The term "allergic reaction" refers to a response by an individual's immune system to a foreign substance, such as pollen or pet dander. Full definition
This can lead to allergic reactions in pet owners for obvious reasons. (puppytoob.com)
This insect is not just a nuisance to our pets but also causes discomfort and irritation and in some cases allergic reactions in our pets. (naturalchemistrypet.com)
Added food dyes like Yellow # 5 and 6, Red # 40 and Blue # 2 may also cause allergic reactions in pets. (blog.petmeds.com)