In the treatment of megaloblastic anaemia, folic acid may be given in an initial dosage of 10 to 20 mg daily for 14 days, or until a haemopoietic response is obtained. The daily maintenance dose is 2.5 to 10 mg.
Children may be given 5 to 15 mg daily according to the severity of the deficiency state.
For maintenance dosage in pregnancy, folic acid may be given in dosage of 5 mg daily during first trimester of pregnancy.
Administration: Oral.