Toenail getting thick and peeling? Is it fungus?

 Toenail getting thick and peeling? Is it fungus?

The person I'm posting this for said it started a couple of years back as the big toe looked more cloudy in certain parts, but now it's getting worse. see the pic links below. It's kind of thick and peeling. She's been under a lot of stress lately also, so i don't know if that contributed to the worsening over the last week. also, she's in her mid to late 50s and stands a lot in her job. That's all I have fore now…is it fungus or some other type of nail disease? any info's helpful. thanks!

http://tinypic.com/r/mcglmp/3
http://tinypic.com/r/xm1h15/3
http://tinypic.com/r/30vgdq1/3

Toenail getting thick and peeling? Is it fungus?

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