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 The Weird Connection Between B12

Can you have B12 injections too often

Listeriosis has similar symptoms to goat polio, so those two diseases are often confused, which can lead a veterinarian to prescribe wrong treatments

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

Age does not appear to affect the absorption of vitamin B12, ensuring consistent retention across different age groups