b12 injections cfs & Home Nurses for Chronic Fatigue & Deficiency B12 deficiency and CFS

(This dosing is mentioned for completeness

When adverse effects occurred, they were typically mild and transient, with the most common being mild to moderate headaches (similar frequency to placebo groups), minor injection site reactions (redness, slight swelling), and gastrointestinal effects at higher oral doses (nausea, diarrhea)

Its known for its oily, flaky appearance and may cause swelling or white patches ( One reason B6 deficiency may result in skin rashes is that the vitamin helps synthesize collagen, which is needed for healthy skin

Archivum Immunologiae et Therapiae Experimentalis-English Edition- 53 (3): 213

PMID 18245139