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Hollywood, FL
A 18-year-old male asked:

help my big toe nail has been discolored for about 6 months now. at first it was reddish blue and now it's blackish bluish and a little green now.

2 doctor answers4 doctors weighed in
Dr. Gebrehana Zebro (formerly Woldegiorgis)
Internal Medicine 32 years experience
Fungal infection: It looks like you have fungal infection of the toenail. It requires long term (couple of months )of antifungal treatment since it is tough for the antifungal medicine to penetrate and destroy the microbe. In any case i advise you to see your pcp, he /she may take some sample or treat you empirically.
Dr. Heidi Fowler
Psychiatry 25 years experience
Agree w Dr. Zebro. Can also see a podiatrist for this (or even dermatology).
Aug 9, 2013
Dr. Aaron Lewis
General Surgery 20 years experience
Hematoma: It sounds like a subungual hematoma . This happens usually from injury from injury to toe. Reddish blue is most likely active bleeding and black is old. The green is concerning. It should be evaluated for healing/infection. There are some bacteria that turn things green so you should see a podiatrist to evaluate. Healing bruises also turn many colors. The bruise has to grow out.

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Similar questions

Arlington Heights, IL
A 23-year-old female asked:

Are there any potential complications you could have from tearing off a toe nail?

3 doctor answers7 doctors weighed in
Dr. David Yan
Dr. David Yan answered
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Maybe: After having a nail (finger or toe) removed or torn off, you need to know the status of the underlying nail bed. If the nail bed has been badly damaged or has not been repaired well, the growing nail may lift off as it grows out.
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What does it mean if my big toe nail is turn dark and getting very hard?

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Possible Fungus: This may be a sign that you have a fungus infection of the toenail (onychomycosis). You should have it checked by a dermatologist.
A 38-year-old member asked:

I hit my big toe and half of the nail turned black. I peeled it off because it was hurting me. What do I do?

3 doctor answers5 doctors weighed in
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Treat as wound: Treat the open wound as you would a cut with neosporin and cover to protect it. Then wait for the toenail to slowly grow back out.
A 33-year-old member asked:

A drawer fell on my big toe and now underneath the toe nail is blackish blueish, what should I do?

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Dr. Ally-Khan Somani
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It depends: What you describe is a black toenail or subungal hematoma. This can be extremely painful and there can be pressure under the nail from continued bleeding. Most of the time the pain and throbbing improves with rest & ice. The discoloration improves with time as the blood stained nail grows out. However, if the pressure/pain continues or gets worse the hematoma must be drained by a doctor.
United Kingdom (Great Britain)
A 31-year-old male asked:

My husband has a toe nail that is rotten & black & the nail is coming off , what could be the cause ?

3 doctor answers4 doctors weighed in
Dr. John Cheng
Family Medicine 26 years experience
Toenail: If he is an avid runner we see this often due to the recurring trauma.He may also have a fungal infection. He should be evaluated to make sure it is not an internal issue as well.

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Last updated Jan 27, 2015
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