Each 100 mg BOSULIF tablet contains 103.40 mg of bosutinib monohydrate, equivalent to 100 mg of bosutinib; each 500 mg BOSULIF tablet contains 516.98 mg of bosutinib monohydrate, equivalent to 500 mg of bosutinib.
Having said that, If your dog is itching and scratching all year long, then it's most likely due to either a food allergy or an allergy to something that is present all year such as dust mites or possibly even mange. In either case, you'll probably need more help to determine the cause which you can find here.
But that's not the only cause of a dog itching in summer, yeast is another big factor that causes a dog to itch. In fact, yeast is often misdiagnosed as an allergy. Yeast lives in the moist areas of our dog's skin and proliferates as soon as the weather gets hot and humid.