What are some ways to treat a spur on the foot?

Kinesio taping. Treatment for the causes of bone spurs may include physical therapy, stretching, deep tissue massage and weight loss programs attempting to reduce the stress on the joints involved. Holistic perspective bone spurs are signs of acidic body type - measure your pH should hold between 6.8-7.4 - to make body alkaline you can start using green drinks, vit d3, aloe vera drinks.
Depends where. Heel spurs on the bottom don't cause pain. It is a large myth. Spurs in the back and on the top may cause pain and should be evaluated by an orthopedic surgeon specializing in foot and ankle.