 [ Symptoms ] i have the worst motion and travel sickness [ Disease ] hi the symptoms that you are facing can be due to causes like cervical spondylarthrosis peripheral vertigo caused by inner ear problems consult an otorhinolaryngologist or an ent expert and get evaluated investigations like x ray or mri of cervial spine inner ear examination can be done you can be advised neck straps for reducing sudden abrupt movement of neck hope this helps regards