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Slide show
Slide show: How to trim thickened toenails
By Mayo Clinic staff
Thickened toenails: What causes them?
Your toenails can thicken for many reasons. These include an injury; skin conditions, such as psoriasis; tight or poorly fitting shoes; and fungal infections — as shown in this picture.
Among these, a fungal nail infection — onychomycosis (on-i-ko-mi-KO-sis) — is the most common cause of thickened toenails.
Next slide- Habif TP. Nail disorders. In: Habif TP. Clinical Dermatology: A Color Guide to Diagnosis and Therapy. 4th ed. Philadelphia, Pa.: Mosby; 2004. http://www.mdconsult.com/das/book/body/136945492-5/0/1195/192.html?tocnode=51442896&fromURL=192.html#4-u1.0-B0-323-01319-8..50027-3_3049. Accessed May 12, 2009.
- Nail problems. American Podiatric Medical Association. http://www.apma.org/MainMenu/Foot-Health/FootHealthBrochures/GeneralFootHealthBrochures/NailProblems.aspx. Accessed May 12, 2009.
