Mal de débarquement

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Mal de débarquement

ORPHA:210272Clinical syndrome

Also called Disembarkment syndrome · MdD · MdDS · Sickness of disembarkment

What it is

Mal de débarquement (MdD) is a rare otorhinolaryngological disease characterized by a persistent sensation of motion such as rocking, swaying, tumbling and/or bobbing following a period of exposure to passive movement, usually an ocean cruise or other types of water, train, automobile or air travel and less commonly other movements (like sleeping on a waterbed). Onset may be spontaneous in some patients. Manifestations begin shortly after the stimulus, persist for 6 months to years and may be associated with anxiety, fatigue and impaired cognition. Symptoms are often accentuated when in an enclosed space or when attempting to be motionless (sitting, lying down or standing in a stationary position) and are relieved when in passive motion such as in a moving car, airplane or train.

Key facts

Age of onset
All ages
Inheritance
Not applicable
Classified as
Clinical syndrome

Signs and symptoms

These ranges are how often a sign appears across everyone diagnosed, not a prediction for one person — most people have some of these and not others. Orphanet also records findings that are specifically absent in this disease; those are in the data but not listed here.

ICD-10 codes

H81.8filed under a broader ICD-10 category — shared with 1 other rare disease

ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.

Related health topics

Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.

Cross-references

GARD 6959MEDDRA 10064924MESH C537840MONDO 0016217UMLS C1608983

Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.

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