what size needle and syringe for b12 injection Is It Okay To Use A With Insulin Syringes? what size needle do you

You should not use an injection site that has evidence of infection or injury

No specific food or drink needs to be avoided, but it's advisable to limit alcohol intake as it can affect vitamin absorption and increase elimination

Although adverse reactions to intravenous, intramuscular or subcutaneous injection of 0.9% benzyl alcohol are not known to occur in man, experimental studies of small volume parenteral preparations containing 0.9% benzyl alcohol in several species of animals have indicated that an estimated intravenous dose up to 30 mL may be safely given to an adult without toxic effects

Deficiency is particularly common in elderly people, because the ability to absorb vitamin B12 can decrease with age ( Other people at risk of deficiency include those who have had intestinal surgery, including weight loss surgery

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