what happens if you have too many b12 injections Feeling worse after Injection: Answering concerns What Happens if You Take
Description
The vial lasts exactly four weeks

These symptoms develop because the body lacks sufficient red blood cells to carry oxygen throughout the body

Results vary between individuals

This indicates that you may need more frequent injections especially when you get to the 3 month maintenance injections
Treating vitamin B12 deficiency Vitamin B12 deficiency anaemia is usually treated with injections of vitamin B12