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  2. Anaphylaxis - Wikipedia

    en.wikipedia.org/wiki/Anaphylaxis

    Anaphylactoid reaction, non-immune anaphylaxis, or pseudoanaphylaxis, is a type of anaphylaxis that does not involve an allergic reaction but is due to direct mast cell degranulation. [ 10 ] [ 42 ] Non-immune anaphylaxis is the current term, as of 2018, used by the World Allergy Organization [ 42 ] with some recommending that the old ...

  3. Drug allergy - Wikipedia

    en.wikipedia.org/wiki/Drug_allergy

    An allergic reaction will not occur on the first exposure to a substance. The first exposure allows the body to create antibodies and memory lymphocyte cells for the antigen. However, drugs often contain many different substances, including dyes, which could cause allergic reactions. This can cause an allergic reaction on the first ...

  4. List of herbs with known adverse effects - Wikipedia

    en.wikipedia.org/wiki/List_of_herbs_with_known...

    Liver toxicity, allergic reaction, anaphylaxis [3] Kava: awa, kava-kava [4] Piper methysticum: Potentiates CNS sedatives, [3] chronic use might cause a reversible dry skin condition. [18] Khat: qat Catha edulis: Chronic liver dysfunction [3] [19] Kratom: Mitragyna speciosa: Hepatotoxicity [20] [19] Liquorice root Glycyrrhiza glabra

  5. Hypersensitivity - Wikipedia

    en.wikipedia.org/wiki/Hypersensitivity

    These cells then release cytokines and chemokines, which can cause tissue damage and may result in illnesses. [9] Examples of illnesses resulting from type IV hypersensitivity reactions include contact dermatitis and drug hypersensitivity. Type IV reactions are further subdivided into type IVa, IVb, IVc, and IVd based on the type of T cell (Th1 ...

  6. Type II hypersensitivity - Wikipedia

    en.wikipedia.org/wiki/Type_II_hypersensitivity

    [3] An example of complement dependent type II hypersensitivity is an acute hemolytic transfusion reaction following transfusion of ABO incompatible blood. [4] Preformed antibody (predominantly IgM) against donor red cell antigens not found in an individual of a particular blood group (e.g. anti-A IgM in an individual with blood group B), bind to the donor red cell surface and lead to rapid ...

  7. Things You Probably Don't Know About Viagra (Like What ... - AOL

    www.aol.com/things-probably-dont-know-viagra...

    If you have an irregular heartbeat, hearing loss, vision loss, an allergic reaction, Peyronie’s disease, or sickle cell anemia, or are being treated for leukemia or other medical conditions ...

  8. NSAID hypersensitivity reactions - Wikipedia

    en.wikipedia.org/wiki/NSAID_hypersensitivity...

    The classification organizes the hypersensitivity reactions to NSAIDs into the following five categories: NSAIDs-exacerbated respiratory disease (NERD) is an acute (immediate to several hours) exacerbation of bronchoconstriction and other symptoms of asthma in individuals with a history of asthma and/or nasal congestion, rhinorrhea or other symptoms of rhinitis and sinusitis in individuals ...

  9. Cytokine release syndrome - Wikipedia

    en.wikipedia.org/wiki/Cytokine_release_syndrome

    The experimental drug TGN1412—also known as Theralizumab—caused extremely serious symptoms when given to six participants in a Phase I trial. [2] A controlled and limited CRS is triggered by active fever therapy with mixed bacterial vaccines (MBV) according to Coley; it is used for oncological and certain chronic diseases. [19]