My wife has a long history of motion sickness. 53 cruises ago she relied on the patch which resulted in blurred vision and other side effects. She on some occasions needed to go to the ship doctor to get a shot but that meant a day in bed. After some attempts she was prescribed Meclizine which worked wonders with no side effect for her. She could drink alcohol with not side effects. Later that drug no longer required a Rx so she purchases the tablets 25 mg 100 tablets from our local supermarket pharmacy for $5 for bottle of 100. Has Been a reliable med and she typically may take 1 every 3 or 4