My 19 month old very rarely gets diaper rash, and right now he has an awful one we can't seem to kick. He's had diarrhea and been pooping like crazy since Friday, which is obviously not helping the rash at all. The rash is smooth so not yeasty, but the skin is starting to break in some spots because it's so raw. :-(. We have a 7 hour drive home tomorrow and I'm not sure what to do!

Any crazy amazing suggestions? We've done baths with baking soda, diaper free time, not using wipes just water / washclothes, and putting A+D and max strength desitin on every diaper change.