B12 Shots Side Effects. Gastrointestinal Reactions Some people may experience reactions in the gastrointestinal tract after getting a vitamin B12 shot. Vitamin B12 is considered safe even in large doses. As a note the common side effects of excess vitamin intake include flushing diarrhea nausea and vomiting. Side effects requiring immediate medical attention Along with its needed effects cyanocobalamin the active ingredient contained in Big Shot B-12 may cause some unwanted effects.
When applied to the skin. Safety and Side Effects Vitamin B12 injections are generally considered to be very safe. Although not all of these side effects may occur if they do occur they may need medical attention. Vitamin B12 is LIKELY SAFE for. Mild diarrhea andor upset stomach. I had a few little symptoms whilst travelling and then found out I had a b12 deficiency 96.
You may report side effects to FDA at 1-800-FDA-1088.
Although not all of these side effects may occur if they do occur they may need medical attention. Vitamin B12 is considered safe even in large doses. Side effects requiring immediate medical attention Along with its needed effects cyanocobalamin the active ingredient contained in Big Shot B-12 may cause some unwanted effects. Tell your doctor right away if any of these unlikely but serious side effects occur. Common Vitamin B12 side effects may include. Call your doctor at once if you have.