Contact your bariatric team or GP if you experience: Persistent vomiting that does not resolve, or inability to keep fluids down for more than 1224 hours Difficulty swallowing or a sensation of food becoming stuck Significant hair loss, fatigue, or neurological symptoms such as tingling in the hands or feet, which may suggest nutritional deficiencies Rapid or unexpected weight regain after an initial period of loss Seek urgent medical attention via NHS 111, A&E, or 999 (as appropriate) if you experience: Severe or worsening abdominal pain Chest pain, breathlessness, or shoulder tip pain A rapid or irregular heart rate Signs of dehydration dark urine, dizziness, dry mouth, or significantly reduced urine output Unexplained fever, particularly in the first few weeks post-surgery, which may indicate a leak or infection Any signs of serious illness or deterioration Beyond acute concerns, routine follow-up appointments should not be missed
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In Conclusion Although there are no serious side effects of Vitamin B12 shots, you must still carefully monitor your symptoms after injection
These include: Complete Blood Count (CBC) to check for better anemia Serum Vitamin B12 levels to make sure the dose is right Methylmalonic acid (MMA) and homocysteine levels to see how the body is reacting Reticulocyte count to see how the bone marrow is doing Clinical Improvement Markers We also watch for signs of improvement in how patients feel
