fever after b12 injection Are Vitamin Shots Right for You? How Can Vitamin B12 Shots

Heres a quick look at why people often choose this boost: 1

In rare cases, starting high-dose B12 treatments for severe anemia may cause temporary imbalances in potassium levels or an acne-like rash

Frequency of Vitamin B12 Injections The number of injections you need depends on your individual condition

These may include: ( 4 ) Fatigue or lack of energy Brain fog or trouble concentrating Irritability or mood swings Pale skin or shortness of breath Tingling in the hands and feet Difficulty walking or staggering Anemia Swollen or inflamed tongue A B12 deficiency in men may also contribute to low testosterone, weight gain, and poor exercise recoverymaking it a hidden factor in many mens health concerns