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Hypersensitivity is caused by an exaggerated immune response to a harmless substance, which can be triggered by various factors including genetic predisposition, environmental exposures, and the nature of the allergen itself. The immune system mistakenly identifies these substances as threats, leading to an overproduction of antibodies, particularly Immunoglobulin E (IgE). This response results in inflammation and tissue damage, manifesting as allergic reactions or autoimmune diseases. Common triggers include pollen, certain foods, medications, and insect stings.
What else can I help you with?
What causes immediate hypersensitivity reactions?
Inhaled or ingested allergens usually cause immediate hypersensitivity reactions.
Which type of hypersensitivity reaction causes an asthma attack?
Type I hypersensitivity reaction http://en.wikipedia.org/wiki/Asthma
What causes delayed hypersensitivity reactions?
Delayed hypersensitivity reactions, also known as type IV hypersensitivity reactions, are caused by T cells recognizing antigens and triggering an immune response. This can happen hours to days after exposure to the antigen. Common triggers include certain drugs, metals, and infectious agents.
What immunoglobulin is associated with a hypersensitivity reaction?
IgE is the immunoglobulin associated with hypersensitivity reactions, such as allergies. When an allergen triggers the production of IgE antibodies, it can lead to a rapid immune response that causes symptoms like hives, itching, and even anaphylaxis.
What is the accented syllable for Hypersensitivity?
The accented syllable in "Hypersensitivity" is "-sen-".
Which type hypersensitivity is called delayed hypersensitivity?
Type IV Hyper sensitivity. AKA delayed hypersensitivity. Can be classified into: -contact -tuberculin -granuloma
What is photophopia?
hypersensitivity to light :) People with migraines have this, as well as phonophopia (hypersensitivity to sound).
What are the indications for Rimantadine?
hypersensitivity
What is synonym for allergies?
hypersensitivity
What is type 4 hypersensitivity?
It is also called DTH(delayed type hypersensitivity) is cell mediated instead of antibody
What is the same as hypersensitivity?
Hypersensitivity is also known as allergic reaction, exaggerated immune response, or allergic sensitivity.
What is dermal hypersensitivity reaction?
Dermal hypersensitivity reaction is an exaggerated immune response in the skin to certain substances or allergens. This reaction can lead to symptoms such as redness, itching, swelling, and rash at the site of contact with the allergen. Common causes include contact dermatitis, eczema, or allergic reactions to chemicals, plants, or certain metals.
