Hey, sounds like my cats. I get all worked up about something, take them in for an $80 visit only to be told either they don't know what it is or they stop doing it at the vet and it's probably nothing. I was ready to take my cat in for her tongue sticking out, but I looked it up online and finally realized she was just content. -_-

I think I've had the cats drool excessively before and it is just a repsonse to something fleeting. What other symptoms does your cat have that made you worried?