Morton's neuroma may be the cause of your sharp, searing pain in the ball of your foot, particularly between your third and fourth toes, or if you've ever felt as though you're walking on a stone. This common but frequently misdiagnosed illness causes pain, numbness, or a tingling feeling when the nerve between your toes becomes crushed or inflamed.
Patients with diabetes frequently develop an intermittent or permanent loss of sensation (neuropathy) in their feet. Without the warning of discomfort or pain, pressures developed from poorly fitting footwear, particularly on the soles of the "diabetic foot" can result in an open ulcer