维生素K_3(VK_3)主要用于维生素K缺乏所致的凝血酶原过低症引起的出血,现发现对下列疾病有一定的疗效。1.腹痛:一些疾病的腹痛系平滑肌痉挛所致,而VK_3能直接松弛平滑肌而起镇痛作用。可用于治疗胃痉挛、胆道蛔虫症、肾绞痛所致疼痛,可口服、肌注或静注,用量4~12毫克,2~3次/日,用药 Vitamin K_3 (VK_3) is mainly used for vitamin K deficiency caused by prothrombin hypoproteinemia bleeding, found the following diseases have a certain effect. 1. Abdominal pain: Some diseases of the abdominal pain caused by smooth muscle spasm, and VK_3 can directly relax the smooth muscle and analgesic effect. Can be used to treat stomach cramps, biliary ascariasis, pain caused by renal colic, orally, intramuscular or intravenous injection, the amount of 4 to 12 mg, 2 to 3 times / day, medication