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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 allergic reaction is suspected. An allergic reaction will not occur on the first exposure to a substance.
Pseudo-allergic reactions in which a drug directly stimulates mast cells, basophils, and/or eosinophils to release pro-allergic mediators (e.g. histamine); Type I , Type II , and Type III hypersensitivity reactions of the adaptive immune system mediated by IgE , IgG , and/or IgM antibodies; and
The symptoms of DRESS syndrome usually begin 2 to 6 weeks but uncommonly up to 8–16 weeks after exposure to an offending drug. Symptoms generally include fever, an often itchy rash which may be morbilliform or consist mainly of macules or plaques, facial edema (i.e. swelling, which is a hallmark of the disease), enlarged and sometimes painful lymph nodes, and other symptoms due to ...
One of the most prevalent forms of adverse drug reactions is cutaneous reactions, [1] with drug-induced urticaria ranking as the second most common type, preceded by drug-induced exanthems. [2] Urticaria, commonly known as hives , manifests as weals, itching, burning, redness, swelling, and angioedema —a rapid swelling of lower skin layers ...
Allergies to the sugar carbohydrate found in beef, venison, lamb, and pork called alpha-gal. It is brought on by tick bites. [43] Allergic reaction to pork is an exception, as it may also be caused by pork-cat syndrome instead of alpha-gal allergy. Rice: Sneezing, runny nose, itching, stomachache, eczema.
Anaphylaxis (Greek: ana-'up' + phylaxis 'guarding') is a serious, potentially fatal allergic reaction and medical emergency that is rapid in onset and requires immediate medical attention regardless of the use of emergency medication on site.
The goals in this area are finding a cure for HIV-infected individuals; developing preventive strategies, including vaccines and treatment as prevention; developing therapeutic strategies for preventing and treating co-infections such as TB and hepatitis C in HIV-infected individuals; and addressing the long-term consequences of HIV treatment.
Type A: augmented pharmacological effects, which are dose-dependent and predictable [5]; Type A reactions, which constitute approximately 80% of adverse drug reactions, are usually a consequence of the drug's primary pharmacological effect (e.g., bleeding when using the anticoagulant warfarin) or a low therapeutic index of the drug (e.g., nausea from digoxin), and they are therefore predictable.