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.
Allergic Reactions. If there's no obvious cause for your dog's itching, he may have allergies. Ask your vet to test your dog for allergies. Common allergens include fillers in food such as corn and some meats. If the itching started after a change to a new food, it's a sure sign the itching is a reaction to the food.