Adopted a 8 or 9 mos old 5 days ago she has had most all shots& flea treatment,she seems to sneeze alot & scratch her neck areas too, I don't see any fleas, No runny nose ect.. should I be concerned? I'm using WB litter, I find it too be rather dusty, as she really goes after it when shes in the box, I may swith to sweet scoop?? any thoughts??? also what is the best detterant to use too avoid certain areas I don't want her to go to???