Short answer
Mal de Débarquement syndrome (MdDS) is a persistent rocking, swaying or bobbing sensation that starts after passive motion, such as a cruise, flight or long car ride, and lasts beyond 48 hours1. Typically, symptoms ease while riding in a car again. It is thought to reflect the brain staying adapted to motion. Treatment combines vestibular readaptation, habituation and, often, care from your physician2.
Answered by Dr. Manan Patel, PT, DPT, TPS, Certified Vestibular Specialist and Therapeutic Pain Specialist. Updated October 18, 2026.
How is MdDS diagnosed?
Diagnosis is based on symptoms that meet published criteria: an oscillating sensation that begins within 48 hours after travel ends, lasts more than 48 hours, eases with renewed motion and is not better explained by another condition1. Testing, including infrared goggle examination, is usually normal, which helps rule out other causes.
Why does the rocking feeling continue?
During travel, the brain adapts to rhythmic motion. In MdDS, that adaptation does not switch off on land, possibly involving the velocity storage system that links the inner ear and eye movements2. Stress, sleep loss and hormonal changes can make it worse.
What treatment helps MdDS?
A readaptation protocol that combines specific head movements with moving visual stimulation has shown benefit in published case series2. Vestibular therapy adds habituation, balance training and a graded return to activity, and your physician may consider medicine. The evidence is still developing, so we track your response closely.
Where can I get MdDS therapy in North Atlanta?
Patients with MdDS come to our Cumming and Alpharetta clinics from across North Atlanta, including Johns Creek, Milton, Roswell, Suwanee and Forsyth County. Visits are 60 minutes, one-on-one.
Where can I get help in Alpharetta, Cumming and nearby?
Dr. Manan Patel, PT, DPT, TPS and our team of physical therapists see patients from Alpharetta, Johns Creek, Milton, Roswell, Cumming, Suwanee, Sugar Hill, Buford, Duluth and Forsyth County at two North Atlanta clinics. Every visit is 60 minutes, one-on-one, and urgent appointments are available within 48 hours. We are in-network with Traditional Medicare, BCBS / Anthem and Tricare, and offer a $129 rate per visit for self-pay and out-of-network plans. Not sure where to start? Take the free symptom self-check, or visit our Alpharetta clinic or Cumming clinic page.
Cumming clinic
Off GA-400 Exit 13 on Peachtree Parkway
Cumming, GA 30041
Alpharetta clinic
Inside Georgia Brain & Spine Physical Therapy
Alpharetta, GA 30022
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References
- Cha YH, et al. Mal de débarquement syndrome diagnostic criteria. Journal of Vestibular Research. 2020.
- Dai M, et al. Readaptation of the vestibulo-ocular reflex relieves the mal de debarquement syndrome. Frontiers in Neurology. 2014.

This answer is general education, not a diagnosis or a substitute for an examination. If you have new or worsening symptoms, contact your doctor. Call 911 for sudden severe dizziness with trouble speaking, weakness, numbness, double vision or a severe headache.