Intramuscular Injection Advantages This method is easy and accessible If healthcare professionals or family is not available, you can do it yourself
Those considering B12 injections for non-medical purposes should discuss the risk-benefit profile with a healthcare professional, as the potential harms may outweigh any perceived advantages in the absence of deficiency
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
Depending on the size of the area being treated, your procedure can last between one and two hours