what's the difference between b12 injections and b12 pills vs Shots B12 Injections vs. Oral Supplements:

When to see a doctor Signs that warrant a doctors review Unexplained weight loss Night sweats Unusual bruising or bleeding Persistent fatigue together with an abnormal full blood count Yellowing of the skin or eyes, or swelling of the abdomen A high B12 in someone taking no supplements, no injections and no fortified products Outside these situations, a high B12 in someone who takes a supplement is not an emergency

An important safety warning: folic acid can mask the haematological signs of B12 deficiency while neurological damage progresses

Should the pain stick around or get worse, ask your doctor for advice

Headacheor irritability