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B12 intramuscular injection sites

A 26-year-old male asked:
Dr. J. Lawrence Dohan
Dermatology 58 years experience
NO!!!: Why injecting B12??? No harm, but is there a reason? No benefit except for specific B12 deficiency due to pernicious anemia, celiac disease, intestina... Read More

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A 38-year-old member asked:
Dr. Peter Kurzweil
Internal Medicine 51 years experience
Ice 15 minutes /day: Keep site clean and dry, and apply ice as above, pain med with anti-inflammatory activity (ibuprofen, naproxen) should take care of it. The complicat... Read More
A 41-year-old female asked:
Dr. Jovita Anyanwu
Internal Medicine 31 years experience
Hematoma: calcified or hardening of the hematoma. Try warm compresses
A 32-year-old male asked:
Dr. Eric Chevlen
Internal Medicine - Oncology 48 years experience
Same: The injectable B12 is the same formulation for subcutaneous use as for intramuscular use. Both delivery routes are equally life-saving in the treatme... Read More
A 37-year-old male asked:
Dr. Randy Baker
Holistic Medicine 41 years experience
Subcutaneous OK: While IM is the standard route, it is also effective when given subcutaneously and is less uncomfortable so it should be fine to give sq. After a few ... Read More
A 28-year-old male asked:
Dr. Alvin Lin
Geriatrics 31 years experience
Shot into muscle!: Intramuscular (im) injection is a shot given in large muscle groups, typically shoulder (deltoid), thigh (vastus lateralis) and/or butt (gluteus). Che... Read More
A 23-year-old female asked:
Dr. Samantha Brown-Parks
25 years experience
Unknown: Ascorbic acid is generally given by mouth and there is much debate on how long it lasts in the human body. The half life is described in the medical l... Read More
A 40-year-old member asked:
Dr. Mark Cantieri
Pain Management 41 years experience
Yes: It can if it is injected too low and too medially.
A 31-year-old male asked:
Dr. John Gaffney
Psychiatry 26 years experience
A few days: If its a deep muscular injection (like those given in the gluteal region) - it can be sore for 1-3 days. Hope that helps!
A 40-year-old member asked:
Dr. Richard Bensinger
Ophthalmology 53 years experience
Many sites: Intramuscular injections allow for slow absorption of the active components of an injection as opposed to subcutaneous which is usually faster. The m... Read More
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