Nail Fungus (Onychomycosis)

Condition in Detail, Prevention Tips, and Treatment Options for Nail Fungus

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Understanding Nail Fungus

Fungal infection, or onychomycosis, is a common foot health problem. A majority of sufferers don’t seek treatment, perhaps not even recognizing the existence of a problem. One reason that people may ignore the infection is that it can be present for years without causing pain. Its prevalence rises sharply among older adults. The disease, characterized by a change in a toenail’s color, is often considered nothing more than a mere blemish — ugly and embarrassing. It is apparently assumed that since white markings or a darkening of the nail are minor occurrences, the change represents something minor as well, even when the blemish spreads. In many cases, however, that change in color is the start of an aggravating disease that ultimately could take many months to control. It is an infection underneath the surface of the nail, which can also penetrate the nail. This disease can frequently be accompanied by a secondary bacterial and/or yeast infection in or around the nail plate.

What is Nail Fungus?

Onychomycosis is an infection of the bed and plate underlying the surface of the nail caused by various types of fungi commonly found in the environment. Fungi are simple parasitic plant organisms, such as molds and mildew, that lack chlorophyll and therefore do not require sunlight for growth. A group of fungi called dermatophytes easily attack the nail, thriving on keratin, the nail’s protein substance. When the tiny organisms take hold, the nail may become thicker, yellowish-brown or darker in color, and foul smelling. Debris may collect beneath the nail plate, white marks frequently appear on the nail plate, and the infection is capable of spreading to other toenails, the skin, or even fingernails. Other contributory factors may be a history of athlete’s foot, improper cleansing, anxiety and excessive perspiration.

How to Prevent Nail Fungus

Because fungi are everywhere (including the skin) they can be present months before they find opportunities to strike, and before signs of infection appear. By following certain precautions, including proper hygiene and regular inspection of the feet and toes, chances of the problem occurring can be significantly reduced. 

  • Regularly clean and dry feet to resist disease. Follow a strict regimen of washing the feet with soap and water.
  • Socks and hosiery should be changed daily. Shoes should also be changed out on a regular basis. 
  • Toenails should be stripped straight across so the nail doesn’t extend beyond the tip of your finger or toenails. 
  • Wear socks that are made of synthetic fiber to “wick” away moisture. Cotton and wool socks don’t “wick” away moisture as fast as synthetic fiber does. This can be helpful in denying a hospitable environment for the fungi to grow in.
Common Misconceptions of Nail Fungus

It is very unlikely that a few exposures to an unclean environment will cause a fungal infection. Walking barefoot once or twice in a public shower will not generally spread the infection. Similarly, it is also unlikely that a single visit to a pedicurist will cause the infection. Lengthy exposure to a contaminated environment is often required in order to contract the fungal infection although individuals may be more susceptible to fungal infections than others.

Do Artificial Nails Increase my Chances of Getting Toenail Fungus?

Yes. Moisture collecting underneath the surface of the toenail would ordinarily evaporate, passing through the porous structure of the nail. The presence of an artificial nail or polish impedes, or delay. evaporation.

Treatment for Nail Fungus

Depending on the nature and severity of your infection, treatment may vary. Most over-the-counter treatments are minimally effective at best, but almost none of them have produced a permanent treatment. The main reason for these poor results is that the fungal infection resides deep within the nail or nail bed, and the topical medications have great difficulty in penetrating to this depth. A fungus may work its way through the entire nail, penetrating both the nail plate and the nail bed. Podiatrist Dr. Burns at Arizona Foot Doctors offers penetrative nail fungus treatments to completely remove the fungal infection. Each patient case is unique, so consult with Dr. Burns to find the best treatment option for you. 

  • Tropical or oral medication and debridement (removal of diseased nail matter and debris). The newer oral antifungal medications are the most effective (75% effective). Common oral medications are Lamisil and Sporanox. A common tropical medication is Penlac Lacquer. 
  • Temporary removal of the infected nail. 
  • If medication doesn’t work, permanent removal of the nail may become necessary.
If we Decide Medication is the Best Route, What Should I Expect?

Oral and topical medicines should be taken for three months. It takes approximately nine months for the new, healthy nail to grow. Current studies show that for a very small percentage of the population there are some unwanted side effects with an oral antifungal, however, these are usually reversible when medication is terminated. Penlac Lacquer, a prescription medication, is generally less effective than the oral medications and is best used with a limited fungal infection. Penlac is applied approximately three times per week for several months. In some cases, surgical treatment may be required. 

Learn More

No situation is the same. Connect with Podiatrist Dr. Burns at Arizona Foot Doctors to learn about your condition and the best treatment option. Dr. Burns can correctly diagnose an infection, culture the infected nail(s), and form a suitable treatment plan.

Book Appointment

Sick of the pain? Inability to perform simple tasks? Book an appointment for your nail infection (onychomycosis), today. Dr. Burns is dedicated to your care, comfort, and pain relief. Book by calling (480) 661 7572 or by using our online booking tool.

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Are You Experiencing Nail Fungus?

We know how painful this condition may be. Don’t ignore the infection! Book an appointment with Podiatrist Steven Burns in Scottsdale, Arizona. Without proper treatment, your condition will worsen. 

Footcare Physicians of Scottsdale

Address: 9070 E. Desert Cove STE 104B,
Scottsdale, Arizona - 85260

Tel: 480-661-7572


You can schedule an appointment online with the button below, or by calling our Scottsdale, AZ podiatry office. For general questions about Footcare Physicians of Scottsdale, PLLC, Dr. Steven Burns, or Arizona Foot Doctors, please contact the office or email us at

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