can b12 injection cause headaches I've had a migraine since Sept 4th. I took a that day (prescribed by my doctor) so I'm wondering if it's related or coincidence. I'm scared to take another one Vitamin B12 Deficiency: Causes, Symptoms,

It has been shown to improve mood, energy, and metabolic function

The enzyme responsible for degrading excess norepinephrine and adrenaline is called COMT (catechol-O-methyltransferase)

High fever with chill Increasing redness, warmth, swelling, or pain at the injection site A pus-like discharge Red streaks spreading outward from the injection site Common Reasons for Needing an IM Injection Self-administered IM injections may be used for different reasons, including assisted fertility treatments, gender-affirming hormone therapy, vitamin B12 supplementation, and some disease-modifying treatments for autoimmune diseases like rheumatoid arthritis

Cyanocobalamin (Vitamin B12) A stable, trusted form of B12 that the body easily converts to its active form

Vitamin B12 injections offer a quick, targeted solution by replenishing your bodys stores directly, helping to restore energy, mental clarity, metabolic balance, and overall vitality

Always talk to a healthcare provider about your specific situation