lump under skin from b12 injection site reaction after treatment Weird 3D bump on injection
Description
My family and I received Pfizer vaccine 4 days ago

Usually, injections are administered every two to three weeks to maintain vitamin B12 levels
One of the most serious risks is accidentally injecting the dermal filler into a blood vessel

Frequently Asked Questions B12 Shots at First Choice Immediate Care How Much Does a B12 Shot Cost

Clinically, deficiency manifests as macrocytic anemia, neuropathy, and cognitive changes, most often arising from malabsorption or impaired utilization rather than inadequate intake [1]

Identifying and addressing the B12 deficiency can help reverse this type of hair loss