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Feeling Like You Might Fall While Walking: Causes and When to See a Doctor

Balance Disorder Differential

Gait instability and "falling sensation" arise from integration failure among vestibular, visual, proprioceptive, and central nervous systems. Key categories:

1. Vestibular (Inner Ear)

  • BPPV: Brief vertigo with head position changes (Epley maneuver treats).
  • Vestibular neuritis/labyrinthitis: Acute prolonged vertigo, nausea.
  • Ménière's disease: Episodic vertigo, hearing loss, tinnitus, aural fullness.
  • Vestibular migraine: Dizziness ± headache, photophobia, motion sensitivity.

2. Neurological

  • Peripheral neuropathy (diabetes, B12 deficiency, chemo): Loss of foot proprioception.
  • Parkinsonism: Shuffling gait, postural instability, retropulsion.
  • Multiple sclerosis: Ataxia, spasticity, sensory loss.
  • Cerebellar disorders: Wide-based gait, dysmetria.
  • Normal pressure hydrocephalus: "Magnetic" gait, urinary urgency, cognitive decline.

3. Cardiovascular

  • Orthostatic hypotension: Medications, autonomic failure, volume depletion.
  • Arrhythmias: Transient cerebral hypoperfusion.
  • Carotid sinus hypersensitivity.

4. Visual

  • Uncorrected refractive error, cataract, glaucoma, macular degeneration.
  • Vestibulo-ocular reflex (VOR) deficit.

5. Musculoskeletal

  • Osteoarthritis (hip/knee), foot deformities, deconditioning.

6. Medication Effects

  • Sedatives, antihypertensives, anticholinergics, opioids, polypharmacy.

7. Psychogenic

  • Anxiety, panic, somatic symptom disorder—heightened body vigilance.

Evaluation & Red Flags

See a clinician for: new/worsening imbalance, falls, neurologic signs, medication review. Workup may include: Dix-Hallpike, orthostatic vitals, gait assessment, labs, MRI, vestibular testing.

Fall Prevention

  • Home safety (grab bars, lighting, clutter removal).
  • Strength/balance exercise (Tai Chi, PT).
  • Vision/hearing optimization.
  • Medication review (STOPP/START criteria).

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