Nail Fungus
Nail Fungus
Table of Contents
What is Nail Fungus
Nail fungus (onychomycosis) is a common condition that occurs when fungi infect your fingernails or toenails, often starting as a white or yellow spot under the tip of your nail. As the infection progresses, the fungus can cause discoloration, thickening, crumbling, and even detachment of the nail.
Fungal infections typically develop in warm, moist environments and are more common in toenails than fingernails due to increased exposure in sweaty shoes and socks. Without treatment, the infection can spread to other nails or surrounding skin.
What causes nail fungus?
Nail fungus can cause visible and sometimes painful symptoms, including:
Yellow, brown, or white discoloration
Thickened or brittle nails
Crumbly or ragged edges
Nail distortion or shape changes
Separation of the nail from the nail bed
Mild odor coming from the affected nail
If left untreated, the infection can worsen and become harder to treat. In severe cases, it may even lead to permanent nail damage or secondary bacterial infections.
Toetal Podiatry uses advanced in-office diagnostic tools, including microscopy and lab tests, to confirm fungal infections and determine the best course of treatment.
What does nail fungus look like?
Symptoms may develop slowly and include:
Yellow, white, or brown discoloration of the nail
Thickened or misshapen nails
Brittle, crumbly, or ragged edges
Foul odor from the nail
Nail lifting off the nail bed (onycholysis)
Itching or redness around the nail
As the infection progresses, nails may become painful and difficult to trim, sometimes making walking uncomfortable.
How is nail fungus diagnosed?
Toetal Podiatry offers in-office diagnostic tools to confirm fungal infections, such as:
Nail scrapings for lab analysis
Microscopic examination or fungal culture
Nail biopsy in rare cases to rule out psoriasis or trauma
Early diagnosis ensures faster and more effective treatment.
Can nail fungus return?
Yes. Even after successful treatment, reinfection is common if preventive measures aren’t taken. You can reduce recurrence by:
Keeping feet clean and dry
Wearing breathable shoes and moisture-wicking socks
Avoiding barefoot walking in shared areas
Regularly disinfecting shoes and nail tools
Not sharing clippers or nail polish
Getting routine foot checks with your podiatrist
FAQs about Nail Fungus
Q: Is nail fungus painful?
A: It usually starts without pain, but thickened or distorted nails can become uncomfortable or cause pressure in shoes over time.
Q: Can I wear nail polish with a fungal infection?
A: It’s not recommended — polish can trap moisture and make the infection worse. Medicated polishes are a better alternative.
Q: How long does treatment take?
A: Nail fungus is slow to heal — it can take 3–6 months or longer to see full results, as new healthy nail grows in.
Q: Will the nail go back to normal?
A: Often yes, but in some severe or long-term cases, nail shape may remain altered even after clearing the fungus.
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