vitamin b12 injections side effect How Quickly Does Shot Work? Does It Help to Lose Weight? A vitamin B12 deficiency was

If your B12 deficiency is due to an autoimmune disease or something that's not related to diet, you may need to get injections every two or three months for the rest of your life

Its clear that B12 plays a big role in blood health

Medication routes of administration

Adverse effects of biologic drugs More common side effects include: a higher risk of respiratory or urinary tract infections headaches flu-like symptoms, such as low energy and body aches reactions at the injection site, such as discoloration, swelling, or discomfort Rarer side effects include: blood disorders a higher risk of certain cancer types an increased risk of serious nervous system disorders, including multiple sclerosis (MS), nervous system inflammation, and seizures Adverse effects of methotrexate Methotrexate is not a biologic drug, and it has different side effects

Extreme fatigue Weakness Tingling in hands and feet Memory problems Difficulty concentrating (brain fog) Pale skin Mood changes What food is highest in B12