我院于1993年3月～1996年3月对中重度原发性痛经,采用单方维生素B_6治疗31例,6个周期。维生素B_6用法:①维生素B_6每次20mg,每日3次口服,于经前7天连服,适于经前中度疼痛病例。②维生素B_6每次40mg,每日3次口服,于经前连服7天,适于重度病例的第1～2治疗周期,继后以每次40mg,每日3次,于经前减为连服3天,用于重度的第3～4治疗周期。③维生素B_6每次40mg于行经初立即口服,4小时后再服40mg,共2次。适于行经后疼痛病例。 Our hospital from March 1993 to March 1996 on the moderate to severe primary dysmenorrhea, the use of unilateral vitamin B_6 treatment of 31 cases, 6 cycles. Vitamin B_6 Usage: ① vitamin B_6 each 20mg, 3 times a day orally, even in the first 7 days before serving, suitable for premenstrual pain cases. ② vitamin B_6 each 40mg, 3 times a day orally, even in the pre-service for 7 days, for severe cases of 1 to 2 treatment cycles, followed by each 40mg, 3 times a day, reduced to Even for 3 days for severe treatment of the first 3 to 4 cycles. ③ vitamin B_6 each 40mg at the beginning of oral administration immediately after 4 hours and then served 40mg, a total of 2 times. Suitable for pain cases after passing.