doctor won't give me b12 injection Will a Vitamin More Energy? What happens if you inject

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However, high doses of vitamin B12, such as those used to treat a deficiency, might cause: Headache Nausea and vomiting Diarrhea Fatigue or weakness Its important to note that these side effects are generally mild and temporary

Their findings raised questions about whether some patients with persistent symptoms and negative testing may still harbor evidence of Borrelia infection

One common question that arises is, "How long do the benefits of a vitamin B12 injection last?" The answer can vary from person to person based on factors such as metabolism, overall health, and the severity of B12 deficiency

Consultation with healthcare professionals remains essential for accurate diagnosis, appropriate treatment selection, and ongoing monitoring