It is characterized by symptoms such as tingling (paraesthesia), numbness, pain, temperature sensitivity, and muscle weakness in the hands and feet and can spread throughout the body
Prolonged use of Vitamin B6 (over 2 months) at high doses exceeding 1g/day can lead to severe peripheral neuropathy, with symptoms including unsteady gait and numbness in the hands and feet
Parenteral cobalamin and timing-sensitive interpretation Injected B12, given intramuscularly or subcutaneously and described as parenteral, is an expected cause of a high serum value
Furthermore, the liver participates in converting B12 into its active coenzyme forms: methylcobalamin and adenosylcobalamin
There is no risk of dangerous overdose from typical multivitamins alongside the shot, but any more than that (like multiple high-dose supplements) should be avoided
It is thought that something triggers the immune system to make antibodies against intrinsic factor