Instead, the right set of equipment for Vitamin B12 are: Prescribed medicine 1 syringe (2 ml) Two needles (1 for drawing up the drug and 1 for administration you can use the same size needle for both) For an IM injection, the needle gauge should be 19-25
Here is a summary - Check that any online pharmacy displays the EU Pharmacy logo - shown above - I have checked versandapo and Bodfeld - both carry the logo
Common side effects include, but may not be limited to: pain or redness at the injection site mild diarrhea pruritus (itching) increased swelling joint pain dizziness headache nervousness or anxiety Serious side effects may include: allergic reactions peripheral vascular thrombosis hypokalemia (low potassium levels) pulmonary edema (fluid build-up around or in the lungs) thrombocytosis congestive heart failure There have been reports of anaphylactic shock and death after the parenteral administration of vitamin B12
Here are some other ways to reduce discomfort, if needed (Usach, 2019): Ask your healthcare provider if you can apply a topical anesthetic, like benzocaine, before injection
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B12 injections are generally considered safe and well-tolerated