what does vit b12 injection do Are the Benefits of Vitamin Injections? What You Need to Know

As with other antidepressants, QT prolongation has been reported very rarely with trazodone

Nayana Shetty, MBBS, MD Health Risks Associated with High B12 In some cases, high vitamin B12 levels symptoms can include unusual symptoms like anxiety or a rapid heartbeat, which are more likely associated with the underlying condition, not the elevated B12 levels themselves

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Quarterly dosing is 675 mg administered as three 225 mg SC injections every 3 months