The method you choose depends on what you're treating
But it remains only a possibility
Once you open a vial of sterile water, it has zero defense against microbial contamination
Medications that can induce B6 deficiency or antagonize its actionsuch as isoniazid, cycloserine, hydralazine, and penicillaminemay necessitate supplemental B6 under medical supervision
Patients should avoid ingesting large amounts of vitamin C within 1 hour of oral vitamin B12 administration Extended release potassium products Antibiotics such as gentamicin, neomycin, tobramycin Anti-seizure medications such as phenobarbital, phenytoin, primidone Medicines used to treat heartburn like H2 blockers such as cimetidine and proton pump inhibitors such as omeprazole Antacids such as ranitidine, cimetidine Vitamin B12 Injection Storage and Safety Information Vitamin B12 tablets should be in a cool and dry place
At very high oral doses (54 mg), gastrointestinal side effects increased significantly
