My wonderful dog, Kersey, gets carsick and she's 9 years old. She's been getting carsick since the day she was rescued by her foster mom. I've tried everything with her: crate, changing seating positions, withholding food/water, seeing outside, not seeing outside, nothing but fun trips (I used to do SAR as well as agility training with her...it does not get more fun than that for a doggie), homeopathics, as well as dramamine. The dramamine helps a little, but she still vomits. When I have a trip planned with Kersey, I fast her and give her dramamine about 2 hours before our drive. It's a shame because she's the perfect dog other then the puking in the car.

Sadly, Kersey never outgrew it. Some dogs do with time, but unfortunately not my dog. I hope your foster pup outgrows it. How old is Jasper? I'd love to see photos of him