Vitamin D and calcium supplements reduced vertigo recurrence after successful vestibular rehabilitation, especially among patients with subnormal vitamin D levels, a trial in Neurology reported.
The multicenter study included 957 people in South Korea with benign paroxysmal positional vertigo who had undergone canalith repositioning maneuvers—head movements that shift displaced calcium carbonate crystals in the inner ear. The intervention group included patients who received 400 IU vitamin D and 500 mg calcium carbonate twice daily for 1 year when their baseline serum vitamin D level was below 20 ng/mL along with patients who had higher baseline levels and took no supplements. An observation group had no baseline testing or interventions.
Slomski A. Vitamin D and Calcium Prevent Recurrent Vertigo. JAMA. 2020;324(16):1599. doi:10.1001/jama.2020.18695
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