When B12 levels are low, symptoms like brain fog, irritability, low mood, and difficulty concentrating often follow
These may include: Nausea and stomach upset Diarrhea Constipation Injection site redness or swelling Itching Headache Dizziness Blood clots Swelling In rare cases, some people may experience an allergic reaction to vitamin B12, which can cause symptoms such as hives, difficulty breathing, and swelling of the face, lips, tongue, or throat
Individual results may vary, and treatments should be discussed with a licensed clinician to determine appropriateness
If you're a vegetarian who eats dairy, you can probably get enough B12 from eggs, milk, and other dairy products
Dispose of a full sharps bin by taking it to your local pharmacy or by contacting the local council for specialist disposal