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Charcot (shahr-KOH)-Marie-Tooth disease is a group of inherited disorders that cause nerve damage. This damage is mostly in your arms and legs (peripheral nerves). Charcot-Marie-Tooth is also called hereditary motor and sensory neuropathy.
Charcot-Marie-Tooth disease results in smaller, weaker muscles. You may also experience loss of sensation and muscle contractions, and difficulty walking. Foot deformities such as hammertoes and high arches are also common. Symptoms usually begin in your feet and legs, but they may eventually affect your hands and arms.
Symptoms of Charcot-Marie-Tooth disease typically appear in adolescence or early adulthood, but may also develop in midlife.