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Doctor insights on: Black Dot Under Fingernail

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I have a small black spot under my thumb fingernail, what is it?

I have a small black spot under my thumb fingernail, what is it?

Have it evaluated: Have it evaluated. It is often nothing but it may be a more serious condition such as a melanoma.

Fingernails (Definition)

Fingernails are the hard coverings at the end of fingertips. Nails are made out of a protein called keratin. They function to protect the fingertip and to increase sensitivity of touch. Good hand hygiene and nail care is important to prevent bacterial ...Read more


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Is melanoma common at 26 male on leg? Also would melanoma come of with a fingernail? My reason is my friend scatched a black spot on leg.

Is melanoma common at 26 male on leg? Also would melanoma come of with a fingernail? My reason is my friend scatched a black spot on leg.

No: Melanoma is not common in a 26 year old and it would not come off from a simple scratch. If you still have a dark mole/spot you are concerned about please see your primary care doctor. Best wishes.

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Could melanoma be picked off with fingernail? My friend is 27 and he pick a 3mm black spot on leg. He has panic attacks. Was it a melanoma?

Could melanoma be picked off with fingernail? My friend is 27 and he pick a 3mm black spot on leg. He has panic attacks. Was it a melanoma?

Unlikely.: If the lesion really did come off simply by picking at it, it was unlikely to be a melanoma; but no way to know for sure without sending it to a pathologist. If there is anything left on the skin, he would be prudent to see a dermatologist to find out exactly what it is.

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Please help! I have a floating black dot in my vision?

Please help! I have a floating black dot in my vision?

Floaters: Sounds as if you have had a posterior vitreous detachment. This is a situation where the vitreous (jelly) of the eye detaches (not a retinal detachment), it then "crumples" up leaving dots, spots, strands of blurry vitreous; i.e. The "floater". When it pills away, it causes flashes. You should have an exam to ensure the incident did not tear the retina, which could lead to a retinal detachment.

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I have a tiny black dot inside of front tooth?

I have a tiny black dot inside of front tooth?

Unknown: The tiny black dot could be one of many things, from a stain to a cavity. Have your dentist evaluate it to make sure what it is and how to address your concern.

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What does a black dot on a mosquito bite mean?

What does a black dot on a mosquito bite mean?

Black Dot with Bite: The back dot in a mosquito bite could be the formation of a scab from a small amount of blood.

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Bug bite with black dot surounded by red what is it? Pics

Bug bite with black dot surounded by red what is it? Pics

Uncertain: Sometimes a spider bite can have that appearance. Can consider dermatologic eval to determine diagnosis and to formulate treatment plan if concerned. Take care.

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What kind of spider bite causes a black dot in the middle?

What kind of spider bite causes a black dot in the middle?

Many types of: Spiders could cause white necrotic tissue with a central black eschar.

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What kind of insect bite leaves a black dot in the middle?

? spider bite: A spider bite can, but there are many variables see your doctor.

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What does it mean when you have a black dot on your eardrum?

What does it mean when you have a black dot on your eardrum?

Black dot ear drum: Could be that there was bleeding and even perforation, pervious laser, or cholesteatoma or rare glomus or very old dried wax. Who saw the black dot? Would follow up with ENT.

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I have a little black dot on finger that hurts a little. What could this be?

I have a little black dot on finger that hurts a little. What could this be?

Any chance: You had mild trauma and developed a blood blister (which has turned black)? If concerned, can seek dermatologic eval to determine diagnosis and to formulate treatment plan.

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My son has a black dot on his finger tip? Not sure what it is. Should I be worried?

My son has a black dot on his finger tip? Not sure what it is. Should I be worried?

Observation: Children often get their fingertips pinched or traumatized, creating a blood blister beneath the skin. As the blood is being broken down during the healing process, these areas turn dark brown or black. In the absence of other symptoms, observation is usually recommended. New or progressive symptom should prompt an evaluation.

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White little thing inside of right cheek if I peal the white it's like a little black dot?

White little thing inside of right cheek if I peal the white it's like a little black dot?

Blood clot: The most common reason for such a presentation is from clenching/grinding and biting of the cheek at night. The dark spot is actually a small blood clot where you bit your cheek. Consider wearing a nightguard.

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I was stabbed with a pencil when I was a child, and the black dot in my skin hasn't gone away?

I was stabbed with a pencil when I was a child, and the black dot in my skin hasn't gone away?

Traumatic tattoo: The carbon graphite in the pencil has left behind a traumatic tattoo. It can lighten or fade with time but may leave behind a permanent tattoo. It can be removed surgically or with a laser.

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I have a small black dot on my upper back that hurts, I sweat a lot could it be because of that?

I have a small black dot on my upper back that hurts, I sweat a lot could it be because of that?

Not sure.: There are a # of possible causes. The best way to get an accurate diagnosis would be dermatological evaluation.

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I think my hubby may been bit by brown recluse. It is scaly and black dot in middle. Pls what do u think?

I think my hubby may been bit by brown recluse. It is scaly and black dot in middle. Pls what do u think?

Don't think it is.: Brown recluse spider bites are actually rather rare. Usually there is stinging sensation rather quickly and the area looks red and inflammed (not black dot). Within a few hours, there is usually severe pain, and area becomes more inflammed and thick. Within 24 hrs, it becomes a big blister. Clean area with cool water and soap, apply ice pack to area, keep at rest. If above changes occur, see doc.

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We just got back from Costa Rica and we have mesquito looking bites that itch but some have a black dot in the middle?

We just got back from Costa Rica and we have mesquito looking bites that itch but some have a black dot in the middle?

Lyme disease?: Or other mosquito borne infections are known to occur. Please consult a doctor for a specific diagnosis and treatment

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