{"title":"Adverse side effects, including agranulocytosis and anemia, from methimazole treatment of a hyperthyroid cat.","authors":"Cristian Mastrangelo","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>A 13-year-old spayed female domestic shorthair cat was brought to a veterinary clinic because of lethargy and anorexia. The cat had a history of hyperthyroidism and had been treated with methimazole for 40 d before the appointment. Hematologic examination revealed a severe non-regenerative anemia and leukopenia characterized by severe neutropenia along with low basophil and eosinophil numbers. Discontinuation of methimazole resulted in the complete return to normal values of the white blood cell numbers and a marked increase in red blood cell numbers. This case demonstrated the need for follow-up veterinary examinations after prescription of methimazole treatment.</p>","PeriodicalId":9429,"journal":{"name":"Canadian Veterinary Journal-revue Veterinaire Canadienne","volume":"66 2","pages":"206-209"},"PeriodicalIF":0.9000,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11770607/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Canadian Veterinary Journal-revue Veterinaire Canadienne","FirstCategoryId":"97","ListUrlMain":"","RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"VETERINARY SCIENCES","Score":null,"Total":0}
引用次数: 0
Abstract
A 13-year-old spayed female domestic shorthair cat was brought to a veterinary clinic because of lethargy and anorexia. The cat had a history of hyperthyroidism and had been treated with methimazole for 40 d before the appointment. Hematologic examination revealed a severe non-regenerative anemia and leukopenia characterized by severe neutropenia along with low basophil and eosinophil numbers. Discontinuation of methimazole resulted in the complete return to normal values of the white blood cell numbers and a marked increase in red blood cell numbers. This case demonstrated the need for follow-up veterinary examinations after prescription of methimazole treatment.
期刊介绍：
The Canadian Veterinary Journal (CVJ) provides a forum for the discussion of all matters relevant to the veterinary profession. The mission of the Journal is to educate by informing readers of progress in clinical veterinary medicine, clinical veterinary research, and related fields of endeavor. The key objective of The CVJ is to promote the art and science of veterinary medicine and the betterment of animal health.
A report suggesting that animals have been unnecessarily subjected to adverse, stressful, or harsh conditions or treatments will not be processed for publication. Experimental studies using animals will only be considered for publication if the studies have been approved by an institutional animal care committee, or equivalent, and the guidelines of the Canadian Council on Animal Care, or equivalent, have been followed by the author(s).
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