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Side effects of B12 shots Vitamin B12 injections are considered safe, but common side effects include diarrhea and swelling
CMS HCPCS overview: The official CMS reference for HCPCS Level II code structure, annual updates, and category definitions
Always consult your OB-GYN before starting treatment
B12 may accelerate red blood cell production in ways that may be harmful in this condition Use during pregnancy or breastfeeding should occur only if a licensed healthcare provider determines that potential benefits outweigh potential risks
This includes: Those who have had allergic reactions to vitamin B12 or cobalt before People with certain health conditions, like Lebers disease Getting a full medical history and talking to a doctor before starting vitamin B12 injections is very important
If you experience any suspected adverse reactions to B12 or acne treatments, report them through the MHRA Yellow Card scheme
