b12 injection gave me fever what does it mean Vitamin Side Effects and Safety Why Do You Need B12

If more than five days have passed, the missed dose should be skipped, and the next dose should be administered on the regularly scheduled day

Those most at risk include vegans and vegetarians, people with digestive conditions such as Crohn's disease, coeliac disease or IBS, those taking long-term metformin or proton pump inhibitors, older adults whose ability to absorb B12 through the gut declines naturally with age, those with pernicious anaemia, and anyone with a history of chronic alcohol use

Jane Smith, International Journal of Compounded Medicines Dosing Considerations for Compounded Preparations When giving Tiaminal B12 injection, the dose must be right for each patient

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