<unk>  (CIP), also known as<unk>  analgesia, is one or more extraordinarily rare conditions in which a person cannot feel (and has never felt) physical<unk> . The conditions described here are separate from the HSAN group of disorders, which have more specific signs and cause. Because feeling physical<unk>  is vital for survival, CIP is an extremely dangerous condition. It is common for people with the condition to die in childhood due to injuries or illnesses going unnoticed. Burn injuries are among the more common injuries.
Congenital insensitivity to pain
Hereditary neuralgic amyotrophy
Hereditary neuropathy with liability to pressure palsy
Hereditary sensory and autonomic neuropathy
Accessory nerve disorder
Monomelic amyotrophy
Split hand syndrome
Dissociated sensory loss