In rare situations, B12 shots itching rash anaphylaxis, a life threatening condition that can cause a fast heartbeat and difficulty breathing Other side effects that can occur include: shortness of breath, fast weight gain, and swelling congestive heart failure, the inability of the heart to adequately pump blood pulmonary edema, the buildup of fluid in the lungs peripheral vascular thrombosis, the obstruction of a vein with a blood clot hypokalemia, low potassium levels that can cause irregular heartbeats and muscle weakness fever tingling, numbness, and joint pain swollen tongue polycythemia, an increase in the red blood cell mass Additionally, B12 B12 shots are not necessary for weight loss
Unlike with many of the other vitamins, B12 is not synthesized by the body
Vitamin B12 shots are ideal for individuals with a B12 deficiency, those experiencing fatigue or low energy, vegans and vegetarians, and anyone seeking an immune or metabolic boost
This is another aspect of the catch-22 backlash: without appropriate levels of B12, the effects of FIP may worsen, and because of FIP, your cat's ability to retain adequate reserves of B12 is diminished
National minimum retesting intervals in pathology [Internet]
NAD+ Metabolism and SIRT1 Research: Canto, C., & Auwerx, J
