can b12 injections cause fever Feeling worse after Injection: Answering concerns Discover the Life-Giving Power of
Description
During the physical examination, your doctor will look for a red, beefy tongue, pale or yellowish skin, a rapid pulse, and heart murmurs resulting from an anemia-related increase in blood flow demands on the heart
This is especially important if: You follow a vegetarian or vegan diet You've had bariatric surgery You have digestive disorders that might affect absorption You're taking certain medications that interfere with B12 Monitoring Your B12 Levels If you're concerned about your B12 status, your healthcare provider can order simple blood tests to check: Serum B12 levels Methylmalonic acid (MMA) Homocysteine levels These tests provide a clearer picture of your actual B12 status than symptoms alone
These cells transport oxygen throughout your body, including to your brain and muscles
Some patients report a mild headache or a feeling of lightheadedness after an IM injection
