Prophylaxis of neural tube defect in pregnancy
Adult: 5 mg daily starting 4 weeks before pregnancy and continued through the 1st trimester.
Oral
Folate-deficient megaloblastic anaemia
Adult: 5 mg daily for up to 4 months. May increase to 15 mg daily in malabsorption states. Maintenance: 5mg every 1-7 days.
Child: >1 year Same as adult dose
Child: >1 year Same as adult dose
Parenteral
Folate-deficient megaloblastic anaemia
Adult: Up to 1 mg daily given via IM/IV/SC inj. Maintenance: 0.4 mg daily.
Child: Same as adult dose. Maintenance: Infants: 0.1 mg daily; <4 years Up to 0.3 mg daily; >4 years 0.4 mg daily.
Child: Same as adult dose. Maintenance: Infants: 0.1 mg daily; <4 years Up to 0.3 mg daily; >4 years 0.4 mg daily.