Concurrent use of medications that affect b12 absorption Several common medications interfere with b12 absorption through various mechanisms
According to WebMD, The more common B12 injection side effects are: Swelling at the injection site Mild dirhhea Itching Swelling in the body Low potassium (weakness, irregular heartbeat) There is a case report of an anaphylactic reaction to a B12 injection in a 55 year old women receiving cyanocobalamin, but these reactions are thought to be rare
Individuals who benefit most from B12 shots for diagnosed deficiency are patients with conditions that impair gastrointestinal absorption, such as pernicious anemia, tropical sprue, or pancreatic insufficiency
-Brenda Nope hCGer 3: I received the once weekly lipo injections given to me at a clinic and I honestly did not feel anything at all from them
People taking medications that interfere with B12 absorption, including metformin or long-term acid-reducing medications, often benefit from injections