b12 injections forum How Quickly Do You Feel Better After Injections? b12 injections forum B12 &

No idea if that's actually the cause

Three areas create the clearest red flags: The subdeltoid bursa which reacts with inflammation when vaccine material enters the space, often creating significant swelling The rotator cuff tendons which produce more pain during lifting motions or outward rotation The joint capsule which can stiffen rapidly if trauma or inflammation develops These structures do not follow the timeline seen in normal arm soreness

If you are on a treatment plan that requires follow-up injections, well schedule your next appointment and answer any questions about your ongoing care

Youre concerned about long-term supplementation or vitamin use

First timer user, I am grateful for Dr