do b12 injections cause headaches

do b12 injections cause headaches I've had a migraine since Sept 4th. I took a injection that day (prescribed by my doctor) so I'm wondering if it's related or coincidence. I'm scared to take another one Why Do I Feel Worse

Name: do b12 injections cause headaches I've had a migraine since Sept 4th. I took a injection that day (prescribed by my doctor) so I'm wondering if it's related or coincidence. I'm scared to take another one Why Do I Feel Worse
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When you run low, the result is often a stubborn, draining sort of tiredness that no amount of coffee seems to fix

Uofmhealth.org

In addition to its metabolic functions, biotin may also influence gene regulation: it can attach to specific lysine residues on histone proteins (a process known as histone biotinylation), thereby potentially affecting chromatin structure and gene expression