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 Understanding the B12 Vitamin Shot:

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 Understanding the B12 Vitamin Shot:
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Description

It is important to use this medicine exactly as prescribed by your doctor or pharmacist

Because of this, the RDA when breastfeeding is higher than for pregnancy

Your vitamin B12 levels can be accurately checked by a simple blood test, which is important for your doctor to know what amounts of Vitamin B12 are suitable for your health requirements

Product Compatibility: Use Each Formulation as Intended Olympia compounds are prepared for specific administration routes to maintain product quality and performance