can b12 injections cause headaches

can 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 Vitamin B12 shots: Uses, benefits,

Name: can 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 Vitamin B12 shots: Uses, benefits,
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Important: This product is intended for research purposes only and is not for human or veterinary use

Taking vitamins orally or relying on your digestive system to absorb all of the vitamins is not as effective as injections because a certain percentage of the vitamins will be lost through the digestive process and expelled as waste

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