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A drug allergy is an allergy to a drug, most commonly a medication, and is a form of adverse drug reaction. Medical attention should be sought immediately if an ...
Antihistamines, specifically H1-antihistamines, are medicines which provide relief for allergic symptoms such as runny nose, sneezing, itching, and watery eyes from seasonal allergies . They are usually the first line of medications prescribed by a general practitioner, or a pharmacist for allergies in a community pharmacy.
Name Possible reaction(s) Remarks Balsam of Peru: Redness, swelling, itching, allergic contact dermatitis reactions, stomatitis (inflammation and soreness of the mouth or tongue), cheilitis (inflammation, rash, or painful erosion of the lips, oropharyngeal mucosa, or angles of their mouth), pruritus, hand eczema, generalized or resistant plantar dermatitis, rhinitis, conjunctivitis, and blisters.
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 ...
Allergy immunotherapy can be administered orally (as sublingual tablets or sublingual drops), or by injections under the skin (subcutaneous). [52] [53] Immunotherapy contains a small amount of the substance that triggers the allergic reactions. [54] Ladders are also used for egg and milk allergies as a home-based therapy mainly for children.
Around 15% of adults have mild, localized allergic reactions. Systemic reactions occur in 3% of adults and less than 1% of children. [139] Unknown Drug allergies: Anaphylactic reactions to penicillin cause 400 deaths per year. Unknown Food allergies: 7.6% of children and 10.8% of adults. [140]
Pseudoallergy, sometimes known as nonallergic hypersensitivity, is a type of hypersensitivity reaction mostly described in the context of drug allergy.The mechanism is somewhat similar to the type 1 hypersensitivity in the Gell and Coombs classification in that the effector cell is also mast cell.
Antihistamines are drugs which treat allergic rhinitis, common cold, influenza, and other allergies. [1] Typically, people take antihistamines as an inexpensive, generic (not patented) drug that can be bought without a prescription and provides relief from nasal congestion, sneezing, or hives caused by pollen, dust mites, or animal allergy with few side effects. [1]