What exactly is charcot marie tooth disease?

Charcot Marie Tooth: Charcot Marie Tooth disease is a generic nerve disease that effects the peripheral nerves that control especially the foot and lower limbs.

CMT: CMT disease is a genetically and clinically heterogeneous group of inherited disorders of the peripheral nervous system characterised by progressive loss of muscle tissue and touch sensation across various parts of the body. Link: http://en.wikipedia.org/wiki/Charcot%E2%80%93Marie%E2%80%93Tooth_disease

See a neurologist: Charcot-Marie-Tooth disease are muscle weakness and decreased muscle size, considered a hereditary, neurological disorder. See a neurologist for management.