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Featured Topics
- Acne
- Aldara (imiquimod) Cream 5% for Actinic Keratoses
- Aging Skin and Wrinkles
- Atopic Dermatitis
- Latisse for Beautiful Eyelashes
- Psoriasis
- Rosacea
- Skin Cancer
- Stelara for Psoriasis
Featured Doctors
Acne and Diet by Lisa Benest, M.D.
Acne Basics by Jeffrey Ellis, M.D.
Botox for Wrinkles by Helen Torok, M.D.
Cosmeceuticals by Nelson Lee Novick, M.D.
Eczema by Alan Menter, M.D.
Fractional Laser Resurfacing by Gerald Goldberg, M.D.
Hand Dermatitis by Walter Larsen, M.D.
Laser Hair Removal by Allan Wirtzer, M.D.
Micro dermabrasion by Edward Becker, M.D.
Mohs Surgery by Daniel M. Siegel, M.D.
Rosacea Care Tips by Todd Minars, M.D.
Skin Cancer Basal Cell Carcinoma (BCC) by Gerald Goldberg, M.D.
Skin Virtual Age Quiz by Jeffrey Dover, M.D., FRCPC
Spider Vein Removal by William Paronish, M.D.
Fungal Nail Infection (Onychomycosis)
Fungal infection of the toenails and fingernails is referred to as onychomycosis. It appears as white or yellowed nails that may be thickened and brittle. One or more nails may be involved, and different parts of a nail may be affected.
Toenails are the most vulnerable to fungal infection because shoes and socks trap moisture that promotes the growth of fungi.

If left untreated, onychomycosis can lead to permanent nail damage.
Onychomycosis is difficult to treat, and recurrence is common. Most antifungal creams and ointments are not every effective because they cannot penetrate the hard nail in sufficient concentration to kill the fungi. There are, however, some formulations specifically designed to penetrate the nail.


Before After
If the fungal infections have already reached the nail bed (the place where the nail starts growing), oral antifungal medications may be prescribed. These can reach the nail bed through the blood.
If a nail is badly damaged, nail removal may be recommended.
Follow these steps to prevent fungal infection:
- Practice good hygiene and keep hands and feet clean.
- Keep your skin dry, especially between the toes.
- Wear shower sandals in damp public places, such as swimming pools and locker rooms.
- Keep your nails trimmed and clean.
- Wear well-ventilated shoes, and change socks regularly, especially after exercise.
- Wear rubber gloves when washing dishes or doing other housework that could overexpose your hands to moisture.
- Sterilize any instruments you use on your nails before and after every use. This includes nail clippers and any instruments used in manicures or pedicures.
- Wash your hands after touching an infected nail.
Images courtesy of Gerald Goldberg, M.D.
© 2008 - 2009 Vivacare.
Last updated December 9, 2009.
This information is for general educational uses only. It may not apply to you and your specific medical needs. This information should not be used in place of a visit, call, consultation with or the advice of your physician or health care professional. Communicate promptly with your physician or other health care professional with any health-related questions or concerns.
Be sure to follow specific instructions given to you by your physician or health care professional.
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