Seek medical advice if you are taking B12 supplements and experience: Persistent skin changes, particularly acne-like eruptions or rosacea worsening Unexplained headaches or dizziness that coincide with supplement use Gastrointestinal symptoms including nausea or abdominal discomfort Any allergic reactions such as rash or itching Call 999 or go to A&E immediately if you experience: Difficulty breathing Swelling of the face, lips, tongue or throat Severe rash or itching Other symptoms of severe allergic reaction after taking B12 These symptoms warrant review of your supplementation regimen
Some individuals may also experience an elevated heart rate or trouble sleeping [3]
Laboratory Parameters to Track To see if Vitamin B12 shots are helping, we look at a few important lab tests
Easy to use website Im not as hungry all the time, and I didnt have any side effects to the injections
People experiencing this side effect should consult their cancer care team to find solutions and help maintain adequate nutrition during treatment.
When B12 levels are low, patients may feel tired, run down, mentally foggy, or less resilient during the day