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A black, purple, or brownish discoloration under or involving a toenail is frequently due to trauma to the toe nail, such as when something is dropped on the toe. The color results from a blood clot or bleeding under the nail, and may involve the entire nail or just a small portion of it. This can be very painful when the entire nail is involved, and may need medical attention to relieve the pressure caused by bleeding under the toenail.

Although it is very rare, a more serious cause of black toenails is malignant melanoma. Since early diagnosis and treatment of melanoma improves the chances for a good outcome, it is important that all black toenails be evaluated by a qualified foot and ankle surgeon to rule out this cause.

Other rare causes of black toenails include fungal infections, chronic ingrown nails, or health problems affecting the rest of the body.


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Chicago Office

Elgin Office

(847) 468-1994
1750 N. Randall Road, Suite 160, Elgin, IL 60123

Schaumburg Office

(847) 352-0200
Nantucket Square
1043 S. Roselle Road
Schaumburg, IL 60193

Crystal Lake Office

(815) 356-0500
185 Heritage Drive, Unit 3, Crystal Lake, IL 60014

Huntley Office

(815) 356-0500
Centegra Health Center, Professional Office Building 2, 10370 Haligus Rd, Suite 109, Huntley, IL 60142

Chicago Office

(773) 836-9900
Presence Center for Health Building
Harlem & Belmont

3115 N Harlem Ave, Suite 200, Chicago, IL 60634

 

 

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