Katherine A
Common causes include: Pernicious anemia, an autoimmune disorder hindering Vitamin B12 absorption Gastrointestinal surgeries, like gastrectomy, impact Vitamin B12 uptake Long-term use of certain medications, such as metformin or proton pump inhibitors Diets lacking in Vitamin B12, often seen in vegans and vegetarians For those without a deficiency, Vitamin B12 injections are not typically recommended, as their body can naturally regulate and excrete excess amounts of the vitamin
Effects on Digestion One of the key mechanisms is delayed gastric emptying
Call me if: You're vomiting and can't keep water down You have severe pain at the injection site You see signs of infection (warmth, pus, spreading redness) You're having trouble breathing or showing signs of an allergic reaction You're so nauseous you can't eat for more than 24 hours You just feel really off, and something doesn't seem right Don't call me if: You have mild nausea (totally normal) You saw a drop of blood (also normal) You're tired on the first day (expected) You have a small bruise (happens sometimes) When in doubt, send a message through the patient portal or call
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