I'd recommend trying a diet change also... Frankie's allergies make her eyes run (amongst other things). I don't know dobes, though, but it'd be worth a try. There's some good quality foods out there to try. We currently use Natural Balance duck & potato, or I use Wellness venison, duck, or fish.
It's an especially bad allergen year here in the NW...
It's an especially bad allergen year here in the NW...