
When I lived in Cornwall I used to drive to Reading frequently to see my family and kids, the only problem was that one of my dogs would start being sick before I was even out of my road. In desperation I tried the ginger biscuit advice I had been given by a friend at dog training. I started off with half a ginger nut biscuit about every half an hour, and to my surprise it worked. My dog got through a whole packet by the time I got there, but no sickness, just a fat dog. I gradually decreased the amount he was given on the return journey. I think as long as the dog does not have this quantity of biscuits too frequently then it really worked for me with no side effects