Contact Us Promptly If You Notice: Significant swelling, warmth, or hardness at the injection site that worsens after 48 hours rather than improving this can indicate a localized infection A spreading rash, hives, or itching that moves beyond the injection site Shortness of breath, chest tightness, or facial swelling these require immediate attention and a call to 911, not just the spa Intense or persistent nausea and vomiting that does not resolve within a day Numbness, tingling, or palpitations These are not common presentations, but they are the signals the body uses to say something needs attention
Cyanocobalamin BNF Drug Monograph
Your B12 is so low'
When B12 levels are low, the myelin can become damaged, leading to cognitive problems such as memory loss and difficulty concentrating
Pernicious Anaemia is Lifelong: If your deficiency is due to pernicious anaemia (lack of intrinsic factor), B12 injections will be lifelong, as the underlying absorption problem is permanent