b12 injection allergy symptoms Shots: Vitamin B12 Injections Benefits, Uses, Risks 10 Skin Signs You're Low

Symptoms of vitamin B12 deficiency fatigue paleness dizziness shortness of breath headaches difficulty walking muscle spasms pain or tingling feelings confusion and memory loss mood changes, such as irritability vision problems gastrointestinal issues, such as diarrhea Untreated vitamin B12 deficiency can lead to severe complications

It's used for minor, self-limited health issues where clinical decisions are simple and risk is minimal

Transdermal forms of vitamin B 12 are available over the counter, but this route of administration has not been validated clinically in the setting of vitamin B 12 deficiency and should not be relied upon for treatment

B12 injections are safe and are not known to harm health in any way when taken under the supervision of a medical professional