urine color after vitamin b12 injection is red from Does a B12 shot change urine to pinkish? Vitamin B12: All You Need

There is After having a B12 shot, a person should monitor for adverse symptoms and seek medical help if they experience: severe pain at the injection site mild diarrhea a swelling sensation in the body temporary itching of the skin In rare cases, a person may also be at risk of: anaphylaxis pulmonary edema congestive heart failure peripheral vascular thrombosis, which involves blood clots polycythemia vera, which is a type of blood cancer If anyone experiences difficulty breathing, hives, or swelling, they need emergency medical help

Other stimulants may add to these effects

4,1316 Women at high risk or with known deficiency should supplement with vitamin B 12 during pregnancy or while breastfeeding

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Vitamin B12 deficiency As per the U.S

No, needles and syringes should never be reused