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
Monthly PRP or growth factor treatments
Whilst some patients report increased energy within 4872 hours, others may not notice significant changes for several weeks
B12 Shot Duration: Frequently Asked Questions How long does a B12 shot last in your body
Whether this represents a benefit or a concern is unclear without more research
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