"Hypersensitivity reactions" refer to exaggerated or excessive reactions of the immune system to certain substances or triggers. These reactions can occur when the immune system overreacts and causes an abnormal response, often leading to symptoms like rashes, itching, swelling, or difficulty breathing.
Full definition
There are dog owners who have reservations on the use of rice bran and wheat because of the incidence of
hypersensitivity reactions in dogs which are allergic to any of these ingredients.
It has been demonstrated that elements like mercury, nickel and gold have potentiate
delayed hypersensitivity reactions in patients with connective tissue disease, notes Gulati in his manuscript.
Mild,
transient hypersensitivity reactions manifested as labored respiration, vomiting, salivation and lethargy, have been noted in some dogs treated with milbemycin oxime carrying a high number of circulating microfilariae.
According to CSPI, «The second - most - widely used coloring causes allergy -
like hypersensitivity reactions, primarily in aspirin - sensitive persons, and triggers hyperactivity in some children.
Mild, transient
hypersensitivity reactions manifested as labored respiration, vomiting, salivation and lethargy have been noted in some treated dogs carrying a high number of circulating microfilariae.
When the parasites begin to die off, the animal may experience a mild
hypersensitivity reaction including diarrhea Self - limiting reactions may include lethargy, vomiting, diarrhea, decreased appetite, staggering, hypersalivation, convulsions within 24 hours of treatment It is important to stop therapy and contact your veterinarian immediately if you think your pet has a medical problem or side effect from this product's therapy Can this drug be given with other drugs?
Here's one sad fact
about hypersensitivity reactions: the more your dog is exposed to the allergenic protein, the greater is the allergic response with each exposure.
Yellow 6 (Sunset Yellow)-- Has been known to cause adrenal tumours in animals and occasionally causes
severe hypersensitivity reactions (Also found in: Colour bakery goods, cereals, beverages, dessert powders, candies, gelatin deserts, sausage, cosmetics, and drugs.
Food sensitivities that are more subtle and delayed are mediated by a different immune complex, Immunoglobulin G (IgG), and are referred to as delayed
hypersensitivity reaction allergies.
atopy / at · o · py / (at» ah - pe) a genetic predisposition toward the development of immediate
hypersensitivity reactions against common environmental antigens (atopic allergy)
However, if you have someone in the family who is particularly vulnerable to such substances or is known to have allergies to such ingredients,
then hypersensitivity reactions can ensue including skin redness and itching, skin discoloration, and even the triggering of asthma.
While still fairly highly recommended and of good quality, the reputation of the Blue Buffalo line of dog food formulas has been slightly tainted due to a recall of specific products which have been suspected of containing excessive levels of Vitamin D. Although Vitamin D is an important feed nutrient, some dogs
show hypersensitivity reactions to the high levels resulting in lethargy, increased water consumption and increased frequency of urination.
Type I
hypersensitivity reactions involve an immune mediated reaction that releases potent inflammatory mediators and other chemicals that trigger an anaphylactic reaction in the affected animal.
If your pet is allergic or had a
non-allergic hypersensitivity reaction, you need to have your pet given an allergological workup and advice by a drug allergy expert as to which antibiotics your pet can safely have as alternatives, should your pet develop an infection.
«Clinical effects from Advantage are expected to be mild and caused primarily by the carrier or other ingredients in the formulation... Animals
exhibiting hypersensitivity reactions to the topically applied product should be bathed with a noninsecticidal shampoo and treated symptomatically and supportively.»
Hypersensitivity reactions unrelated to dose can occur with these agents and can be manifested as rashes, fever, eosinophilia, neutropenia, agranulocytosis, thrombocytopenia, leukopenia, anemias, lymphadenopathy or full blown anaphylaxis.
It appears that some fungi can turn one of the amino acids (tryptophan) in rice into alpha - picolinic acid, and that this substance, when excessive, can
cause hypersensitivity reactions to rice in some persons.
Unfortunately, many pet food manufacturers have already included lamb as one of their mainstay variants that experts now are seeing a lot of dogs
developing hypersensitivity reactions to such proteins and carbs.
The second - most - widely used coloring causes allergy -
like hypersensitivity reactions, primarily in aspirin - sensitive persons, and triggers hyperactivity in some children.
Mild,
transient hypersensitivity reactions, such as labored breathing, vomiting, hypersalivation, and lethargy, have been noted in some dogs treated with milbemycin oxime carrying a high number of circulating offspring (microfilariae).
Leukotrienes C4, D4, and E4, which are released from the lung tissue of asthmatic subjects exposed to specific allergens, seem to play a pathophysiological role in
immediate hypersensitivity reactions.
While the cause of IBD is poorly understood, current evidence suggests that some type
of hypersensitivity reaction in the GI tract of each affected pets is involved.
These responses - sometimes referred to
as hypersensitivity reactions)- can occur upon the first use of a product, but more commonly occur after several uneventful exposures to the product.
Yellow 6 may cause occasional, but sometimes - severe,
hypersensitivity reactions.»
«
Hypersensitivity reactions are the major problem in the use of penicillin,» said Thomas Leath, M.D., an allergist with the Texas A&M College of Medicine.
o Atopic dermatitis patients can have a high prevalence of ACD,
a hypersensitivity reaction to certain substances that come in direct contact with the skin.