no, thankfully not (haven't tried that one), but the Rogue is allergic to all kinds of stuff (most recently: his plastic e-collar, gave him contact dermatitis), so I totally believe a cat can be allergic to the scoop... there are hypoallergenic cat litters out there. I suggest Dr Elsey's because it is nearly free of dust.
Have no idea, but we stopped using it to be on the safe side.
The reason we stopped is because Tim had all sorts of problems in February. Coughing and possible mild asthma among them. One day when I was scooping the box, I noticed the clouds of dust and thought that perhaps it wasn't good for the cats to be breathing clouds of wheat, especially as I pay extra for grain-free food.
We switched to Dr. Elsey's Precious Cat, which the cats love, love, love. Now they won't use anything else and I've tried other brands alongside Dr. Elsey's. We are currently using the respiratory relief, but may switch to the basic formula in the blue bag, as it's not as expensive.
I don't know if changing the litter resolved any of Tim's coughing issues because we made a lot of other changes. But I can tell you both cats enjoy their box time much more and seem to use them more frequently (i.e., they are not holding it like it seems they were).
Many cats have a wheat allergy. It is a wheat-based product. I also worry about the potential for aflatoxins. They say it's heat treated so won't attract bugs, but when we tried it, it attracted ants. I also found it to be very dusty, and it aggravated my asthma.
Thank you all. I changed Obi's litter last night to one made of walnut shells. I didn t want to do a clay litter, as most of them are dusty, the bags are heavy, and I practically have to chisel out the wet areas. But I did think of the pesticides in the wheat, and it seems that Obi's problems - especially the licking - coincided with starting the Swheat Scoop. And I know about gluten as well...so, I feel I am grabbing at straws but it seemed a logical rule out.
You might want to contact Lisa (owner of IBDkitties.net) to see where she got this information: http://www.ibdkitties.net/Toxicunsafe.html Obviously this is regarding ingestion - but cats would be ingesting any dust. What I don't know is how much it takes or matters. :dk: