Treatment of folate-deficient megaloblastic anaemia: 5 mg or 1 tablet daily for 4 months; up to 15 mg or 3 tablets daily in malabsorption states. Continued administration of 5 mg folic acid every 1 to 7 days may be necessary in chronic haemolytic states depending on the diet and rate of haemolysis.
Prevention of neural tube defects in the offspring of pregnant women of child-bearing potential: 5 mg or 1 tablet daily starting before pregnancy and continued through the first trimester or as prescribed by the physician.