• Bumps, lumps, blisters, or bruises
• Cuts, sores, or cracked skin – even the tiniest crack can become infected
• Patches of thin or shiny skin (can signal lack of blood flow) or areas of redness (especially red streaks, which can signal the presence of infection)
• Temperature differences (one part warm, another cold) can signal lack of blood flow
• Pain, tingling, numbness, or no feeling at all are signs of nerve problems
• Ingrown toenails with red, puffy skin along the nail and tenderness or pain
• Loss of hair on foot or leg, which also can signal reduced blood flow