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Doctor insights on: What Causes Your Hand And Little Fingers To Lock Up

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What can cause little vertical lines on the tips of my fingers?! This is only on my pinky and my ring finger on my right hand.

What can cause little vertical lines on the tips of my fingers?! This is only on my pinky and my ring finger on my right hand.

Minor trauma: Usually due to using your hands - usually your dominant hand. If you accidentally bang your fingers against something during your daily activities, little lines can appear in your fingernails. ...Read more

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Randomly it would seem my little finger and down the outer edge of the palm of my hand will become numb, what would cause this?

See below: The description you give is consistent with the sensory distribution of the ulnar nerve. This nerve runs from your neck, around you elbow and to the little finger. The numbness could be cause by compression of this nerve any where along its distribution. Talk to your doctor the next time you see them about possible causes or treatments. ...Read more

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The tip of my little finger on my left hand feels numb. I thought it will go away but after 3 days still the numbness is there. What is the cause.

The tip of my little finger on my left hand feels numb.  I thought it will go away but after 3 days still the numbness is there.  What is the cause.

Several causes: The tip of the little finger miss incinerated by the lunar nerve. At the elbow the lunar nerve is relatively shallow and exposed to trauma of various kinds. People call this the crazy bone, but injury to the lunar nerve is what happens. Also the small digital artery that supplies it if damaged can cause numbness, but then often the finger tip is blue, white. If it persists over a week see your doc. ...Read more

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What are possible causes of the redness, swelling and small blisters on the fingers of my left hand? The affected area is the end of the fingers.

What are possible causes  of the redness, swelling and small blisters on the fingers of my left hand?  The affected area is the end of  the fingers.

Possibly infection: More information is needed to determine the cause. What is the color of the fluid in the blisters, clear, colored ? Is it painful ? Redness and swelling are signs of infection and infections of the hand can spread rapidly. This can be a viral or bacterial infection, or possibly a contact dermatitis (irritation of the skin). However it is not something to wait and watch. ...Read more