Cerenia is available in a transdermal version from Wedgewood, among other options. We use transdermal for Ireland. Our vet said the dosing is different for the transdermal formulation (you need to give more mgs of the actual compound) but it works well for Ireland. Her sister, however, absolutely hated transdermal when I tried applying it once since I'd much rather give her Cerenia that way instead of in her food.There are no transdermal anti-nausea meds that I know of.