuous entities such as dust, pollen, or certain foods. ...