A sudden sensation of spinning or tilting in one's surroundings can be linked not only to vestibular disorders, but also to dehydration, metabolic issues, and endocrine system diseases. Neurologist Rebecca Andrews shared these insights with USA Today.
According to Dr. Andrews, vestibular system dysfunctions are a common trigger for dizziness. These include vestibular neuritis and labyrinthitis—inflammatory conditions capable of causing sudden episodes of vertigo.
Among other potential causes, Andrews highlighted vestibular migraines and Meniere's disease. Dizziness can also stem from benign paroxysmal positional vertigo (BPPV)—brief episodes typically triggered by tilting or turning the head.
The neurologist also noted persistent postural-perceptual dizziness (PPPD), a condition in which the discomfort can persist almost daily and worsen when walking or standing.
Beyond inner ear and vestibular issues, dizziness can be caused by vitamin deficiencies or thyroid dysfunction; due to low blood pressure, weakness, anemia, and metabolic disruptions, some individuals experience a feeling of unsteadiness or lightheadedness.
Dehydration is another key factor associated with dizziness. A fluid deficit reduces blood volume, which can drop blood pressure and trigger feelings of weakness or loss of balance. Fluctuations in blood glucose levels represent another possible trigger—both abnormally low and high blood sugar can cause weakness and a sense of imbalance.
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