why do i feel worse after b12 injections Feeling starting : r/B12_Deficiency When Should You Get a

Several medications can interact with vitamin B12 or affect its absorption, including: Metformin (diabetes medication) Proton pump inhibitors and H2-receptor antagonists (acid-reducing medications) Specific antibiotics (neomycin, chloramphenicol) Colchicine (gout medication) Aminosalicylic acid Nitrous oxide (inactivates vitamin B12) Allergic reactions to vitamin B12 are extremely uncommon but can occur

Short answer: If you can absorb B12, high-dose oral B12 (1,0002,000 mcg/day) is as effective as intramuscular injections for normalizing levels in most people (AAFP

Your new vial is 5 mg/mL

Yet, there is no gold standard blood test, and the manifestation of clinical symptoms is important in the diagnosis of vitamin B 12 deficiency (13)

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