can b12 injections make sinus problems worse Shots Side Effects And How To Treat Them Vitamin B12 Injections: Hot Shots?

I had Moderna vaccine 8 days ago with no issue until this morning when I woke up with an extremely swollen injection site that is red, warm and very hard and it was initially itching, now just aching

Protease inhibitors Oral use of vitamin C might reduce the effect of these antiviral drugs

Preventing B12 deficiency If you're at risk for vitamin B12 deficiency, the following can provide some protection: Supplements

This deficiency can lead to various issues such as nervous problems and anaemia

Pernicious anemia is a very rare autoimmune disorder that does not allow for proper vitamin B12 absorption which ultimately leads individuals to have an irreversible deficiency in this vitamin