One option is a prolonged course of vancomycin therapy with a subsequent gradual tapering (eg, 125 mg 4 times daily for 2 weeks, 125 mg twice daily for 1 week, 125 mg daily for 1 week, 125 mg every other day for 1 week, and 125 mg every 3 days for 2 weeks)
This often occurs in smokers, people with metabolic disease, heavy alcohol drinkers, as a side effect of certain prescription drugs, rheumatoid arthritis and impaired thyroid function
In summary, the usual dose for Vitamin B12 shots in adults is 1000 mcg (1 mg)
Though fistula formation is not generally a consequence of celiac disease, it is affected by actin myofilament function in the cells that line the intestine
Sun and The Cannon Beach Gazette