Posology
Adults and Paediatric population
The following dosage are suitable for adults and children.
Addisonian pernicious anaemias and other macrocytic anaemias without neurological involvement.
Initially 250 to 1000 micrograms intramuscularly on alternate days for one or two weeks, then 250 micrograms weekly until the blood count is normal
Maintenance: 1000 micrograms every two to three months
Addisonian pernicious anaemia and other macrocytic anaemias with neurological involvement
Initially: 1000 micrograms on alternate days as long as improvement is occurring. Maintenance:1000 micrograms every two of three months.
Prophylaxis of macrocytic anaemia associated with vitamin B12 deficiency resulting from gastrectomy, some malabsorption syndromes and strict vegetarianism
1000 micrograms every two or three months. Tobacco amblyopia and Leber's optic atrophy
Initially: 1000 micrograms daily by intramuscular injection for two weeks then twice weekly as long as improvement is occurring.
Maintenance: 1000 micrograms every one to three months as required.
Method of Administration
Intramuscular injection