Unfortunately, costs for having pets has to include something put aside for vet bills because there will be some. Not sure about natural remedies, but there can be some holistic remedies available depending on the condition, which is something you have to know just what it is or you could be trying to fix the wrong thing.

Try site below to check on symptoms. Also has other rat links you can go to. Once you’ve identified what it is, try Googling Pet Holistic Medicines and you may find some help that way.

why would you bathe a rat-mine had a skin disease until i hit it in the head with a hammer

you sure its sound hes sensitive to? dose he have any weird things sticking to his fur? cus it could be mites they can get in there ears and make them itch, if its not mites and it is a skin disorder keep his cage as clean as you can and change bedding regularly