bad reaction to b12 injection Side Effects Can Vitamin b12 Injections Cause

A low blood count can affect one or more of the following: Red blood cells Anemia is when a person has too few red blood cells and anemia can cause headaches or trouble breathing, especially with exercise

Supplements Taking Vitamin B12 in the form of pills or capsules is another common method

A board-certified OB/GYN and Fellow of the American College of Obstetricians and Gynecologists, she completed her Bachelor of Science in Nutrition at Cornell University, her MD at Wayne State University School of Medicine, and her residency in Obstetrics and Gynecology at Albert Einstein College of Medicine

Occasionally, a bone marrow biopsy is done to help confirm the diagnosis