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Black and blue big toenail

A 16-year-old female asked:
Dr. Scott Keith
Podiatry 45 years experience
Photo documentation.: A black/ blue spot under the nail in a 16 year old is probably nothing more than a bit of dried blood trapped under the nail. This could be the conseq... Read More
A 54-year-old female asked:
Dr. Ralph Morgan Lewis
Family Medicine 39 years experience
See below: May be from direct trauma to nail causing bleeding under the nail. If toenails are too long &/or footwear is too short, nail trauma can occur. If u ha... Read More
Dr. Jordan Steinberg
Podiatry 15 years experience
Black and blue: A black and blue toenail is usually due to trauma to the nail usually when running in shoe gear. If the nail is completely black and blue you may need... Read More
A 31-year-old male asked:
Dr. Andrea Brand
Specializes in Family Medicine
See a doctor: My concern here is whether this is a bruise or something else. If you can't recall any trauma or wearing tight shoes, perhaps this is not a bruise. Me... Read More
A 24-year-old female asked:
Dr. Amandeep Kaur
Family Medicine 11 years experience
Toe nail: If you do not have any other symptoms and no more spots appear then it’s generally not a reason to worry about. But if you are concerned then please c... Read More
A 32-year-old male asked:
Dr. James Ferguson
Pediatrics 47 years experience
Bruise: He likely hit his toe & accumulated blood beneath the nail. When this happens it takes a long time for the stain to grow out. Kids toenails grow a... Read More
A 52-year-old female asked:
Dr. Heidi Fowler
Psychiatry 26 years experience
If you were healing: well and you suddenly have marked swelling - I would advise your podiatrist or orthopedic surgeon.
A 36-year-old member asked:
Dr. Arnold Beresh
Podiatry 42 years experience
Trauma: Usually trauma or injury will cause bleeding under the nail and the appearance of being black & blue.
A 49-year-old member asked:
Dr. Eric Tepper
Podiatry 42 years experience
Trauma to toenail: It usually is indicative of a traumatic event to the toenail. The discoloration is a sub ungual (beneath the nail) hematoma.
A 49-year-old member asked:
Dr. Adam Teichman
Orthopedic Foot and Ankle Surgery 20 years experience
Rubbing in a shoe: If you are runner this is a common occurence due to pressure with the nail and the shoes. We call this runner nail. If you are a runner or not sekin... Read More
A 24-year-old female asked:
Dr. Jeffery VanYperen
Podiatry 13 years experience
Microtrauma: It sounds like your toenails are hitting the end of your shoe. This usually happens if the toe box is either too small (toe is pressed up against the... Read More
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