I have pain in my heel and at the tip of my toe when I press down (like I'm stepping on a nail). My skin is a bit thicker in these areas. What should I do?

It is possible that the thickened skin on your heels and toes are corns. It is recommended that you consult a podiatrist to confirm this and receive appropriate treatment. In the meantime, try not to wear tight shoes and take pain medication as needed.