Capsule: Metifer 250 μg: 3 times 2 capsules daily.
Metifer 500 μg: 3 times 1 capsule daily.
The dose should be adjusted according to age and severity of symptoms.
Injection: The usual adult dose is 1 ampoule equivalent to 500 μg of mecobalamin administered intramuscularly or intravenously three times a week. The dose should be adjusted according to the age of the patient and severeity of symptoms.