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The response to the question below was authored by Marc Mitnick DPM

Black spot under big toenails

by Becky
(Temecula, CA)


I have a black spot under my toenail that I noticed about 3 months ago after removing nail polish that I had for probably about 4 months. It started out like a perfect round circle and it does seem to be growing with my nail. It now looks like the black circle is almost seperating and looks move ovalish and spotted. I noticed my left big toe now has a light purple circle. I saw my General Dr. today and she gave me a referral to a Dermatologist and said it could be melanoma...I'm kind of freaking out and would like to get feedback prior to my Derm Appt. since I likely won't be able to get in for 1-2 weeks.


Hi Becky,
Because the growth is not growing forward there is always the concern about the possibility of melanoma, so the nail has to be checked out. But more often than not the discoloration can also be due to an irritation on the nail bed under the nail.
So do the right thing and keep your appointment with the dermatologist but if you do not want to wait up to 2 weeks, see if you can get an earlier appointment with another dermatologist or a podiatrist.
Marc Mitnick DPM

Comments for Black spot under big toenails

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May 03, 2019
Rating
starstarstarstarstar 		Black spot under big toe
by: Sister

Hi,
I'm just seeing this site after checking around to see if anyone else has this. It's only been two days and I noticed it's here and apparently not leaving after a nice long shower, which now has me concerned. I do have a podiatrist appointment soon but is this to be alarming to me whereas I need to move my appointment up? Advice please and thanks in advance.
Jul 25, 2015
Rating
starstarstarstarstar 		Diagnosis
by: Anonymous

I have similar. had it for about a month. Bit bigger, looks like a bloody blob with a big bruise type smudge underneath. Did you find out what it was? I'm ringing my doctor on Monday :S
Aug 06, 2013
Rating
starstarstarstarstar 		What was it?
by: Anonymous

Did you ever find out what it was??
May 05, 2012
Rating
starstarstarstarstar 		Similar spots/Melanoma history
by: Felyne

Hi there, I have the same! About 4 times bigger tho. I just came from a trip in Nepal and have had a queasy tummy since then. Also during my tummy unease i noticed my toenails changing...i read an article this morning that this may be due to the stomach infection? What is your advice? Also 1 year ago i had melanoma removed from my lower left leg. Should i be concerned? Or do i know the answer...(Which is ...see a doctor) Would appreciate the feedback.


Hi Felyne,

With a personal history of melanoma, you are certainly at a greater risk for developing a second melanoma. YES, a visit to a doctor is mandatory, if for no other reason, peace of mind.

Marc Mitnick DPM

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Arthritis Foundation

University of Rochester Medical Center

Harvard Health

Drugs.com

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Penn State Medical Center

National Institutes of Health

Columbia University Department of Rehabilitation

ScienceDirect

Stanford Health Care

Illinois Bone and Joint Institute

Mount Sinai Hospital

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University of Florida Health

American Family Physician

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If you happen to live in the New York - New Jersey area and would like to visit our office

Dr. Marc Mitnick

151 Summit Ave.
Summit, NJ 07901
908-522-0761


To make an appointment online or for directions to our office click Dr. Marc Mitnick.

DISCLAIMER: The purpose of this site is purely informational in nature. It is not intended to diagnose, treat or cure any medical condition. This information is not a substitute for advice from a medical professional. Please consult your healthcare provider for accurate diagnosis and treatment. The information presented here may be subject to errors and omissions.


SITE LAST UPDATED: MAY 2026




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Fla
A well organized site containing much information written in a manner that the average reader can comprehend.

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Ontario, Canada
I found your website and articles most interesting.

Andrew

Fla.
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Judy

(location unknown)
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New York
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Memphis, TN
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Scotland
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J. Simmons

(location unknown)
Dear Dr. Mitnick, The orthotics arrived four days ago and I slipped them into my shoes immediately. I was skeptical as to the usefulness of the item, they really didn't look very exotic. I have to say though, after using them for just four days, I have experienced grand relief from my foot pain. Even the very first day, I was able to do a lot of work while on my feet with at least a 75% reduction of pain. It has only gotten better every day, and I go nowhere without my shoes with the orthotics. I had been experiencing extreme heel and sole pain for about six months and had to take extended breaks off my feet many times a day as well as regular doses of Ibuprofen. Since getting the orthotics, my life has returned to normal and I feel good again. Just wanted to say thanks for the recommendation for a very effective item, I had no idea what a change this item could affect.

Yours truly,

J.C. Forbes

Tennessee
Thanks for the Response, you hit it on the head.

Steve

Redondo Beach, CA
Thank you for your time and expertise in answering my question…..

LH

(location unknown)
First, thanks for putting together this website. Its the most informative site I have found dealing with foot problems. Last June I started having pain and swelling at …….

Joe

(location unknown)
First of all, thank you for having all this useful information available in one place. I've been through most of your website and based on my research, pain and evaluations I think I've narrowed things down quite a bit.

Pete M.

(location unknown)
Thank you for the best site I have found when researching foot pain.

Glenda B.

Madison, Alabama
Thanks for replying so quickly. I was a bit concerned. I think your website is great, and chock full of info.....

Carol

Denison, TX
Dr. Marc, Thank you so much for your reply which seemed to be right on. I have researched many sites but you put me on the right path to the possible answer. My foot pain may not rule the rest of my life after all! I believe I'll make a sign that reads, "THE END IS NEAR!" Thanks Very Much,

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West lafayette, IN
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Tampa, Florida 33624
Hi. This is a great site! I'm a healthy middle aged woman who is in good health, but.....

Kelly

Texas
Just a wee word of thanks for your wonderful website...It is a terrific service...Thank you for providing your knowledge and help...With highest regards, m ebeling

Michael D. Ebeling

Tampa, Florida 33624

Thanks for a most interesting website, which has helped a lot.

Steve

UK

Dear Dr.Mitnick

I usually do my research on the Mayo clinic website. I think your website is the most informative site I have found when researching foot pain.

I thank you for putting together this incredible website.

Regards,

Dragica W.

Edmonton,Canada

....I have been told that it is not hard enough to be cut off. Please help, I am not sure what to do now! THANKS FOR A WONDERFUL AND VERY HELPFUL SITE!

Roxy

South Africa

You have an unusually clear, informative and well-written website for laypersons. Thank you for that.

Matthew W.

Mansfield Ctr, CT

First, I'd like to thank you for all the information that you provide on your website and the opportunity to write to you.

Steve

Placentia, California

First, I want to let you know that you have the best web site I've found related to foot issues. (The only thing I had difficulty finding was the "ask a question" page.)

Unknown

Unknown location

I received the orthotics Monday afternoon and began wearing them Tuesday. After two days I would say that I have noticed a huge improvement in the discomfort I have been experiencing. My foot feels better than it has in months.

Ric J.

Unknown location

I greatly admire someone like you who would donate and dedicate so much time and effort to helping strangers with no compensation. Truly, it is uncommonly kind. And your site is so intelligently arranged.

Ron R.

Pacific Grove, CA

I used to work for a podiatrist (front desk) back during summers in college years ago, so I know the benefits of good care. Again, I want to thank you for an EXCELLENT website. It was so great to get to your site (top of google search) and actually find all the answers I needed EASILY and QUICKLY! Clearly you put a ton of work into it and I really appreciate it.

All the best,

Victoria

Alameda, California

By the way, millions of websites could use yours as a guideline on how to organize information and make the site user-friendly. Kudos to you!

Anonymous

Thank you for your very interesting and informative site!

Anonymous



Hi. I come to your site often looking for information. It is really informative and I appreciate it very much. I have RA and have been having considerable amount of foot pain...... Dee RN

Thanks very much for the wonderful informative site.

Catherine

New Zealand

Thank You for my answer! I have been schedule for a bone density scan, allingment, and I am in the process of getting orthotics made, and checking out the natural remedies. Thank again! What a great web site!

Sincerely

Josette

Yes I want both pair of orthotics. You don't have an option of ordering 2 at one time so I had to place the order twice. Thanks. My husband likes these and wants to put them in all of his shoes. (referring to Superstep orthotics)

Cindy H.

Arizona
I searched the internet everywhere for a clear description and illustration of my symptoms/problem. https://www.foot-pain-explained.com/ was where I ended my search with answers. If I lived in Jersey (left 30 years ago) and didn't live in Florida I would definetly make an appointment with Dr. Mitnick.

Thanks, Kathy

Florida
1st of all THANKS A LOT for your great site......

Anna

Poland
Thank you so much for your response. I will let you know how I am doing if you would like. Your website is awesome!

M P

South Carolina
Hello! I want to thank you for such an informative website! I found you based on my ankle pain search and am happy to realize that there may be a relatively simple cause and solution....

Natalie

unknown location


...Thanks for your fantastic service.

Gary

Arlington, VA


Thank you so very much, that would be much appreciated. I love those insoles, by the way. (referring to Superstep orthotics)

Kelly W.

San Clemente, CA


Dr Marc is fantastic...He seems to know exactly what you are feeling with the problems you are having. I wish he was in my home town so I could go to him with my problems!!!!!!!!!!!!!

Pam

location unknown


Great insights! Thanks Doc, you're the best.

Glen

location unknown


I have been experiencing foot pain of various sorts and am working to figure out what it is. I found this site and can only say BRAVO!! What an excellent site! The time it must have taken to put all this together must've been a daunting task! I am sure it has helped so many people. Thank you so very much for doing this.

Bre

location unknown


Dr. Mitnick, Thank you so much for your reply. I did let my physician know and they took an x-ray - all is well! Also, thank you for providing this wonderful site, it is very helpful with lots of useful information! I appreciate your gift of time! God bless.

anonymous



Dr. Mitnick, Thank you, you were 100% correct. The pain finally brought me to the ER. I spent 8 days in the hospital. The Doppler you spoke of was able to show that there was no pulse in that foot. This was an arterial clot that split and traveled throughout my leg. My leg was almost amputated. I am in rough shape but have all my parts intact!! You certainly know what you are talking about. Thank you for taking the time to answer. Yours Truly!

anonymous



Staying at home after hallux surgery I spend quite a lot of time seaching info useful for avoiding problems which might come back. Today I found your site and I am .... delighted it happened. It's one of the best site I found last days.

Anna

Poland



Thanks for taking time to read and answer so many questions. It is truly a public service!

Esh

Seattle, WA


I just wanted to say that I am very greatful for this website!!

Bonnie

location unknown



Also, and importantly, just want to praise this web site. Thorough and thoughtfully presented, it certainly must be of considerable assistance to anyone with a foot problem. Terrific -- and very interesting.I trust the address comes up easily for those seeking information.

Bill

New Jersey



Thanks so much for answering my question. You've been more help to me than my own Dr. has been lately. Thanks again....I hope to be able to walk without pain someday.

Debbie

location unknown



Wow, that is exactly the information needed!!! thank you thank you thank you!!! I appreciate this help so very much from Marc Mitnick DPM. Excellent information and help to improve One's life.

Chrissy

location unknown



Thanks so much for this website Dr. Marc! It is so nice that you have this ask the doctor feature..I'm sure I'ts been helpful for alot of people. I will try what you suggested and see if it helps...thanks again!

Tracy

Evansville, IA



Dear Marc

I just want to say thank you for the quick response and the good info. I find it amazing and a super nice thing that you do here by answering medical questions at no charge.

Russ W.

location unknown



Your website is full of a lot of helpful information, and I am very impressed with the time in which you responded to my post. Thank you again for your time and consideration in your response.

-Sunny.

location unknown



Thank you very much for the information, I will consider it. Excellent web site.

Jackie

San Diego, CA



Dr. Mitnick, Just want to say thank you so very much for your quick response and very informative reply! After reading what you had to say, I called the doctor's office and was able to get in and see him the same day as my injury. Toe was x-rayed and luckily, it is not broken or fractured. Very badly bruised and will probably lose the toe nail. And although my toe and toe nail are still very black and blue and very sore, they ARE both starting to feel a little better. So again, thank you! I am so very happy that I came across your website. The service you provide is outstanding and immeasurable!

Rivi,

Albany, NY



Thank you so much for all of your advice. In searching the web for people dealing with this same issue i can tell you that you are a Knight In shining Armor! If I lived in Jersey I would gladly be your Spokesperson. Hopefully next time you hear from me it will be good news. God Bless,

Jill S.

location unknown



THANK YOU SO VERY MUCH FOR YOUR TIME AND EFFORTS, YOU ARE SO VERY APPRECIATED. THANK YOU FOR ALL YOU DO.

Jackie

Whichita, KS



thanks again, this site is very helpful.

mark

Boston, MA



Like others have stated...This site is amazing and I am so thankful that it was created.

....Keep up what your doing. Your a life saver.

Michelle

Colorado



Thanks again for the information provided on your site. It's easy for non-medical folk to understand your writing, and helps provide better communication between patient and doctor.

annielou

Colorado

Wonderful advice

by: Anonymous

This is the best site for foot problem info.

Thank you for this information. This description fits my pain and inflammation behind my 2nd toe perfectly.

by: Max

location unknown
Again, I really appreciate that you responded to my inquiry, and that your mention of Parkinson's helped me to find my way to a diagnosis of this difficult to diagnose disease. Most patients see on average 16 doctors before they are diagnosed. I hope that you can help other people that ask for your expertise in the future.

Barb D.

Canada
I just wanted to say that I am very greatful for this website!! I have had a fusion in my rt foot and am finally getting a little bit better......

Bonnie

location unknown
Again, Thank you from the bottom of my heart for taking the time to answer my question....your an angel!

Nancie

Wisconsin
Thank you for your response. You have provided some great insight (to my question)....

Julie

location unknown
Thank-you so very much for responding so quickly and in such detail to my question!! I will give my surgeon a call today!! This website is terrific!!!! Thank-you again!

Renae

North Carolina
Many Thanks Dr Marc!
Thank you for your response. It sounds like a good plan to me. He did not cut the wart out first ...

KG

location unknown

Thanks again doc for having this website and we STILL need qualified Podiatrists in beautiful sunny Tampa Bay (Bradenton) Florida.

Bessie Mae

Florida
Dear Dr. Mitnick, Thank you so very much for taking your time to answer my question. You have greatly relieved my anxiety related to the continual tingly I feel in my feet. I will share your response with my podiatrist next week. God bless you for having this question and answer page on your website! Most gratefully,

Lynne T.

location unknown
Your webpage is excellent, I commend you on sharing your knowledge to the public.

Robert

New Jersey


Thank you. you were more detailed than what others have told me they finally called from the last xrays and my son is now in a cast for 2 weeks he did have a fracture that was not noticeable.

a mom

location unknown


I have read your website and I have to admit that I am amazed at all the information that is on here. I have learned more than the three years I have been going to several doctors that I have seen!!

Melody

Lenoir, NC


Thank you so much Doc for a quick and thorough response!

Rustam

Bellevue, WA


I cannot thank you enough for your response, opinion, and suggestions! I want you to know how much it means to me, and I'm sure everyone else who has ever asked you a question! I feel like you're a lifesaver and have empowered me to take a stronger role and stand up for myself and my feet!

Jodi

location unknown

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