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)

This 9-year-old boy had a three-year history of vernal keratoconjunctivitis. A shield ulcer developed in the superior part of the cornea. The shield ulcer is a rare manifestation of the disease. Although the cause of shield ulcer is unknown, the association of shield ulcer with large papillae suggests a mechanical cause. The symptoms of itching and mucous discharge were relieved after medications with topical steroid and cromolyn sodium, but the large shield ulcer was persistent. The vernal ulcer was treated with a 72 hours collagen shield. The ulcer healed rapidly within 5 days, leaving a corneal opacity about the level of Bowman's layer.
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PMID:Vernal keratoconjunctivitis with shield ulcer--a case report. 184 37

Ocular allergy is commonly encountered by the allergist, general physician, and ophthalmologist. Diagnosis can usually be made by history, especially a history of itching and an allergic background. The diagnosis can be confirmed by skin testing, in vitro testing, and conjunctival scrapings to look for eosinophils. Once the diagnosis is made, a decision can be reached as to whether treatment is necessary. Often, supportive treatment, or removal of the allergen is preferred. When pharmacologic treatment is necessary, it is advisable to choose a benign form of therapy such as topical vasoconstrictor-antihistamine eyedrops or cromolyn sodium. Topical steroids are rarely necessary and should be used with great caution since they can induce serious sight threatening complications. If topical steroids are required, the patient should be monitored by an ophthalmologist.
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PMID:Current concepts in ocular allergy. 185 41

Fifty patients (25 per group) with the signs and symptoms of allergic conjunctivitis confirmed by positive skin test enrolled in this randomized, double-blind, parallel group, 2-week comparison of pentigetide, 0.5%, ophthalmic solution (Pentyde) and cromolyn sodium, 4%, USP ophthalmic solution (Opticrom). The physician and the patient rated the patient's overall ocular condition on days 3, 8, and 15. On day 15 both the physician and the patients rated the pentigetide group as significantly (Chi-square, P less than .05) more improved than the cromolyn sodium group. The physician rated independently conjunctival symptoms and ocular signs at days 1, 3, 8, and 15. Improvement in signs and symptoms favored pentigetide in the majority of comparisons to cromolyn sodium (14 of 18). The pentigetide group showed significantly (ANOVA, P less than .05) greater improvement in hyperemia, edema, lacrimation, and blurred vision/photophobia. Patients completed daily diaries for seven symptoms. At the end of the study, comparisons to baseline between groups favored the pentigetide group for six of the seven symptoms; for itching, improvement favored significantly (ANOVA, P less than .05) the pentigetide group. The mean severity of all symptoms decreased by 64% in the pentigetide group as compared with a decrease of 46% in the cromolyn sodium group. Adverse experiences were minor and comparable in both groups. No clinically abnormal changes were noted for visual acuity, intraocular pressure, or common laboratory tests. This double-blind, active-controlled trial demonstrates that pentigetide, 0.5%, ophthalmic solution is safe and effective in the treatment of allergic conjunctivitis.
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PMID:Double-blind trial of pentigetide ophthalmic solution, 0.5%, compared with cromolyn sodium, 4%, ophthalmic solution for allergic conjunctivitis. 190 16

Seminal fluid hypersensitivity usually is characterized by postcoital vulvovaginal itching, swelling, redness, with or without systemic signs and symptoms. Efforts to manage this condition have either met with poor patient acceptance or have not been uniformly successful. We describe a 23-year-old atopic woman with documented IgE-mediated local and cutaneous hypersensitivity to SF. Using a controlled, single-blind challenge method, pretreatment with intravaginal 4% cromolyn sodium in a water-based cream completely blocked both local and cutaneous immediate hypersensitivity reactions to SF in this highly sensitive patient. We believe this may represent an alternative and more desirable method of preventive management in such patients.
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PMID:Successful prevention of local and cutaneous hypersensitivity reactions to seminal fluid with intravaginal cromolyn. 190 63

A 56-yr-old woman with long-standing rheumatoid arthritis exhibited jaundice, pruritus and abdominal discomfort after 8 yr of periodic gold sodium thiomalate injections amounting to a cumulative dose in excess of 2.5 gm. Histopathological examination of the liver biopsy specimen showed submassive loss of parenchyma, collapse of reticulin and mixed cellular inflammatory infiltrates. Macrophages contained dark granules, which displayed the characteristics of aurosomes when examined by transmission electron microscopy and electron microprobe analysis. It is likely that hepatocellular injury occurred when the lysosomal storage capacity for gold was exceeded.
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PMID:Light- and electron-microscopical study of a case of gold salt-induced hepatotoxicity. 190 34

The safety and pharmacokinetics of imipenem/cilastatin sodium (IPM/CS) were evaluated in comparative studies using single intramuscular injection, intravenous infusion or multiple intramuscular administration. The studies were done employing 30 healthy volunteers. Adverse effects were observed in 5 of 18 volunteers in the single intramuscular dose study. One of them complained of mild itching and mild pain at the injection site, and the other 4 volunteers had mild pain at the injection sites. With the other methods of administration, no adverse effects were observed. No other abnormal physical findings nor abnormal laboratory test values were observed in any of the studies. Imipenem (IPM) was absorbed rather slowly through the muscles, resulting in a low maximum plasma concentration (Cmax) and a prolonged half life (T1/2) upon intramuscular injection compared to the results obtained upon intravenous infusion. The total areas under the curves obtained with these 2 methods were similar, however. Cilastatin (CS) was absorbed rapidly after intramuscular injection, and the Cmax obtained was higher than that obtained for IPM. The T1/2 and the AUC of CS obtained with intramuscular injection were similar to those obtained with intravenous infusion. Cumulative urinary recovery rates obtained with these 2 different routes of administration were not different. Detectable urinary levels of IPM were maintained much longer upon intramuscular injection than upon intravenous infusion. In the multiple dose study, neither IPM nor CS showed tendency to accumulate.
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PMID:[A clinical phase I study on intramuscular imipenem/cilastatin sodium]. 192 Aug 12

Cytolytic vaginosis, a not uncommon condition, is frequently misdiagnosed because it is confused with Candida. Many practitioners rely on their clinical judgment alone rather than the use of high-quality microscopes and the results of a wet smear. Compounding the problem of misdiagnosis is that patients assume that their symptoms are caused by a yeast infection, which results in telephone requests for medication from their physicians instead of an office consultation. Cytolytic vaginosis is characterized by pruritus, dyspareunia, vulvar dysuria, and cyclical increase in symptoms more pronounced during the luteal phase. Diagnostic criteria include a high risk of suspicion; the absence of Trichomonas, Gardnerella, or Candida on wet smear; an increased number of lactobacilli; a paucity of white blood cells; evidence of cytolysis; and the presence of discharge; and a pH between 3.5 and 4.5. Treatment entails use of sodium bicarbonate douches.
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PMID:Cytolytic vaginosis. 195 82

Recent studies have established the clinical efficacy of S-adenosyl-L-methionine (SAMe) in the treatment of cholestasis associated with hepatic diseases, pregnancy and the administration of estrogen-containing oral contraceptives. In 4 clinical trials involving a total of 639 patients with cholestasis due to acute or chronic liver disease, SAMe in an intravenous dose of 800 mg/day or an oral regimen of 1.6 g/day for 2 weeks was superior to placebo in relieving the symptom of pruritus and in restoring serum total bilirubin and serum alkaline phosphatase towards normal. The drug is also effective in intrahepatic cholestasis of pregnancy (ICP), with intravenous administration of 800 mg/day for 2 weeks producing a substantial reduction in pruritus and an improvement in abnormal liver function indices. Moreover, SAMe treatment decreases the incidence of premature labour. SAMe appears to be the first safe and effective approach to the treatment of this syndrome, and also protects against the adverse hepatic effects of small doses of estrogen in patients with a history of ICP by normalising liver biochemistry and the oversaturated biliary lipid composition of the gallbladder bile. In animal models, SAMe reverses the pathological liver changes induced by xenobiotics such as taurolithocholate and alpha-naphthyl-isothiocyanate (ANIT) and the antipsychotic chlorpromazine. Several cooperative mechanisms appear to underlie the anticholestatic action of SAMe, the most important being the restoration of normal hepatocyte membrane fluidity and Na+, K+ ATPase activity, through a reversal of the reduction in phospholipid methylation produced by hepatotoxic agents. In addition, SAMe may act by promoting trans-sulphuration pathway reactions and consequently improving the detoxifying capacity of this metabolic system.
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PMID:Role of S-adenosyl-L-methionine in the treatment of intrahepatic cholestasis. 208 76

Ocular toxicity is a common, but poorly understood, sequela from CMF chemotherapy. We investigated this toxicity in patients receiving CMF therapy. Detailed interviews in 210 patients revealed that new, unpleasant ocular symptoms developed in 42% of patients receiving CMF, in 39% of subjects receiving other regimens containing 5-fluorouracil (5-FU), and only in 18% of subjects receiving a variety of chemotherapy regimens not containing 5-FU. CMF-associated ocular symptoms usually consisted of mild to marked tearing, ocular pruritus, and/or burning. These toxicities usually began 11-17 days after starting a cycle of CMF and lasted for 10-15 days. 5-FU was detected in the tears of 12 tested patients within several minutes after intravenous 5-FU (peak concentrations as high as 60 micrograms/ml). 5-FU tear concentrations did not correlate with the presence or absence of ocular toxicity. There is no established antidote for this toxicity although some patients have reported subjective benefit from cryotherapy, applied around the period of 5-FU injections, or cromolyn sodium eye drops.
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PMID:Cyclophosphamide, methotrexate, and 5-fluorouracil (CMF)-induced ocular toxicity. 212 43

In an epidemiological study of occupational dermatitis in 15 different northern Italian animal feed mills, 204 workers were interviewed, examined and patch tested to 34 allergens, selected from the additives most commonly used in the animal feed mills under consideration. The prevalence of occupational contact dermatitis was 13.7% (28/204): 7.8% (16/204) irritant contact dermatitis and 5.8% (12/204) allergic contact dermatitis from animal feed additives. Among the latter, there were sensitizations, to our knowledge hitherto unreported in the literature: to indigo carmine (2 cases), monensin sodium (1 case), thiabendazole (1 case), methylchlorpindol (1 case) and amprolium hydrochloride (1 case). 3.9% (8/204) of the workers complained only of pruritus sine materia on exposed areas of the body. Contact dermatitis increased with respect to duration of employment: the difference in the rate of contact dermatitis between workers employed in animal feed mill for greater than 10 years and those employed for less than 10 years was statistically significant (p less than 0.05). 6.8% (14/204) had latent sensitivity, which was more frequent in workers with less than 1 year of employment with respect to more experienced colleagues.
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PMID:Occupational dermatitis in animal feed mill workers. 213 54


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