Driving while under the influence could slower your reflexes so you most likely to crash. I'm unsure if i had answer you question or not but that is what i had got.
..........false....... I dont know..
If you want to stop it without using any medication, the best way to do it is by drinking warm herbal liquid like the mixture of warm tea and a little bit of honey or the mixture of warm water with a little bit of salt
If you want to stop it using medication, it's probably best to use the one that contained pepto-bismol or simethicone