The coverage guidelines are as follows: Pemetrexed: One intramuscular injection of vitamin B12 before the first dose and then every three cycles. Pralatrexate: 1 (milligram) mg of vitamin B12 as ...

Supplements and injections are effective ways to treat vitamin B12 deficiencies. These are the benefits and potential risks ...

Doctors may recommend or prescribe high-dose vitamin B12 supplements. However, if symptoms worsen, weekly vitamin B12 injections might be necessary. It's crucial to address a vitamin B12 ...