Failure to do so will result in return of the anemia and in development of incapacitating and irreversible damage to the nerves of the spinal cord
Common side effects include: Injection site reactions mild pain, redness, swelling, or bruising at the injection site, typically resolving within a few days Headache usually transient and manageable with standard analgesia Nausea or dizziness particularly in the initial treatment phase Skin reactions including itching, mild rash, or acneiform eruptions Temporary urine discolouration red or orange urine is harmless and expected Diarrhoea or flushing usually mild and self-limiting In patients with severe megaloblastic anaemia, low potassium levels (hypokalaemia) may occur during initial intensive treatment, but this is uncommon in routine maintenance therapy
Therefore, we always recommend professional training before anyone administers your shot, well, or any type of B12 injection
Composition and Therapeutic Applications Tiaminal B12 shots have thiamine (Vitamin B1) and cyanocobalamin (Vitamin B12)
Although your doctor may put aside their concerns if/when you explain that you have been supplementing with vitamin B12, it's not outside the realm of reason that your doctor may still want to bring you in to rule out serious illness