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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]
A chronological relationship of pruritus with one or several life events that can have psychological consequences; Changes during the nighttime; More present during rest or inaction; There is a coupled psychological disorder; Pruritus that could be improved with psychotropic drugs; Pruritus that could be improved by psychotherapies
An itch (also known as pruritus) is a sensation that causes a strong desire or reflex to scratch. [1] Itches have resisted many attempts to be classified as any one type of sensory experience. Itches have many similarities to pain , and while both are unpleasant sensory experiences, their behavioral response patterns are different.
This test is typically performed by an allergist who uses a skin-prick and intradermal injection of penicilloyl-polylysine, a negative control (normal saline), and a positive control . [8] A small proportion of people who are allergic to penicillins also have similar cross sensitivities to other antibiotics such as cephalosporins. If someone ...
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.
Pruritus ani is the irritation of the skin at the exit of the rectum, known as the anus, causing the desire to scratch. [1] The intensity of anal itching increases from moisture, [2] pressure, and rubbing caused by clothing and sitting. At worst, anal itching causes intolerable discomfort that often is accompanied by burning and soreness.
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 ...
The reaction is also seen in the other diseases caused by spirochetes: Lyme disease, relapsing fever, and leptospirosis. [4] There have been case reports of the Jarisch–Herxheimer reaction accompanying treatment of other infections, including Q fever , bartonellosis , brucellosis , trichinellosis , and African trypanosomiasis .