does vit b12 injection hurt What happens if you inject wrong? Vitamin B12 Injections: Good or
Description
Frequency: Weekly for skin brightening results
Injection site erythema lasting less than 24 hours is common and benign
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10.1007/s40122-016-0049-y [DOI] [PMC free article] [PubMed] [Google Scholar] 67.Kurganova YM, Danilov AB

Bruises can form when blood leaks out of a blood vessel, creating a distinct blue or purple patch on the skin
