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"hypersensitive reaction" refers to an exaggerated response of the body's immune system to something it considers harmful. It is when the immune system becomes overly sensitive and overreacts to certain substances, such as pollen, certain foods, or insect bites, causing symptoms like itching, sneezing, rash, or difficulty breathing.
Full definition
Dog owners whose pets have been given any of the Royal Canin recipes and
suffered hypersensitive reactions and allergies point out that the dog food contains 4 common allergens — corn, yeast, gluten, and beet pulp.
Some genetically susceptible children are more prone to develop severe food allergies or
hypersensitive reaction in response to certain dietary agents.
Soy allergies are an example of this — where the body treats the soy protein as an allergen
causing hypersensitive reactions resulting in itching, pruritus, and distress for your pet.
The only side effects according to users are gastric disturbances and
hypersensitive reactions.
It affects a small minority of cats who suffer
a hypersensitive reaction after inhaling ordinary house dust or other allergens.
Some of
these hypersensitive reactions include ear infections which have been associated with wheat and other potential allergens; bad gas production and other digestive problems such as diarrhea, vomiting, and loose stools have also been reported.