does b12 injection cause constipation in deficiency is primarily neurogenic, due to autonomic and enteric neuropathy causing slow gut motility • Constipation may precede anemia • Often improves after B12 replacement • Think of B12 Are B12 Shots Safe? Royal

* Nausea * Vomiting * Diarrhea **Rare Side Effects (may affect up to 1 in 1,000 people):** * Severe allergic reactions (anaphylaxis): Difficulty breathing, swelling of the face, lips, tongue, or throat, rapid heartbeat, dizziness

B12 shots are administered by healthcare providers, ensuring the correct dosage and minimizing the risk of adverse reactions

There are generally no symptoms of it, they are 1-3 mm in size and start appearing on the legs, then spread to the rest of the body

Shi L, Chen B, Liu T, Li L, Hu B, Li C, et al

About the Ontario Health Technology Assessment Series To conduct its comprehensive analyses, Evidence Development and Standards and its research partners review the available scientific literature, making every effort to consider all relevant national and international research

this is especially evident in premature neonates and individuals with decreased renal function