What is the best way to stop the knee and foot pain?

Foot pain: Exercize daily, keep weight down, tylenol, (acetaminophen) or ibuprofen. If symptoms continue see your physician.

Many possibilities: The pain may be due to: trauma (fracture, sprains, arthritis), infection, metabolic conditions (gout), structural (bunion, hammertoes), or biomechanical abnormality, blood clot, or nerve damage (neuropathy). A thorough history and physical exam by a professional and possibly some laboratory and radiology exams may help to determine the right cause and appropriate treatment.

Best way: Is to find the cause. Only then can a treatment plan be made to help you.