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If air bubbles form, tap the syringe gently to move them to the top and push them out before proceeding
Human clinical data does not exist
Physical Symptoms Individuals with vitamin B12 deficiency may experience weakness, tiredness, lightheadedness, heart palpitations, shortness of breath, pallor of the skin, numbness or tingling in the hands and feet, vision problems, and a smooth tongue
When Can You Expect to Feel the Effects of B12 Injections
Before taking a B12 shot, tell your doctor if you: Are allergic to B12, cobalt or any multivitamin combinations Have vision issues or Lebers disease (a genetic condition that causes vision loss) Have any infections Have been diagnosed with folic acid deficiency or iron deficiency Are pregnant, breastfeeding, or planning to get pregnant Are taking any supplements, including herbal supplements Are taking any medications, such as folic acid, methotrexate, chloramphenicol, colchicine, para-aminosalicylic acid (PAS), or pyrimethamine Have liver or kidney disease Have a drinking problem RxList
After Treatment: Patients can usually resume normal activities immediately after the injection
