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患者女,30岁.因臂丛神经炎于1993年12月6日入院,用维生素B_(12)(徐州第二制药厂,批号930323)500ug、im、qd,维生素B_1(无锡第一制药厂,批号910914)100mg、im、qd治疗,首次注射后约3分钟患者感腹痛、恶心、呕出胃内容物,排稀便1次,伴心悸,无皮肤搔痒及皮疹,经针灸合谷、中脘穴,10余分钟后逐渐缓解.次日再次用药后数分钟患者又感剧烈腹痛、恶心、呕吐及腹泻,考虑到胃肠反应是由维生素B_(12)或维生素B_(1)所致,立即停药.为明确诊断,经患者同意于12月12日试验性肌注维生素B_(12)500ug,用药后3～5分钟患者感头晕、心
Female patient, 30 years old due to brachial plexus on December 6, 1993 admitted with vitamin B_ (12) (Xuzhou Second Pharmaceutical Factory, batch number 930323) 500ug, im, qd, vitamin B_1 (Wuxi First Pharmaceutical Factory , Lot number 910914) 100mg, im, qd treatment, about 3 minutes after the first injection of patients with abdominal pain, nausea, vomit the contents of the stomach, row of loose stools 1, with heart palpitations, no skin itching and rash, acupuncture and Hegu, Points, gradually relieved more than 10 minutes.A few days after the second medication again, the patient again felt severe abdominal pain, nausea, vomiting and diarrhea, taking into account the gastrointestinal reaction is caused by vitamin B_ (12) or vitamin B_ (1), immediately To confirm the diagnosis, the patient agreed on December 12 experimental intramuscular vitamin B_ (12) 500ug, 3 to 5 minutes after treatment, patients with dizziness, heart feeling