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
The answer depends on why you are deficient
Thank you for providing these home shot kits
But not all of them operate with the same rigor
If you do not know what MTHFR is, or would like to learn more about MTHFR, read our introduction to MTHFR here
But often, our patients feel the advantages of this therapy 24 to 72 hours after receiving the B12 injection