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Step 1
Take your senior dog for regular veterinary exams. Routine exams done can detect any problems before they become more serious.
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Step 2
Feel for unusual lumps or other skin abnormalities. Check the dog's teeth and gums and observe his gait as he walks. Report any changes in appearance or behavior to your veterinarian immediately.
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Step 3
Change your dog's diet to ensure he is getting all the nutrients he needs. Food for younger dogs may not contain the proper nutrients a senior dog needs to boost his immune system. Like you, your dog needs fiber and antioxidants to thrive. Consult with your veterinarian about the best diet for your senior dog.
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Step 4
Add supplements (see Resources below) to your senior dog's diet. Vitamin and mineral supplements designed for older dogs can help boost the dog's immune system and help prevent cancer.
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Step 5
Stop vaccinations. Vaccinations can weaken a dog's immune system. Chances are an older dog doesn't need the vaccinations that he received when he was younger. Consult with your veterinarian about the possibility of stopping vaccinations for your senior dog.
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Step 6
Give your dog only pure water. Tap water can contain elements harmful to the dog's health and possibly cause cancer. Get into this habit when the dog is young.
