Many: It may be the beginnings of a fungal toenail infection. There are many treatments, including topical solutions, oral medications, laser treatments, surgical removal, homeopathic remedies, etc. The most used treatment is oral Lamisil (terbinafine) tablets once daily for 90 days. See a podiatrist for what may be best for your specific needs and expectations.
Answered 5/9/2019
5.4k views
Fungus : It sounds like you have developed toe nail fungus.
Answered 1/1/2013
5.4k views
Surface stain: From the nail polish especially if it was a dark color
Answered 11/17/2014
3.5k views
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