Every so often i get painful cramping in the balls & toes of my feet, bruising sometimes appears afterwards. it hurts & is awkward to walk. what is it?

Possible Neuroma: The most common cause of painful cramping in the toes is a Morton's Neuroma This is a condition in which a nerve under the toes becomes entrapped or degenerated. Some cases even hurt at night. The Morton's Neuroma occurs between the 3rd and 4th metatarsals. Although neuromas can be found between 2 & 3. Treatment includes injections, orthotics or removal of the nerve segment.