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卡介苗的剂型有皮上划痕剂(每ml含菌量75mg)、皮内注射剂(每ml含菌量0.5～0.75mg)、口服制剂(每mg含菌量100mg)等三种,含菌量相差100倍以上,若不慎误种常会发生严重反应,应引起重视。一、皮内注射卡介苗误注入皮下卡介苗皮内注射液现最为常用,注入皮内便即出现白色皮丘。注入皮下时则不会出现皮丘,而且往往超过剂量。误注原因都因未掌握皮内注射技术。误注后接种部位出现硬结,短时间体温升高至38℃左右。一般无淋巴结肿大体征。注射部位硬结约半数以上在30～50天内破溃。
Bacillus Calmette-Guérin (BCG) dosage forms include dermal scratching agent (75 mg per ml), intradermal injection (0.5 mg / ml to 0.75 mg per ml), and oral preparation (100 mg per mg) A difference of more than 100 times, if accidentally mistaken species often serious reaction should be taken seriously. First, the intradermal injection of BCG mistakenly injected subcutaneously intradermal BCG injection is the most commonly used, into the skin will appear white pits. When injected into the skin does not appear pits, and often exceed the dose. Mistakes due to mistakes are not controlled because of intradermal injection technology. Misdirected after vaccination site induration, short-term temperature increased to about 38 ℃. Generally no lymphadenopathy. About half of the injection site induration ulceration in 30 to 50 days.