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
Often, the treatment options for this type of back pain are also more limited, making an already troublesome issue even worse
Effects of Methylcobalamin Injection typically wear off between 48 to 72 hours, though this varies from person to person
The compound is supplied as a lyophilized freeze-dried white powder in a sealed amber-glass vial under inert gas
Tissue healing takes weeks
