Full-B12 Injection is a prescription medicine having a combination of vitamins that is used to treat vitamin and mineral deficiencies. It ensures the proper growth and functioning of the body. Full-B12 Injection injection is administered under the supervision of a healthcare professional. You are not advised to self administer this injection. Inform your doctor if you have any known allergy from this medication. You may experience symptoms of injection site reactions such as redness, swelling, and pain. Usually, they go away with time but if these symptoms persist for a longer duration, please consult your doctor. Inform your doctor if you are suffering from any disease or are taking any medicines. It is advised to avoid intake of alcohol while taking this medicine.