第一选择
多西环素
:
体重<45 kg 的患儿:2.2 mg/kg,口服/静脉给药,每 12 小时一次;体重>45 kg 的患儿:100 mg,口服/静脉给药,每 12 小时一次
在所有儿童中,无论年龄大小,多西环素是推荐的一线治疗,因为用于本适应证的疗程短,认为牙齿和骨骼不良作用可以忽略不计。[58]Dumler JS, Madigan JE, Pusterla N, et al. Ehrlichioses in humans: epidemiology, clinical presentation, diagnosis, and treatment. Clin Infect Dis. 2007 Jul 15;45 Suppl 1:S45-51.http://www.ncbi.nlm.nih.gov/pubmed/17582569?tool=bestpractice.com[119]Pickering LK, ed. Red book: report of the Committee on Infectious diseases, 28th ed. Elk Grove Village, IL: American Academy of Pediatrics.http://aapredbook.aappublications.org/current.dtl[120]Lantos P, Krause PJ. Ehrlichiosis in children. Semin Pediatr Infect Dis. 2002 Oct;13(4):249-56.http://www.ncbi.nlm.nih.gov/pubmed/12491230?tool=bestpractice.com[69]Biggs HM, Behravesh CB, Bradley KK, et al. Diagnosis and management of tickborne rickettsial diseases: Rocky Mountain spotted fever and other spotted fever group rickettsioses, ehrlichioses, and anaplasmosis - United States. MMWR Recomm Rep. 2016 May 13;65(2):1-44.http://www.cdc.gov/mmwr/volumes/65/rr/rr6502a1.htm?s_cid=rr6502a1_whttp://www.ncbi.nlm.nih.gov/pubmed/27172113?tool=bestpractice.com
在大多数病例中,多西环素的疗效很好,从未报告过成功治疗后复发。[58]Dumler JS, Madigan JE, Pusterla N, et al. Ehrlichioses in humans: epidemiology, clinical presentation, diagnosis, and treatment. Clin Infect Dis. 2007 Jul 15;45 Suppl 1:S45-51.http://www.ncbi.nlm.nih.gov/pubmed/17582569?tool=bestpractice.com[109]Thomas RJ, Dumler JS, Carlyon JA. Current management of human granulocytic anaplasmosis, human monocytic ehrlichiosis and Ehrlichia ewingii ehrlichiosis. Expert Rev Anti Infect Ther. 22009 Aug;7(6):709-22.http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2739015/?tool=pubmedhttp://www.ncbi.nlm.nih.gov/pubmed/19681699?tool=bestpractice.com[66]Olano JP, Walker DH. Human ehrlichioses. Med Clin North Am. 2002 Mar;86(2):375-92.http://www.ncbi.nlm.nih.gov/pubmed/11982308?tool=bestpractice.com
患者应当接受口服给药,除非因为重度疾病或其他原因不能耐受口服药物,在这种情况下,静脉给药。
疗程为发热结束后至少 3 天,通常是 5 至 10 天。