b12 injection side effects sore throat I get pain from the B12. anyone else Vitamin B12 Injection Dose for

According to the NICE Clinical Knowledge Summary (CKS) and the British National Formulary (BNF) , the standard treatment for B12 deficiency without neurological symptoms involves: Hydroxocobalamin 1 mg intramuscularly three times weekly for two weeks Followed by maintenance doses of 1 mg every three months For patients with neurological symptoms (such as paraesthesia, numbness, cognitive changes, or gait disturbances), more intensive treatment is required: Hydroxocobalamin 1 mg intramuscularly on alternate days until no further improvement occurs Followed by 1 mg every two months for maintenance Pernicious anaemia , an autoimmune condition where the body cannot produce intrinsic factor, requires lifelong treatment

What is your protocol if I have an adverse reaction

Follow-up question: Yes I have no prescription and I will respond with more information when I receive my vials

Serum Ferritin vs

If levels do not return to the accepted range, the doctor may recommend more testing to determine the cause of the deficiency or suggest a different treatment plan