Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0033774 (pruritus)
 14,546 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Interleukin-2 is a promising new immunotherapeutic antineoplastic agent, but it can cause severe multiorgan toxicity. Although dermatologic toxicity is seen in most patients receiving IL-2 therapy, it is usually manifested as pruritus and an erythematous macular rash, which resolve quickly once infusion is terminated. We have described a patient who was allergic to multiple drugs and who had sloughing of large sheets of epidermis over 75% of body surface area during IL-2 therapy. Clinically, this was indistinguishable from toxic epidermal necrolysis, but the findings on skin biopsy were nonspecific for any dermatitides. The skin healed after cessation of IL-2 infusion, but the rash recurred upon resuming infusion at a lesser dose, indicting IL-2 as the probable causative agent. This unique dermatologic sensitivity to IL-2 suggests that IL-2 could act directly as a promoter in dermatologic disease. Patients with a history of allergic reactions to other unrelated drugs should be monitored carefully for unusual bullous dermatologic changes during IL-2 therapy.
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PMID:Interleukin-2-induced dermatotoxicity resembling toxic epidermal necrolysis. 153 37

A prospective study was conducted by means of a questionnaire to determine the prevalence of delayed reactions to contrast media administered intravenously (iopamidol) and orally (diatrizoate sodium) in 170 patients who had received interleukin-2 (IL-2) and in 631 patients who did not. Another control group of 100 non-IL-2 patients received only oral contrast medium. Delayed reactions (eg, fever rash, flulike symptoms, joint pain, flushing, pruritus, and dizziness) were reported in 3.9% (25 of 631) of non-IL-2 patients and in 11.8% (20 of 170) of IL-2 patients. Reactions were mild in the non-IL-2 patients but were more severe in the IL-2 patients. Two IL-2 patients required hospitalization. Only rash, flulike symptoms, and pruritus were statistically more common in IL-2 patients than in non-IL-2 patients. The prevalence of delayed reactions to nonionic contrast medium is higher in patients who have received IL-2 than in the general population. Most delayed reactions do not require therapy, but, when necessary, therapy is usually limited to relief of symptoms.
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PMID:Delayed reactions to contrast media after interleukin-2 immunotherapy. 154 55

The efficacy and safety of parenteral ofloxacin were evaluated in an open, multicenter study of hospitalized patients with pyelonephritis. The patients received ofloxacin 400 mg IV as an initial dose followed by ofloxacin 200 mg IV b.i.d. for a minimum of three days. The patients could then continue ofloxacin orally 200 mg b.i.d. for a total of seven to fourteen days. The most common pathogens isolated were Escherichia coli, Enterobacter cloacae, and Klebsiella pneumoniae. Microbiologic eradication was achieved in 65 of 66 evaluable patients (98%), and clinical cure or clinical improvement was noted in all patients. Of 82 patients evaluable for safety, 12 (15%) reported drug-related adverse events, the most frequent of which was pruritus or rash. None of the patients experienced drug-related central nervous system symptoms. Ofloxacin is well tolerated and highly effective in the treatment of pyelonephritis.
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PMID:Multicenter open-label study of parenteral ofloxacin in treatment of pyelonephritis in adults. 158 38

Recently, many British Columbia sawmills stopped using traditional chlorophenate anti-sapstain fungicides and substituted 2-(thiocyanomethylthio) benzothiazole (TCMTB) and copper-8-quinolinolate (Copper 8). We conducted a cross-sectional study with two aims: to ascertain which acute health effects, if any, were associated with the use of the substitute fungicides; and to determine the effectiveness of first-aid records as a means of detecting acute health outcomes. Workers in five coastal sawmills were asked to complete a self-administered questionnaire about symptoms considered potentially related and unrelated to fungicide exposure, and about injuries commonly reported in sawmills. In addition, we collected first-aid records from the mills, and asked senior workers to estimate the duration of exposure to fungicides for each job. Symptoms found to be consistently elevated in TCMTB mills included dry skin around the eyes, blood-stained mucus from the nose, nose bleed, peeling skin, burning or itching skin, and skin redness or rash. No symptoms were consistently elevated in the Copper 8 mills. Symptoms related to TCMTB exposure were recorded only 12 times in first-aid logs during the study period (versus 335 questionnaire self-reports). This low symptom-recording frequency may be a function of established patterns of first-aid use in which illness symptoms are reported less frequently than injuries.
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PMID:Recognizing acute health effects of substitute fungicides: are first-aid reports effective? 158 48

In early December 1989, an outbreak that was initially thought to be scabies was investigated among employees of tourist hotels in Cozumel, Mexico. Of 417 employees interviewed, only 19 (4.6%) met a case definition for scabies dermatitis, while 91 (21.8%) reported a nonspecific dermatitis of less than one-week's duration. Persons with nonspecific dermatitis related the onset of their dermatitis to skin contact with a moth that had been present in large numbers in November. At the time of the initial investigation in December, there were no active cases of dermatitis and the moth was no longer present. During early January 1990, numerous cases of dermatitis again began to be reported. Using a case definition for nonspecific dermatitis, a survey of Cozumel's resident population showed an attack rate of 12.1%. A case-control study revealed the only significant risk factor to be skin contact with the suspect moth (P less than 0.01), which had returned in large numbers. Six health workers volunteered to have the moth rubbed on their skin; within 5 min, five of six developed an intense pruritus followed by an erythematous rash. The moth was classified as Hylesia alinda Druce. This species has nettling hairs on its abdomen that excrete a histamine-like substance. Although this moth is normally present in small numbers in Cozumel, the passage of hurricane Gilbert killed most of its natural predators (wasps and bees), allowing its population to overgrow. No control measures were undertaken because the moth's natural predators returned that spring and dramatically reduced the moth population. No further outbreaks of dermatitis occurred.
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PMID:Epidemic dermatitis due to contact with a moth in Cozumel, Mexico. 159 50

Neurogenic causes of pruritus and a rash are uncommon. We report a patient with dermatomal pruritus and a rash who had a cervicothoracic syrinx and a thoracic spinal cord tumor. We believe the syrinx interrupted fibers subserving itch, resulting in dermatomal pruritus with secondary scratching and a rash.
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PMID:Lichen simplex chronicus as the initial manifestation of intramedullary neoplasm and syringomyelia. 162 Mar 8

Nine patients with neuroblastoma stage IV were treated with the murine monoclonal antibody 14.G2a, directed against disialoganglioside GD2. The antibody was injected daily for 5-10 days and the total applied dosage ranged between 100 mg/m2 and 400 mg/m2. The peak serum levels of mAb 14.G2a ranged from 28 micrograms/ml to 61 micrograms/ml. Pharmacokinetic data obtained in three patients indicated that the serum elimination of mAb 14.G2a fits a two-compartment model, with an alpha-half-time (t1/2 alpha) between 0.66 h and 1.98 h and a beta-half-time (t1/2 beta) between 30.13 h and 53.33 h. All patients presented with a human anti-(mouse IgG) antibody response either during or shortly after therapy. Eight patients showed a continuous decrease in complement component C4 during therapy, as well as an initial decrease in C3c and an initial increase in C3a, all suggesting an activation of the complement cascade. Side-effects consisted of allergic reactions like pruritus, exanthema, urticaria and of severe pain, predominantly located in the abdomen and lower extremities, which required the use of continuous intravenous morphine. Four patients additionally developed a transient hypertension and one patient experienced a transient nephrotic syndrome. Three patients were treated in an adjuvant setting and are not evaluable for tumor response. Of the remaining six patients, two had a complete remission, two showed a partial remission, and two patients did not respond to treatment.
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PMID:A phase I study of neuroblastoma with the anti-ganglioside GD2 antibody 14.G2a. 163 57

The efficacy and tolerability of low, intermittent doses of co-trimoxazole (160 mg trimethoprim and 800 mg sulfamethoxazole given Monday, Wednesday, Friday) for prophylaxis against Pneumocystis carinii pneumonia (PCP) was assessed retrospectively in 116 patients with the acquired immunodeficiency syndrome (AIDS) and AIDS-related complex at high risk of PCP. 92% were receiving concomitant zidovudine. 71 with previous episode(s) of PCP were followed a mean of 18.5 months (range 3-42). 45 without past PCP but with depletion of CD4 cells to less than 200/microliters were observed for a mean of 24.2 months (range 9-40). PCP did not develop in any patient on co-trimoxazole. 33 (28%) had side-effects, mainly rash, pruritus, and nausea. 15 discontinued co-trimoxazole, but only 11 (9%), who withdrew in the first month, were clearly drug-intolerant. Thus, low-dose, thrice weekly co-trimoxazole completely prevents AIDS-associated PCP, is cost-effective, and well tolerated by more than 85% of patients. Controlled comparisons of this regimen with other prophylactic agents are warranted.
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PMID:Low-dose co-trimoxazole for prevention of Pneumocystis carinii pneumonia in human immunodeficiency virus disease. 167 73

A 56-year-old woman who developed widespread pruritus and flagellate erythema after attempted pleuredesis with bleomycin is described. The raised linear lesions of flagellate erythema could not be reproduced by scratching, and histopathological examination revealed a lymphocytic vasculitis. The rash faded spontaneously over several weeks to leave streaks of post-inflammatory melanoderma which remained for 6 months. The role of scratching and dermographism in the pathogenesis of the bleomycin-specific eruption is discussed.
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PMID:Bleomycin-induced flagellate erythema. 171 37

A 48 year old male patient presented with maculopapular rash, pruritus, peptic ulcer disease and attacks of headache and vertigo. Rubbing of the cutaneous lesions led to urticarial whealing which is indicative of abnormal mast cell proliferation in the cutis. Histologic evidence of abnormal mast cell proliferation in biopsy specimens of skin and bone marrow led to the diagnosis of systemic mastocytosis. Treatment with H1 and H2 receptor antagonists was started.
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PMID:[Maculopapular rash, pruritus, upper abdominal pain, attacks of dizziness]. 174 78


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