Stop using bosutinib and call your doctor at once if you have: 1  severe or ongoing nausea, vomiting, stomach pain, or diarrhea; 2  black, bloody, or tarry stools, coughing up blood or vomit that looks like coffee grounds;  fever, chills, body aches, flu symptoms, sores in your mouth and throat;
Food (or environmental) allergies are especially likely to be implicated in ear problems when both ears are involved. An excess of grain and / or sugar in the diet is one of the most common causes of ear infections in dogs. The sugar actually feeds the yeast which lives naturally in the body and causes a yeast overgrowth, which results in the dark, yeasty-smelling buildup that can occur inside the ears.
Most ear infections are caused by bacteria, yeast or ear mites. Ear mites are parasitic insects that are spread from one individual to another, but yeast and bacterial infections are usually caused by an overgrowth of the normal organisms that are present on a dog's skin.