where to inject b12 shots What happens if you wrong? Where to Inject Vitamin B12

One often-missed reason for constant fatigue is a Vitamin B12 deficiency

Common side effects include injection site reactions (burning, pain, swelling, redness), headache, mild diarrhea, and upset stomach

Neurological symptoms can include tingling or numbness in the hands and feet (peripheral neuropathy), a sensation often described as "pins and needles"

In rare cases you may suffer bruising, redness, swelling or itching at the injection site which is normally transient and limited to 48 hours

The American Academy of Family Physicians and NIH identify the following clinical manifestations: Fatigue and generalized weakness Megaloblastic anemia (abnormally large, immature red blood cells) Tingling or numbness in the hands and feet (peripheral neuropathy) Difficulty walking and balance problems Cognitive disturbances including memory difficulty and confusion Mood changes, including depression and irritability Glossitis (swollen, inflamed tongue) Early symptoms such as fatigue and mild tingling are often attributed to stress, aging, or other conditions