b12 injection covered by medicare Vitamin Supplements and Injections in Orlando FL does medicare part b cover

PMCID: PMC4967041

Potential side effects include: Injection site reactions, including redness, swelling, bruising, pain, or irritation Mild fluid retention (edema) Joint or muscle discomfort Headache, dizziness, or flushing Changes in glucose regulation, particularly in individuals with diabetes or prediabetes Itching, restlessness, drowsiness, nausea, or difficulty swallowing (3) Importantly, the occurrence of potential side effects does not predict an individual's overall response to therapy

Klinische Padiatrie 2024;236:223-8

Over time, the rubber septum of the injection vial can allow bacterial infiltration, and the preservative system in the formulation degrades

And in some cases, recently expired, properly stored medication probably retains most of its potency