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Other antimalarials like amodiaquine, halofantrine, and hydroxychloroquine have also been linked to pruritus, albeit less frequently and to a lesser extent. [2] Another class of medications known to occasionally cause itching is known as serotonin reuptake inhibitors. [3] Itching is one of the most frequent adverse effects of opioid therapy. [4]
Fixed drug reactions are common and so named because they recur at the same site with each exposure to a particular medication. [1] Medications inducing fixed drug eruptions are usually those taken intermittently.
However, drugs often contain many different substances, including dyes, which could cause allergic reactions. This can cause an allergic reaction on the first administration of a drug. For example, a person who developed an allergy to a red dye will be allergic to any new drug which contains that red dye.
An allergic individual may not have any reaction to consuming food only prepared with egg yolk and not egg white, or vice versa. [10] Due to high protein content, egg white allergy is more common than the reverse. [11] The majority of children with this allergy become tolerant by adulthood. [12] Fish
Antipruritics, abirritants, [1] or anti-itch drugs, are medications that inhibit itching (Latin: pruritus).Itching is often associated with sunburns, allergic reactions, eczema, psoriasis, chickenpox, fungal infections, insect bites and stings like those from mosquitoes, fleas, mites, and contact dermatitis and urticaria caused by plants such as poison ivy (urushiol-induced contact dermatitis ...
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 ...
Allergic contact dermatitis (ACD) is a form of contact dermatitis that is the manifestation of an allergic response caused by contact with a substance; the other type being irritant contact dermatitis (ICD). Although less common than ICD, ACD is accepted to be the most prevalent form of immunotoxicity found in humans. [1]
Pruritus, commonly known as itchiness, is a sensation exclusive to the skin, and characteristic of many skin conditions. [95] [96] Adult blaschkitis; Aquadynia; Aquagenic pruritus; Biliary pruritus; Cholestatic pruritus; Drug-induced pruritus; Hydroxyethyl starch-induced pruritus; Lichen simplex chronicus (neurodermatitis) Lichen simplex ...