adverse reaction to vitamin b12 injection Side Effects Common & Rare Side Effects

Several factors can lead to elevated B12 levels, including: Over-supplementation: The excessive intake of vitamin B12 through high-dose oral supplements or repeated intramuscular injections can raise blood levels of B12 temporarily 6

Breastfeeding mothers require increased amounts of B vitamins because they are essential for infant development and are passed through breast milk

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Circulatory symptoms You might notice breathlessness even while sitting still, a rapid heartbeat, or unusually pale skin

Specifically, the muscle injected is known as the vastus lateralis

Most side effects are minimal and mild