Tablet: Usually for adults, orally administer 1 tab 3 times a day (1500 mcg of mecobalamin). The dosage should be adjusted according to age of patient and severity of symptoms.
Injection: Peripheral Neuropathies: The usual adult dosage is 1 amp, equivalent to 500 mcg of mecobalamin administered IM or IV 3 times a week. The dosage should be adjusted according to age of patient and severity of symptoms.
Megaloblastic Anemia: The usual adult dosage is 1 amp, equivalent to 500 mcg of mecobalamin administered IM or IV 3 times a week. After approximately 2 months of medication, the dose should be reduced to a single administration of 1 amp at 1- to 3-month intervals for maintenance therapy.