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    • Man who feels no pain-...

    Man who feels no pain- a medical condition "Congenital insensitivity to pain"

    Written by Dr. Kamal Kant Kohli Kohli Published On 2019-03-22T20:10:15+05:30  |  Updated On 10 Aug 2021 2:53 PM IST

    Congenital insensitivity to pain or CIP is a medical condition in which the person afflicted with the condition does not feel pain. This has been the inspiration for several films including a film 'Mard Ko Dard Nahi Hota', released recently.


    Congenital insensitivity to pain or CIP is a rare medical condition and around the world, there have only been about 20 cases of CIP reported in scientific literature. It is also known as congenital analgesia and is caused by a certain type of gene mutations that reduces the ability to feel physical pain. People born with this condition don't feel pain in any part of their body, even when they get injured or differentiate even extreme temperatures and do not sweat.


    The possible causes of this condition are-

    • Increased production of endorphins in the brain in which case, naloxone may be a treatment.

    • Voltage-gated sodium channel SCN9A (Nav1.7) disorder. Patients with such mutations are congenitally insensitive to pain and lack other neuropathies.


    The clinical feature of disease are as follows-

    • Cognition and sensation are otherwise normal

    • Patients can still feel discriminative touch (though not always temperature)

    • There are generally no detectable physical abnormalities.

    • Children with this condition often sustain oral cavity or fractures to bones.

    • Unnoticed infections and corneal damage due to foreign objects in the eye are also seen.



    CIP affects the peripheral nervous system, which connects the brain and spinal cord to muscles and to cells that detect sensations such as touch, smell, and pain. That is the reason precisely why along with feeling no pain, a lot of CIP patients also lack a sense of smell.


    People with CIP can feel the difference between sharp and dull and hot and cold, but cannot sense, for example, that a hot beverage is burning their tongue.



    • Lack of ability to feel pain is actually a disadvantage as it tends to cause an accumulation of wounds, bruises, broken bones and other health issues that may go undetected.

    • Children with CIP are more vulnerable to burn injuries because they don't feel the pain of getting burnt. They may also get mouth or finger wounds due to repeated self-biting.

    • Some patients with CIP also display a predisposition to infections and a greater incidence of corneal abrasions (scratched eyes) due to a lack of tear production.

    • Complete loss of the sense of smell (anosmia) is another potential effect of congenital insensitivity to pain.


    Congenital insensitivity to pain is found in Vittangi, a village in Kiruna Municipality in northern Sweden, where nearly 40 cases have been reported. Reports also indicate that the south Indian state of Telangana has a relatively high number of patients with CIP.




    burnsCIPcongenital analgesiaCongenital insensitivity to paincorneal abrasionsfeelingfeelsInfectionsmanMard Ko Dard Nahi Hotano painpredispositionWHO

    Disclaimer: This site is primarily intended for healthcare professionals. Any content/information on this website does not replace the advice of medical and/or health professionals and should not be construed as medical/diagnostic advice/endorsement or prescription. Use of this site is subject to our terms of use, privacy policy, advertisement policy. © 2020 Minerva Medical Treatment Pvt Ltd

    Dr. Kamal Kant Kohli Kohli
    Dr. Kamal Kant Kohli Kohli
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