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Doctor insights on: Cut Thumb Numb Nerve Wanted Will Heal

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I cut my thumb and now it's numb. I know I did some nerve damage and wanted to know if it will ever heal?

I cut my thumb and now it's numb. I know I did some nerve damage and wanted to know if it will ever heal?

Hard to know: If just bruising of the nerve, it will heal. If completely divided, it may or may not heal and you could develop a painful neuroma at the injury site. If you need nerve repair, it is best done within 3 weeks of the injury. See a hand surgeon! ...Read more

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Dr. Eric Weisman
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Nerve (Definition)

The brain and spinal cord communicates with what is occurring in the internal organs and limbs by nerve fibers where are like electrical wires with insulation (myelin) and the "copper" (axon). Within brain and spinal cord these nerves connect to other nerves via synapses on both axons and dendrites. A nerve can carry information regarding sensations, and ...Read more


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I cut the inside of my thumb deep and has been numb above the cut since it happened. Will the nerve repair itself ?

I cut the inside of my thumb deep and has been numb above the cut since it happened.  Will the nerve repair itself ?

Prob will improve: Depends on the locations of the cut. If it was close to the tip of the finger, and wasn't severe enough to need stitches, everything should heal and the numbness should eventually get better. If it was close to the palm, it's possible that the numbness might not go away. It could take several months to see a difference. A nerve regrows about the thickness of your thumbnail every day. ...Read more

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Dr. Eric Weisman
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I was using scissors to cut paper and suddenly i felt something almost pop near the top of my thumb. Now my thumb is numb. Is this just a nerve?

I was using scissors to cut paper and suddenly i felt something almost pop near the top of my thumb. Now my thumb is numb. Is this just a nerve?

Proper digital nerve: Not sure about the "almost popping" thing, but forceful pressure on the proper digital nerve in the thumb can cause numbness the point of compression down. Recovery depends on the level of injury (axonotmesis, neurapraxia, neuronotmesis ) The numbness may resolves in a couple of days or may require a year if the nerve has to re-sprout from the dorsal root ganglia in the neck ...Read more

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Cut with a steak knife, went all the way through the palm side of thumb. Is swollen, tip is numb, and jolting pain when bumped. Did i damage a nerve?

Cut with a steak knife, went all the way through the palm side of thumb. Is swollen, tip is numb, and jolting pain when bumped. Did i damage a nerve?

Needs to be checked: I recommend that you go to the er and get it checked as it is a deep cut and you may need stitches, nerve damage can only be assessed on examination.Whenever you sustain a deep cut in hands there is possibility of nerve damage depending on location.You may need to be treated by a hand surgeon after er assessment. ...Read more

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Dr. Eric Weisman
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I cut my hand at work and now my thumb is numb. Do I have a nerve damage?

Possibly: Was the thumb numb immidiately after you cut it? Where on your thumb is it numb? Usually nerve damage causes only part of the thumb to be numb. For example a cut on the palm side of the thumb will make the tip of the thumb on one or both sides of the thumb feel numb but usually not the back of the thumb. If the whole thumb is numb it may be due to swelling. I would consult a hand surgeon. ...Read more

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Cut my hand at work and now my thumb is numb. Do I have a nerve damage?

Cut my hand at work and now my thumb is numb. Do I have a nerve damage?

Depends: Depend on how deep the cut is. If it s very deep then the nerve supplying the thumb got damaged. If very superficial, then the swelling has caused temporary numbness of the thumb. If the damage is not severe, then the nerve can repair itself. ...Read more

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I cut my palm and my finger is numb is that normal? Could nerves be sown swan back together? 1/2 in wide 1/2in deep between thumb and index finger and my finger is numb and none of it realy hurts as long as its not bleeding and i keep tha skin together a

It : It sounds as though you have injured the small digital nerve that supplies the side of the index finger that is toward the thumb. It may be that the swelling is compressing the nerve. Most of the time the nerve attempts to re-grow and sensation returns. You should probably see someone to have a decision made about sewing the nerve together. This is microsurgery because the sensory nerve is pretty small. ...Read more

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Cut thumb badly, got 9 stitches in ER but nail is still cut in half, will it heal back on its own? What aftercare should I do to help it heal?

It will grow: Keep the nail clean and avoid injury . If the nail matrix was not damaged, it will grow back though it may be crooked and opaque. ...Read more

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Dr. Bennett Machanic
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Numbness (Definition)

Numbness is a clinical finding in which one is unable to detect stimuli such ...Read more


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Dr. Eric Weisman
Board Certified, Neurology
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