片剂,0.2 g/片。针剂,0.05 g、0.1 g/2 ml,0.1 g、0.2 g/5 ml。治疗心肌炎、肝炎、胆囊炎、视网膜炎。重症静滴0.2~0.4 g/次,加入10%葡萄糖注射液100~200 ml中缓慢滴注,1日1次,7~14日为1疗程。禁与氯霉素、双嘧达莫、硫喷妥钠等配伍。