Safety Risk Factors Factors which can degrade crew performance Ships in Service Training Material Motion sickness 2009

Motion sickness is a condition in which the fluid found in the semicircular canals of the inner ears becomes 'stirred up', causing confusion between the apparent perceived movement and the actual movement. Depending on the cause, it is also referred to as Sea sickness, Car sickness, Air sickness, or Space sickness. Definition of Motion Sickness Ships in Service Training Material A-M CHAUVEL

Motion sickness is the nausea, disorientation and fatigue that can be induced by head motion. The first sign is usually pallor. Yawning, restlessness and a cold sweat forming on the upper lip or forehead. As symptoms build, an upset stomach, fatigue or drowsiness may occur. Process of the Motion Sickness Ships in Service Training Material A-M CHAUVEL The final stages are characterized by nausea and vomiting.

- Behavioral (avoidance, mental activities) - Medication (conventional, alternative) - Stimulation (alternative) - Exercise (habituation) Treatment of Motion Sickness Ships in Service Training Material A-M CHAUVEL Four strategies to treat motion sickness :

Ships in Service Training Material A-M CHAUVEL Stay toward the middle and look at the horizon. Avoid ship travel if possible. Stay out of small tight places where you can't see the horizon. Please face leeward: So if you vomit, it gets blown away from the ship, not into it. Eat bland foods: crackers and bread, or bananas, rice, applesauce and toast. Treatment of Motion Sickness Behavioral strategies on Ship Please No ballasting

Most medications for motion sickness need to be taken at least 30 minutes before exposure to the activity that cause the problem. Persons with glaucoma or prostate problems should not take most of these medications unless so advised by their doctor. Ships in Service Training Material A-M CHAUVEL Treatment of Motion Sickness Medication strategies

Ships in Service Training Material A-M CHAUVEL Treatment of Motion Sickness Medication strategies - Meclizine - Dimenhydrinate - Cyclizine - Haldol - Thorazine - Promethazine. - Diazepam - Scopolamine patches. - Zofran…

There are numerous "alternative" remedies for motion sickness. The most popular are Ginger derivatives, such as ginger tea, powdered ginger capsules and raw ginger between the teeth. Ships in Service Training Material A-M CHAUVEL Alternative Medications Treatment of Motion Sickness

Repeated exposure to the things that make one ill. This may work if you can tolerate the process. This method seems to be likely to cause a lot of nausea itself. Ships in Service Training Material A-M CHAUVEL This is an exercise called “Puma Method”. Habituation Exercise Treatment of Motion Sickness

Several devices that are advertised to reduce motion sickness through stimulation of various places on the body (usually the wrist). These include "Sea Bands" and "Relief Band“. These devices are probably placebos. Nevertheless some people have had success. Ships in Service Training Material A-M CHAUVEL Stimulators Treatment of Motion Sickness

- Anti-vertigo and anti-nausea medications may provide temporary relief. - Avoid caffeine, smoking and alcohol. - Get regular sleep and eat properly. - Remain physically active. - Try to reduce stress which may aggravate vertigo and tinnitus. Ships in Service Training Material A-M CHAUVEL Treatment of Motion Sickness When you are Dizzy and your Ears Ring In Closing