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Doctor insights on: Black Streaks

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Both big toenails discoloured, blue looking; right one particularly looks as though black streak in it. Slight pain but nothing major. What to do?

Both big toenails discoloured, blue looking; right one particularly looks as though black streak in it. Slight pain but nothing major. What to do?

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 end) or too large (foot is sliding around and the toe is hitting the end). This is very common in runners--it can lead to either thickening of the nail, or it may eventually turn black and fall off--a new nail will grow in within a year. ...Read more

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I have a black streak on my neck which looks like sharpie but it isn't. And I can just was it right off but it keeps appearing?

I have a black streak on my neck which looks like sharpie but it isn't. And I can just was it right off but it keeps appearing?

Location: Is it near a collar, a helmet strap, somewhere soil could accumulate? It's certainly something superficial ...Read more

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What is a black streak in middle of big toe?

What is a black streak in middle of big toe?

Is it under the nail: If such an streak is under the toe nail, it becomes more significant. Such a streak could be as benign as a bruise, but it can also be something that requires immediate medical attention. ...Read more

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Smoked weed for two years daily and recently got bronchitis, now my phlegm has black streaks in it? Help!

Smoked weed for two years daily and recently got bronchitis, now my phlegm has black streaks in it? Help!

Dual approach: Of course you want to have your pulmonary condition checked over and find out what the cause of the lback sputum. This would also be a good time to see a therapist and figure why you have needed to smoke weed. You are young and this could be a positive turning point for you. ...Read more

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My stool was light brown with black streaks in it. I really scared me cause I haven't seen that before. For the past few days I've been trying to eat right. So I don't know what's the cause. There was also a little blood after I wiped for the final time.

My stool was light brown with black streaks in it. I really scared me cause I haven't seen that before. For the past few days I've been trying to eat right. So I don't know what's the cause. There was also a little blood after I wiped for the final time.

Black streaks: The black streaks can be from some bleeding in the upper digestive system. Blood when wiping is usually from hemorrhoids, but with the black streaks as well you need to see a doctor for an exam as soon as possible. ...Read more

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Why do I have black streaks in my nasal discharge?

Why do I have black streaks in my nasal discharge?

Stuff you breathe?: Usually this can be due to inhalation of pollutants in the air such as dust, smoke, or other environmental pollutants.

Rarely certain serious fungal sinus infections in persons with a compromised immune system can cause black discharge from the nose (invasive fungal sinusitis). ...Read more

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I have a black streak under small toe of each foot and a black edge on one side of the toe next to it. Is this something to worry about?

I have a black streak under small toe of each foot and a black edge on one side of the toe next to it. Is this something to worry about?

Subungual Melanoma: Melanonychia is dark pigmentation of the nail. Melanonychia commonly presents as dark band arranged lengthwise along the nail known as longitudinal melanonychia (LM) or melanonychia striata. Causes include of melanonychia include subungual melanoma, physiologic longitudinal melanonychia, systemic disorders, trauma, inflammatory disorders, fungal infections, drugs, & benign melanocytic hyperplasia. ...Read more

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Black streaks in my mucus and tight lung feeling : (I'm 19 and smoked for 3-4 years?

Black streaks in my mucus and tight lung feeling : (I'm 19 and smoked for 3-4 years?

Stop smoking: The lungs are very delicate, used to extract oxygen from the air and transfer it to the blood. Filling them with soot is very harmful. 4 years of smoking isn't enough to result in cancer but within a few weeks if giving up smoking, the chest tightness and abnormal mucus should stop. ...Read more

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For the past 3-4 days I find a few dark grey or black streaks when I blow my nose. It doesn't happen always, But usually once a day. I am congested.?

For the past 3-4 days I find a few dark grey or black streaks when I blow my nose. It doesn't happen always, But usually once a day. I am congested.?

Possible: The colors of your snot only shows what you have been breathing in. If you're blowing your nose very often it may be that you have seasonal allergies. If you have a fever of 100.4 degrees F or higher then you may have an infection and might want to see a doctor. ...Read more

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Black streak in big toe and tenderness what could it be?

Black streak in big toe and tenderness what could it be?

Bruise: If it showed up recently it is likely a bruise under the nail caused by trauma especially if there is tenderness. There are other possibilities that are a lot less common but I recommend you see a podiatrist to have it looked it. ...Read more

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I am suffering from productive cough from past 2mnths it usually begns at night or in d morning wid black streaks in sputom. My chest xray is clear.

I am suffering from productive cough from past 2mnths it usually begns at night or in d morning wid black streaks in sputom. My chest xray is clear.

Cannot diagnose: You need to see a pulmonary specialist. Need more history and lung function studies. You may have problems with allergies, fungal exposure in your household and other problems of which you may not yet be aware. Go and get fully evaluated and hope this will be diagnosed and treated effectively soon. ...Read more

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I m suffering from severe attacks of productive cough from 6 months with black streaks in sputom. Chest xray is normal. Cough usually begins at night?

I m suffering from severe attacks of productive cough from 6 months with black streaks in sputom. Chest xray is normal. Cough usually begins at night?

Possibilities: I would be concerned about asthma and tuberculosis i. Your case. I would also want to know about your work and living circumstances to see if there are any exposures. Reflux could trigger cough at night. ...Read more

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I'm a non-smoker with chronic sinus infections that have no environmental cause. Why am I getting black streaks in my mucus?

I'm a non-smoker with chronic sinus infections that have no environmental cause. Why am I getting black streaks in my mucus?

From the sinus inf: Consult an allergist/immunologist as well as an ENT to find out the cause. The streaks in your mucus may be from old blood from the infection and possibly from a fungal sinusitis. ...Read more

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I found a black streak in my stool, not the whole stool, just streaks. Do I have bowel cancer?

I found a black streak in my stool, not the whole stool, just streaks. Do I have bowel cancer?

Bowel cancer?: It's doubtful at your age that you'd have a gastrointestinal cancer, but it's likely you have something that can be addressed by a gastroenterologist. Could be something simple, of course, but an exam is in order. ...Read more

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I'm having shortness of breath/ tightening in my chest. My inhaler isn't working as much. I cough up mucus with black streaks. Cough when can't breat?

I'm having shortness of breath/ tightening in my chest. My inhaler isn't working as much. I cough up mucus with black streaks. Cough when can't breat?

Mgt: If your inhaler is not as effective in controlling the cough, your respiratory plan needs to be adjusted. The black streaks may be dried blood or tar. If you are smoking, avoid all smoke exposure, including second hand smoke.
I would suggest a follow up with your PCP. ...Read more