do doctors give b12 injections Injections: Who Should Get Them and How Long They Last? do doctors give b12 injections

Severe Allergic Reaction (Anaphylaxis): Includes rash, severe itching, swelling of the face, throat, or tongue, or difficulty breathing

A: Oral supplements may be sufficient for individuals with mild deficiencies or those who have good absorption rates for the vitamin

However, B12 shots can lead to side effects including: - Headache - Dizziness - Diarrhea - Skin rash and itching - Nausea and vomiting - Fatigue - Swelling and tingling sensation Additionally, excess vitamin B12 can also result in rare but severe allergic reactions also known as anaphylaxis

But there are simpler, more stable, and far more affordable ways to get those benefits than a machine costing several lakhs