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)

Idiopathic hypoparathyroidism was diagnosed in five young to middle-aged cats of mixed breeding. Three of the cats were male and two were female. Historic signs included lethargy (n = 5), anorexia (n = 5), muscle tremors (n = 4), weakness (n = 4), generalized seizures (n = 3), ataxia (n = 3), mental dullness or disorientation (n = 3), panting (n = 2), pruritus (n = 1), ptyalism (n = 1) and dysphagia (n = 1). Weakness (n = 4), dehydration (n = 2), cataracts (n = 2), hypothermia (n = 1), and bradycardia (n = 1) were found on physical examination. Results of electrocardiography revealed a prolonged Q-T interval in two cats. Results of initial laboratory tests revealed profound hypocalcemia and severe hyperphosphatemia with normal renal function. The diagnosis of hypoparathyroidism was made on the basis of the history, clinical signs, and results serum biochemical testing (i.e., severe hypocalcemia and hyperphosphatemia); in two cats, the diagnosis was also confirmed by histologic examination of parathyroid glands. Initial treatment included intravenous administration of 10% calcium gluconate and oral administration of large loading doses of calcium and vitamin D (dihydrotachysterol). Successful long-term management with dihydrotachysterol and calcium was achieved in all cats. The final dosage of dihydrotachysterol required to maintain normocalcemia in the five cats ranged from 0.004 to 0.04 mg/kg/day (mean = 0.015 mg/kg/day). Long-term calcium supplementation was given to three of the cats in dosages ranging from 29 to 53 mg/kg/day (mean = 42 mg/kg/day) of elemental calcium. One cat died after 28 months of therapy from widely metastatic hemangiosarcoma; the other three cats are still alive and well after 5 to 37 months of treatment.
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PMID:Idiopathic hypoparathyroidism in five cats. 202 14

Symptoms were evaluated in 13 haemodialysis patients at dialysate temperatures between 37 and 35 degrees C. After a control period at 37 degrees C (stage 1) dialysate flow rate was increased from 300 ml/min in half the patients but no change in temperature was made (stage 2). In stage 3 dialysate temperature was reduced to 36.5 degrees C and in stage 4 to 35 degrees C. Blood pressure and temperature were measured pre- and post dialysis and patient completed a questionnaire indicating if they experienced any of nine specified symptoms: itch, restless legs, nausea, vomiting, headache, cramp, lethargy, hypotension and change in temperature. Trial stages were compared with chi 2 analysis using Yates correction. Symptoms per dialysis fell from 1.11 to 0.71 between stage 1 and 2 (p less than 0.0005). This was considered to be a trial effect. There was no further significant improvement in symptoms overall as the temperature was reduced to 35 degrees C. However, if complaints of coldness are excluded, there was a progressive reduction in symptoms from stage 1 to stage 4. Dialysate flow rate did not affect symptom reporting. There was no effect on body core temperature or blood pressure due to cool dialysate. Our results suggest there may be some benefit in lowering the dialysate temperature but this is small in relation to the placebo effect. Caution must be used in assessing similar studies using small numbers of dialyses.
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PMID:Assessment of the symptomatic benefit of cool dialysate. 266 42

This article attempts to cover the more specific pruritic problems encountered in rabbits, rodents, and ferrets. There are certainly other causes of pruritus in these animals. Dermatophytes in guinea pigs are not reported to be pruritic, but because they are pruritic in other species, they should be considered in a differential diagnosis. A cryptococcal dermatitis in a guinea pig that was pruritic has been reported. Although mites were not seen on scraping, the animal was treated for sarcoptid mites and apparently the pruritus lessened. Because the cryptococcis was still present, it is questionable whether it was causing the pruritus. Pruritic ulcerative dermatitis over the back and shoulders has been seen in some lines of rats. Staphylococcus aureus was cultured from many of the lesions. Clipping the toenails on the feet helped lessen the severity of the lesions. Syphacia spp. have been reported in rats, gerbils, and hamsters and should be considered if there is perineal pruritus. MOBS, or "move over buddy syndrome," is seen especially in mice and may be seen in hamsters, gerbils, and rats that are overcrowded or stressed. The lesions are actually bite wounds that have been inflicted around the tail base and the perineum and on the tail, but these wounds can be mistaken for self-inflicted trauma from pruritus. All of the recommended treatments are extralabel, and clients should be informed of this. I have observed a guinea pig become lethargic and anorexic after only one application of a flea powder approved for use in cats. Brushing most of the powder off and offering dandelion greens to stimulate appetite helped. The second dusting was done with the same flea powder diluted with baby powder. Whenever these animals are dipped, it is important to let them dry in a warm, draft-free area. Again, it is important to be aware that the ratio of surface area to body weight is much higher in these small animals than in the species routinely seen in veterinary practice especially to prevent toxicoses from topically applied medications and iatrogenic hypothermia or hyperthermia.
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PMID:Pruritus in rabbits, rodents, and ferrets. 305 47

Doxepin hydrochloride, a tricyclic antidepressant, was evaluated in a double-blind, placebo-controlled crossover trial for the treatment of chronic idiopathic urticaria in 16 adults. Efficacy was evaluated by symptom scores, concomitant antihistamine use, and suppression of histamine- and codeine-induced wheal response. Doxepin-treated subjects experienced fewer lesions (p less than 0.001), less waking hours with lesions (p less than 0.01), lesser degree of itch and/or discomfort (p less than 0.001), and less swelling or angioedema (p less than 0.001) as compared to placebo-treated subjects. Doxepin-treated subjects required less daily concomitant antihistamine use (mean 0.13 tablets versus 1.48 tablets, p less than 0.05). Doxepin also significantly suppressed histamine- and codeine-induced cutaneous wheal response as compared to placebo. Lethargy was commonly observed but diminished with continued use. Dry mouth and constipation were also commonly observed. We conclude that doxepin is an effective agent for the treatment of chronic idiopathic urticaria.
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PMID:Efficacy of doxepin in the treatment of chronic idiopathic urticaria. 378 54

More than 1200 patients who received pindolol for the treatment of hypertension, angina pectoris, and various arrhythmias in studies conducted in the United States were included in the New Drug Application submitted to the FDA. Nearly 1000 of these patients received pindolol as monotherapy. The side effects reported were generally transient and of mild or moderate severity. The most frequently reported side effects seen after pindolol administration, compared to those seen after placebo, were in decreasing order of incidence: headache, dizziness, insomnia, muscle pain, fatigue, weakness, nervousness, joint pain, edema, nausea, and muscle cramps. Other side effects that occurred more frequently with pindolol than with placebo but at a rather low incidence induced weight gain, bizarre dreams, visual disturbances, lethargy, and diarrhea. Nasal congestion, throat discomfort, nocturia, impotence, pruritus, anxiety, hypotension, bradycardia, and heart failure occurred only rarely. Of the 323 patients who received pindolol alone for the treatment of mild to moderate hypertension, only 20 (6.2%) were withdrawn from the study because of side effects. Overall, 3.4% of the patients treated with pindolol were withdrawn because of side effects, most of which involved the central nervous system, that is, insomnia, anxiety, dizziness, and headache. However, a few patients manifested some edema and weight gain while receiving pindolol alone. Review of the side effects data did not reveal a tendency for the incidence of side effects to be dose related. One placebo-controlled, double-blind study designed to evaluate the fixed dosages of 15, 30, and 60 mg in the treatment of mild to moderate hypertension suggested that only the incidences of insomnia and nervousness increased with increasing doses. However, these side effects were generally transient and of mild or moderate severity. The evidence indicates that pindolol has an acceptable safety profile and that any side effects that appear are generally well tolerated and disappear with continued treatment.
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PMID:Adverse reactions to pindolol administration. 704 82

Terfenadine (5 mg/kg body weight, q12h) and placebo (0.5 grain/dog q12h) were both administered orally as individual agents to 18 dogs with atopy in a double-blinded study. No dog improved. Hyperactivity, polyphagia, lethargy, anorexia, increased pruritus, or ocular discharge were seen in three dogs treated with terfenadine. Under the conditions of the study, terfenadine was not a useful antipruritic agent for the atopic dog.
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PMID:Failure of terfenadine as an antipruritic agent in atopic dogs: results of a double-blinded, placebo-controlled study. 805 74

We studied the relation between the amount of textile and other soft fiber wall materials used in the office and the symptoms related to sick building syndrome in two identical, mechanically ventilated, eight-story office buildings. The study population consisted of 400 workers (85% of the source population): 264 males (66%) and 136 females (34%). A self-administered questionnaire inquired about the occurrence of symptoms and related personal and environmental determinants. The office environment was assessed concurrently. Exposure was defined as the surface area of textile or other soft wall material (SWM) in the office. The outcomes were formed using the 7-d prevalences of individual symptoms, including mucosal irritation score (eye irritation, nasal dryness, nasal congestion, pharyngeal irritation); allergic reaction score (eye irritation, nasal congestion, nasal excretion, sneezing); asthma reaction score (wheezing, breathlessness, cough); skin reaction score (dryness, itch, or irritation, rash); and general symptom score (headache, lethargy). In the logistic regression controlling for potential confounders, the adjusted odds ratio for the symptoms of mucosal irritation was 1.82 (95% confidence interval [95% CI] = 1.14, 2.90) in the low-exposure group, compared with the unexposed reference group; and 2.46 (95% CI = 1.15, 5.28) in the high-exposure group, compared with the reference group. Corresponding odds ratios for the symptoms of allergic reaction were 1.82 (95% CI = 1.14, 2.90) and 3.16 (95% CI = 1.41, 7.09). No difference was found in the risk for asthmatic or skin reactions or general symptoms. The results support a hypothesis that textile and other soft-fiber wall materials used in the office environment are possible determinants of sick building syndrome.
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PMID:Textile wall materials and sick building syndrome. 818 88

Twelve episodes of acute fatty liver of pregnancy (AFLP) were diagnosed in 11 patients during the past 18 years in a general hospital in Santiago, Chile, with a prevalence of 1 per 15,900 deliveries. Acute fatty liver of pregnancy started between the 31st and 38th weeks of pregnancy, with malaise, vomiting, jaundice, and lethargy as the main clinical manifestations. Polydipsia (in nine episodes) and skin pruritus (in seven episodes) were unusual clinical findings. In two patients, pruritus started two and four weeks before AFLP, suggesting that an intrahepatic cholestasis of pregnancy preceded AFLP in those patients. Considering the current prevalence of both diseases in Chile, their association should be considered fortuitous. In another patient, two consecutive pregnancies were affected by AFLP, raising to three the number of reported patients with recurrent AFLP. In 11 episodes, liver biopsies supported the diagnosis of AFLP by showing small and midsized vacuolar cytoplasmic transformation as the most prominent histopathological feature. Positive intracellular fat staining was found in the four samples analysed. Studies by electron microscopy showed megamitochondria with paracrystalline inclusions in four samples. All the mothers survived, but fetal mortality was 58.3%. Several extrahepatic complications delayed maternal recovery for up to four weeks after delivery. This study confirms an improvement in maternal prognosis in AFLP, discusses the possibility of an epidemiological association with intrahepatic cholestasis of pregnancy, and increases the number of patients reported with recurrent AFLP.
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PMID:Acute fatty liver of pregnancy: a clinical study of 12 episodes in 11 patients. 830 28

Immunologically mediated reactions to foods are responsible for up to 10% of all allergic syndromes in dogs and cats. Skin lesions (pruritus, erythema and papules) represent the main manifestation (70 to 80%) compared to only 10 to 15% incidence of gastrointestinal signs in combination with skin problems or alone. Diarrhea, vomiting, low appetite, chronic weight loss, abdominal pain and lethargy are the most common signs involved in gastrointestinal food allergy. There exists no breed or sex predilection in dogs or cats; signs may occur at any time during life time. The immunological nature of the disease can only be guessed at from anamnestic and clinical features and must be verified by presence of lymphocytes, plasma cells, mast cells and eosinophilic granulocytes in histological specimens. At this time, the responsible allergen can only be identified in a restriction diet trial based on food which the animal has not been fed before, given exclusively for at least four weeks to the pet. Changing from one brand of commercial diet to another is not recommended. The diagnosis is conclusively proven by reproducing the symptoms by feeding the original diet after the elimination of signs on the new diet. The pet can then be fed on a commercial diet (or home-made food) without the offending allergen(s).
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PMID:[Feed allergy in dogs and cats--not only a gastrointestinal problem]. 847 Jan 6

Basophilic leukemia with thrombocytosis was diagnosed in a 4-year-old Shih Tzu. This diagnosis was based on cytochemical staining and cytologic examination of blood and bone marrow smears. Hydroxyurea, an inhibitor of DNA synthesis, at a dose of 50 mg/kg PO bid induced hematologic remission after 7 days of treatment. Adverse effects observed included pruritus, erythema of the ventral abdomen, generalized alopecia, and possibly, diabetes mellitus. The dog remained in remission for 21 months before becoming lethargic, at which time the owners requested euthanasia but did not allow a necropsy.
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PMID:Basophilic leukemia in a dog. 912 96


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