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Doctor insights on: Black Dot Under Skin On Thumb

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My left thumb there's a tiny black spot at the bottom of the nail and cutical (skin).What can it be?

My left thumb there's a tiny black spot at the bottom of the nail and cutical (skin).What can it be?

It depends on size: If it is tiny, you can watch it for any further growth. Unless it is changing in size and color, it may not be anything. Keep an eye on it for 4-6 months and watch if it changes or not. ...Read more

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I have 3 tiny dots in a triangle shape on my hand about the size of a pen head. Each one has a black dot on the top. They hurt. Should I be worried?

I have 3 tiny dots in a triangle shape on my hand about the size of a pen head. Each one has a black dot on the top. They hurt. Should I be worried?

Tricky: Dermatologic conditions are difficult to evaluat wtihout seeing them. One possibility is an infection. If it is spreading that is a serious condition needing treatment. There are many other possibilities such as age spot, tumor, scabs, etc. ...Read more

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I have a pea size hard black spot on the back of my thumb.?

I have a pea size hard black spot on the back of my thumb.?

Evaluation: Hi, you need to see a dermatologist for evaluation of the lesion and possible biopsy. ...Read more

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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. ...Read more

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I have a tiny black spot under my nail left thumb, what can it be?

I have a tiny black spot under my nail left thumb, what can it be?

Subungual hematoma: A small amount of bleeding under the nail will leave a small black area - these usually grow out gradually over time as the nail grows. ...Read more

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Hi, I am noticing a change in my thumb nail since 1month, it has become beaded, flaky & today I see a black spot at bottom. What could be the reason?

Hi, I am noticing a change in my thumb nail since 1month, it has become beaded, flaky & today I see a black spot at bottom. What could be the reason?

Sounds like a fungus: Infection, unless you have had an injury which you don't mention. Sometimes injuries are followed by fungus infections. If the black spot enlarges or it becomes painful, you should be seen. If not, it is usually not dangerous though unsightly. Certain lasers can cure such infections. Most topical treatments are not effective and oral treatments also not too effective and have side effects. ...Read more

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I noticed that I have a pea-sized black spot on my thumb and I am not sure what it is. It is slightly raised like a blister, but does not hurt.

See a physician.: It is very difficult to diagnose skin lesions without examining the patient my guess is. It is probably a small hematoma which is a collection of blood under the skin. ...Read more

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If you have a black dot come up on your skin, what does it mean?

Can't say - this: Warrants medical evaluation. Encourage you to see your dermatologist. ...Read more

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Black dot that looks like a mole, appeared after I burnt my skin in the kitchen. Is it actually a mole?

Black dot that looks like a mole, appeared after I burnt my skin in the kitchen. Is it actually a mole?

Might be a scar: Dermatologic eval would determine diagnosis and help formulate treatment plan if indicated. ...Read more

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I have a black dot on the corner of my eyelid. It’s on the skin and I have no clue what it is?

I have a black dot on the corner of my eyelid. It’s on the skin and I have no clue what it is?

See Dermatologist.: A new black dot on the skin is not to be taken lightly. Go see a Dermatologist for a definitive answer. ...Read more

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I also had a small black dot on my tongue. It was the size of a pin head. It's gone today. I don't smoke, drink, use drugs nor have I been ill.?

I also had a small black dot on my tongue. It was the size of a pin head. It's gone today. I don't smoke, drink, use drugs nor have I been ill.?

Hard to say: If you're not having any symptoms now, it's hard to say what may have caused your symptom. It could have been some trauma or something you ate/drank, or something that came into contact with your tongue. ...Read more

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Help, I have black dot on rim of penis head?

Help, I have black dot on rim of penis head?

Likely, just a varix: Likely, the black dot is just an harmless varix, which requires no Rx as long as being painless and no change in size over time. Of course, without a detailed Hx with sequence of event and a direct look, it's hard to come up an accurate Dx as wished. So, see Doc timely if still in doubt. Best wish. .. ...Read more

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What is a small skin growth under my arm pit with black dot inside?

What is a small skin growth under my arm pit with black dot inside?

Cyst?: This could be large blackhead from cyst. This is easily removable with minor in office procedure so that it does not recur. ...Read more

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I have a small black dot on the skin of my penis. Do I have cancer?

I have a small black dot on the skin of my penis. Do I have cancer?

Watch for two weeks: If it is not gone by two weeks, and it does not look like an ordinary benign pigmented lesion like you have elsewhere, then have it seen. The likelihood that this is cancer is very small, but it would need to be looked at. ...Read more