Can be taken for a long time, vitamin B6 tablets are tablets, is a medical insurance class non-prescription drugs. This product is suitable for vitamin B6 deficiency (vitamin B6 deficiency can cause xanthuric aciduria, iron granulocyte anemia, neurological lesions, seborrheic dermatitis and chapped lips) prevention and treatment, prevention and treatment of isoniazid intoxication; can also be used for pregnancy radiation sickness and anticancer drugs caused by vomiting, seborrheic dermatitis. Vitamin B6 supplementation in total gastrointestinal nutrition and malnutrition due to insufficient intake and progressive weight loss. Treatment of infantile convulsions or for pregnant women to prevent infantile convulsions. It can also be used to treat leukopenia. Dosage: 1. Adults: (1) Vitamin B6 dependence syndrome: 30-600mg a day at the beginning of the day, the maintenance dose of 50mg a day, lifelong use. (2)Vitamin B6 deficiency: 10～20mg a day for ****3 weeks, then 2～3mg a day for several weeks. (3)Inborn metabolic disorders (cystathionuria, hyperoxaluria, hypercystinuria, xanthuric aciduria): 100～500mg a day.(4)Drug-induced vitamin B6 deficiency: ①Prophylaxis: 10～50mg a day (when using penicillamine) or 100～300mg a day (when using cycloserine, ethylthiothionicotinicotinamide, or isonicotinic acid hydrazide). (ii) Treatment: 50～200mg a day,*** for 3 weeks, then 25～100mg a day.(5) Hereditary ferroblastic anemia: 200～600mg a day,*** for 1～2 months, then 30～50mg a day for life. (6) Alcoholism: 50mg a day. 2. Children: (1) Vitamin B6 dependence syndrome: infant maintenance, 2-10mg a day, lifelong application, the dosage of children over 1 year old is the same as adults. (2) Vitamin B6 deficiency: 2.5 to 10mg a day, **** 3 weeks, then 2 to 5mg a day for several weeks. To put it simply, just vitamin bar deficiency, eat a tablet or two on the line.