Common Cutaneous Reactions: Urticaria and Contact Dermatitis One of the more frequently reported side effects of Vitamin B12 injections is cutaneous reactions, which can range from mild urticaria to severe anaphylaxis
First, it can make dosing inaccurate
Basic cleanliness rather than strict sterility suffices, though clean handling always preserves product quality better
They are effective in treating cobalamin deficiency caused by IBD, EPI, chronic enteropathy, and other conditions
Sometimes we overlook the intervention with the strongest evidence
Observed effects in human trials Reported adverse events across the IV and oral trials included headache, fatigue, dizziness, nasopharyngitis, diarrhea, flatulence, increased appetite, nausea, and back pain