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Doctor insights on: Why Is My Toenail Grey

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Why do my toenails look grey?

Why do my toenails look grey?

Gray Nails: One possible cause of blue-gray nail discoloration is using the drug minocycline. This broad-spectrum antibiotic has been found to turn nails a light blue-gray color. However, there are many other causes of nail discoloration as well, including fungal infection, chronic diseases and the use of various medications. Contact your doctor to get an accurate diagnosis. ...Read more

Dr. Arnold Beresh
340 doctors shared insights

Toenails (Definition)

Toenails are the hard coverings at the end of the toes. Nails are made out of a protein called keratin. They function to protect the end of the toe and to increase sensitivity of touch. Good nail care is important to prevent ...Read more


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Why are my toenails dark grey?

Why are my toenails dark grey?

Could be fungus: It could be a fungal infection in the toenails. However, without seeing the toenails it is difficult to diagnose. I recommend you ask a podiatrist or dermatologist to examine the toenails. ...Read more

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Why are my husbands toenails a blueish grey color, he is not on any meds.

Why are my husbands toenails a blueish grey color, he is not on any meds.

Nail color: The blue gray color of his nails may be an indicator of poor circulation to his toes. Check with your doctor as to the status of your husbands circulation. ...Read more

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My toenail has turned grey but no pain?

Discolored toenail: You should see a dermatologist. The doctor will evaluate the type of coloration. Is it related to a medicine that you take (usually several nails). Is it a surface pigment from socks that rub with a shoe on only one toe? Is it a sport injury such as joggers toe with subtle bruising, or is it a pigmented streak underneath the nail that can be a serious problem. Please see your doctor right away. ...Read more

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My toenail colour turns grey.. What should i do ?

My toenail colour turns grey.. What should i do ?

Fungal, Damage.: More than likely grey toenails are a consequence of either a fungal infection (microscopic mushroom) or the result of trauma to the nail (air under the nail). To remove all doubt have your toe examined by a specialist familiar with toenail infections and trauma. ...Read more

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I have a toenail that is going grey - what's wrong?

I have a toenail that is going grey - what's wrong?

All flannel aside.: Although there could be quite a few reasons for the toe to change to a grey color, I find that it happens when the nail becomes separated from the nail bed. Air gets under the nail and a grey or grey white color is seen. To remove all doubt, you need to consult with a specialist. ...Read more

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I have a grey mark on my toenail, what does it mean?

I have a grey mark on my toenail, what does it mean?

Need more info: There are a few possibilities. It could be blood under the nail from trauma or a foreign body like a splinter. Please consult with your family physician. ...Read more

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I have a toenail that was painful nd dark gray colored, i looked under it and discovered it wasnt attached to the nailbed and was brown, what do i do?

I have a toenail that was painful nd dark gray colored, i looked under it and discovered it wasnt attached to the nailbed and was brown, what do i do?

Truama or fungal nai: Discoloration may be due to fungal nail changes causing excessive sublingual debris vs trauma induced. For example certain activities may cause bleeding under the nail or dry blood. If in the tip and drains out it causes automatic desertion of the nail. If no sorrow ding redness or swelling it's not urgent but should be looked at. Likely cause usually fungal nail or trauma ...Read more

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My toenails are a grey black what does it mean and touching the toenails hurt?

My toenails are a grey black what does it mean  and touching the toenails hurt?

Possible hematoma: You may have an injury under the toenail which is causing the pain but has also created a blood blister (hematoma) under the nail plate. If the nail isn't already loose, you can see a podiatrist who could help drain the nail and/or avulse (remove) it safely as well as examined for an injury. ...Read more

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My toenails are a grey black what does it mean and touching the toenails hurt i also have light streaks down my index finger?

Toenails: You don't mention if there is any thickness associated with the discoloration. Just on what you state , it may be a fungal infection. But there are other causes of discoloration and sensitivity. Seek the help of a podiatrist - you will be glad you did . Good luck ! ...Read more

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My toenail is dark gray and it feels like a aching tooth. It's not black like a fungus ?

My toenail is dark gray and it feels like a aching tooth. It's not black like a fungus ?

Push'in too hard.: Nothing says aching like pressure, especially in the toenail area. The solution is to isolate the cause of the pressure and relieve it. The amount of discomfort it is causing, will dictate the level of treatment. It is hard it evaluate the condition without actually seeing and touching it, but my guess is the nail might need an x-ray, to check for bone issues, before lifting the nail gently off. ...Read more

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My foot was run over by a car abt 7 days ago. Just yesterday my big toenail turned grey/purple and is lifting on the side. Is there anything I can do?

My foot was run over by a car abt 7 days ago. Just yesterday my big toenail turned grey/purple and is lifting on the side. Is there anything I can do?

See a podiatrist: You may need the nail removed if there is significant bleeding under the nail and/or a laceration to the nail bed. You might need an xray to see if there is a fracture. ...Read more

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My left big toe nail is a gray color and there's a darker line right at the end of my toenail before you get to the white part. There's no pain either?

My left big toe nail is a gray color and there's a darker line right at the end of my toenail before you get to the white part. There's no pain either?

Loose nail...: I can't be sure, but it sounds as though the nail is loosely attached to the bed or not attached at all. To remove all doubt, have your toe evaluated by a specialist. ...Read more

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I cut my toenail and discovered that there is a grey swollen bubble and a very sore and tender red flap of skin which wasnt a result of the cutting?

I cut my toenail and discovered that there is a grey swollen bubble and a very sore and tender red flap of skin  which wasnt a result of the cutting?

How's that described: I've examined a lot of toes in my days, but I never heard the "grey swollen bubble" description before. The sore and tender red flap of skin sounds like partially epithelialized granulation tissue. This is probably from the nail irritating the skin at the nail border. This is easy to rectify by an experienced foot specialist. There is no sense in suffering, see a specialist. ...Read more

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Trimmed toenails-noticed dark grey raised spot next to big toenail-slight pain, think it was ingrown nail. Trimmed off spot of skin, it bled a bit, blood went deep, and a tiny bit of clear liquid (pus?). Cleaned w/isop. alcohol + bandaid. Infected?

Trimmed toenails-noticed dark grey raised spot next to big toenail-slight pain, think it was ingrown nail. Trimmed off spot of skin, it bled a bit, blood went deep, and a tiny bit of clear liquid (pus?). Cleaned w/isop. alcohol + bandaid. Infected?

Probably: It does sound like an ingrown toenail, which usually does involve infection. The corner of the nail grows into the skin edge and burrows in causing infection. If it is mild, you can sometimes keep the nail edge elevated out of the skin and it can grow past the area. If that does not work, probably would be good to be seen. ...Read more

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My girlfriend complains about her feet being cold constantly so when i looked at her foot portion of the bottom was gray what does this mean?

My girlfriend complains about her feet being cold constantly so when i looked at her foot portion of the bottom was gray what does this mean?

Possible Raynaud's: Which is a vasospasm of blood vessels in cold weather, sometimes can be stress related. However, since we can't see the foot, i would recommend a doc check it out in person. ...Read more

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My husband has a grey dot on his foot it does not hurt or itch or peel he started to grow another one it coming from the inside of his foot.

Wart?: You may consider it being a plantar wart which often look gray and can increase in size without pain or itching. If he's growing another one, he may be reinfecting himself as it is caused by a virus. You can try over the counter wart removal products like salicylic acid or bichloracetic acid or self-freezing kits. Or you can have your doctor look at it and possibly freeze it with liquid nitrogen ...Read more

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What is a black and gray toe nail ?

What is a black and gray toe nail ?

Needs to be : Seen in person. It could be something benign like a bruise or blood under the nail, it could be fungus, though something like subungual melanoma needs to be ruled out. Since we can't see it, i suggest you have it looked at by doctor. ...Read more

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How can I treat a grey area that has appeared on my big toe nail?

How can I treat a grey area that has appeared on my big toe nail?

Depends: The greay area could actually be blood, or it could be a fungus.
Best to see a podiatrist for diagnosis & treatment. ...Read more

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Inbetween , y left middle and "ring" tow are 2 grey looking "blisters" they seemed to grow over night. Assuming athletes foot? Hurts to stand on foot

Inbetween , y left middle and "ring" tow are 2 grey looking "blisters"  they seemed to grow over night. Assuming athletes foot? Hurts to stand on foot

Probably: Most likely you do have an athlete's foot infection which is a fungal infection, however, you have a superimposed bacterial infection which could develop pus and must be treated with antibiotics, especially if you have diabetes. You should have it checked. ...Read more

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My two big toe nails have changing grey color, one is horizontally and the another is on the side. Is it normal or something serious to fear...

My two big toe nails have changing grey color, one is horizontally and the another is on the side. Is it normal or something serious to fear...

What, me worry.....: Unless the nail change is due to trauma, which is unlikely, it is not normal. The only thing needed to fear is, that if you do not start early treatment, the condition could become more difficult to cure. It is more than likely some sort of an infection that can be verified by simple laboratory testing. If required a medication can start you on your way to resolution. ...Read more

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The top of my mom foot is swollen and has bump on it. She cannot move her toes and it is a kinda gray color. It hurts to touch or something touching.

The top of my mom foot is swollen and has bump on it. She cannot move her toes and it is a kinda gray color. It hurts to touch or something touching.

See doctor: The symptoms you described warrant an in-person evaluation of the lesion. If she is diabetic or has peripheral vascular disease, it could be serious. See doctor or go to an emergency room of a hospital. ...Read more

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Why is my big toe nail gray colour is it to with my anxiety im takeing beta blockers?

Why is my big toe nail gray colour is it to with my anxiety im takeing beta blockers?

Gray toenail: This should have nothing to do with beta blockers. Did you injure the toenail? ...Read more

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My toe nails got grey stripes, its from deep beneath. Can this be due to wearing tight shoes?

Stripes: If all the nails have this it is probably not serious. If one nail has it, it might need to be looked at. Many medical conditions effect the toenails so i would need your medical history to see if anything else is causing this problem. ...Read more

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I got a bleach burn on the top of my foot 2 nights ago, it is red swollen and has spots where it's silver/gray. What can I do? Should i go to hospital

I got a bleach burn on the top of my foot 2 nights ago, it is red swollen and has spots where it's silver/gray. What can I do? Should i go to hospital

Yes, see the doc!: Based on your description, it sounds like the burn you have is deep and is exposing the underlying skin. The biggest risk you face at this point is infection. It may explain the redness. Without proper treatment, this can worsen. Go to the hospital! ...Read more