Minor side effects can include: A bit of tenderness, puffiness, or pink discoloration right around the puncture A brief warm or flushed sensation Mild headache or nausea Reach out to a medical professional right away if you notice: Redness that keeps spreading, heat, or discharge near the site (possible infection) Hives, facial swelling, or difficulty breathing (possible allergic reaction) Persistent numbness or tingling that spreads beyond the site Fever or chills within 48 hours of injection Safe Needle Disposal and Storage A proper FDA-cleared sharps bin is ideal
When your B12 levels drop, the impacts can be noticeable
doi:10.1177/2331216519885571
Symptom Relief B12 injections may help alleviate or improve symptoms associated with conditions such as anemia, sciatica, asthma, insomnia, and seasonal allergies
Frequently Asked Questions Which types of cancers are caused by Vitamin B12 deficiency
Association of Vitamin B12 with Pro-Inflammatory Cytokines and Biochemical Markers Related to Cardiometabolic Risk in Saudi Subjects