Vestibular Neuritis and Labyrinthitis. Vestibular neuritis and labyrinthitis are most commonly caused by infection with a germ (a viral infection) that affects the inner ear. These conditions typically cause vertigo, often with sickness (vomiting). Vertigo is the sensation that you or your surroundings are moving.
Child safety seat laws. All 50 states and the District of Columbia have child safety seat laws. Child safety seat laws require children to travel in approved child restraints or booster seats and some permit or require older children to use adult safety belts.
Know What You Need. In general, make sure you know the car seat laws at your destination. Car seat laws vary by state in the US. For example, a child who can ride in a booster seat in California may need a seat with a five point harness in Washington State. This Website has links to car seat laws in the US and Canada.