Understanding Vitamin B12 and Its Importance Vitamin B12, also known as cobalamin, is key to our energy and brain health
Contact your GP or prescribing clinician if you experience : Severe or worsening fatigue that significantly impairs daily activities or persists beyond several weeks of treatment Extreme weakness or inability to perform usual tasks Dizziness or fainting , particularly on standing, which may indicate dehydration or blood pressure changes Persistent nausea or vomiting preventing adequate food or fluid intake Signs of dehydration : dark urine, reduced urination, dry mouth, confusion Chest pain, palpitations, or breathlessness accompanying tiredness Mood changes , including low mood or depression, which can manifest as fatigue Right upper abdominal pain, fever or yellowing of the skin/eyes , which could indicate gallbladder problems (GLP-1 medications may increase gallstone risk) For urgent but non-emergency concerns, you can contact NHS 111 for advice
By seeking medical attention if you suspect you have anemia and following through on recommended treatment plans, you can take steps towards improving your health and reducing your risk of future complications
Side Effect 3: Allergic Reactions Though rare, allergic reactions require immediate medical attention
For most local injection-site reactions redness, itching, or mild swelling that clears within a few days you can keep injecting on schedule
