 [ Symptoms ] i broke my pinky fingernail down to the skin and have been feeling a tinglingslight numbness did i hit a nerve [ Disease ] your fingernails protect your fingers and when you broke the nail down so far you exposed skin that has not been exposed previously so yes you have probably hit a nerve but you hit nerves any time you bump yourself what you are feeling is nerve endings that are more sensitive due to this unexpected exposure it will go away in time keep the area protected from further injury