As long as you feel that she does not need to be seen by the vet you could clean them yourself.
After baths I use Ear Care Formula by HealthyPetNet. Ear Care Formula Really Works!
Cleans ears and eliminates odor.
Dissolves ear wax.
Removes dirt and debris.
Soothes like only aloe vera can.
Contains no alcohol and will not sting.
Leaves ears dry, which keeps nasty ear debris at bay.
Safe and gentle enough for puppies and kittens.
Ear Care Formula contains a special botanical blend and gentle cleansers specifically developed to keep your pet’s ear's healthy.
I sell this product now and you can find it on my website in my siggy. I really like it, its made a big difference in smelly ears