Key Takeaways
- Toenail fungus (onychomycosis) is a common infection that causes nails to become thick, discolored, brittle, and sometimes painful.
- Early treatment is critical — fungal infections rarely resolve on their own and can spread to other nails or skin if left untreated.
- The best treatment for toenail fungus depends on severity and may include topical antifungal medication, oral antifungal medication, or advanced nail laser therapy.
- Laser therapy for toenail fungus is a precise, minimally invasive option that eliminates fungus without harming surrounding tissue.
- Northern Illinois Foot & Ankle Specialists (NIFAS) is a leading podiatry practice serving the greater Chicago area, with 16 conveniently located offices. Request an appointment online today to get started on lasting toenail fungus solutions.
What Is Toenail Fungus?
Toenail fungus, medically known as onychomycosis, is a fungal infection that affects one or more toenails. It occurs when microscopic fungi — most commonly dermatophytes — invade the nail through small cracks in the nail or surrounding skin.
According to the American Academy of Dermatology, toenail fungus affects an estimated 14% of the general population and is significantly more prevalent in older adults. It's one of the most common nail conditions seen by podiatrists.
While toenail fungus may seem like a cosmetic concern at first, it can progress into a painful and persistent problem, especially for people with diabetes or compromised immune systems for whom it can lead to more serious complications.
What Causes Toenail Fungus?
Understanding what causes toenail fungus is the first step toward effective prevention and treatment. Several types of fungi can infect the nails, including:
- Dermatophytes — the most common culprits, responsible for most cases of toenail fungus
- Yeasts — such as Candida, more commonly found in fingernails but can affect toenails
- Molds — less common, but capable of infecting nails, particularly in older adults
Risk Factors for Toenail Fungus
Certain conditions and behaviors increase the likelihood of developing a fungal nail infection:
- Walking barefoot in public areas such as locker rooms, pools, and gyms
- Wearing tight, non-breathable footwear that traps moisture
- Having a history of athlete's foot
- Sustaining a nail injury or having nails trimmed too short
- Having diabetes, poor circulation, or a weakened immune system
- Being 60 years of age or older
- Sweating heavily
Recognizing Toenail Fungus Symptoms
Toenail fungus doesn't always cause pain in its early stages, which is why many people don't seek treatment until the infection has progressed. Common symptoms include:
- A thickened nail that is difficult to trim
- White, yellow, brown, or black discoloration
- A brittle, crumbly, or ragged appearance
- A distorted or abnormal nail shape
- Nails that separate from the nail bed (onycholysis)
- A mild odor
- In advanced cases, pain or discomfort when walking or wearing shoes
If you notice any of these signs, it's important to see a podiatrist for a proper diagnosis. Some nail conditions can mimic toenail fungus — including psoriasis and certain bacterial infections — so a professional evaluation is essential before starting treatment.
How Is Toenail Fungus Diagnosed?
At Northern Illinois Foot & Ankle Specialists, board-certified podiatrists diagnose toenail fungus through a clinical examination of the affected nails. In some cases, a small nail sample may be collected and sent to a lab to confirm the type of fungus present.
This is an important step, as the best treatment for toenail fungus can vary depending on the fungal organism involved and the severity of the infection.
The Best Treatment for Toenail Fungus: What Actually Works
There is no one-size-fits-all approach to treating toenail fungus. The right solution depends on the severity of the infection, your overall health, and how many nails are affected. Below is an overview of the most effective toenail fungus treatment options available at NIFAS.
Topical Antifungal Medications
For mild to moderate infections, topical antifungal treatments — applied directly to the nail — may be recommended. These medications work by penetrating the nail to reach and kill the fungus. While convenient and low-risk, topical treatments require consistent, long-term use and may have limited effectiveness for more advanced infections.
Oral Antifungal Medication for Toenail Fungus
Oral antifungal medications are among the most commonly prescribed treatments for moderate to severe toenail fungus. Medications such as terbinafine and itraconazole work from the inside out, targeting the fungus systemically.
According to the Mayo Clinic, oral antifungals are generally more effective than topical treatments, though they require a course of treatment lasting several months and may not be suitable for everyone due to potential interactions with other medications or pre-existing health conditions.
Laser Therapy for Toenail Fungus
One of the most advanced in-office options for treating toenail fungus is nail laser therapy. The board-certified podiatrists at NIFAS use state-of-the-art laser technology to precisely target the fungus at its source without damaging the surrounding tissue.
Nail laser treatment works by directing concentrated laser energy into the infected nail, creating an environment that kills the fungal organisms. It is a safe alternative to oral medications — with no systemic side effects — and patients rarely experience significant discomfort during the procedure.
Key advantages of laser therapy for toenail fungus include:
- Non-invasive, in-office procedure
- No systemic side effects
- Targets the fungus precisely without harming healthy tissue
- Arrests fungal growth immediately, allowing a healthy nail to grow in
- Minimal downtime
Learn more about nail laser therapy at NIFAS.
In-Office Toenail Fungus Removal
In some cases — particularly when a nail is severely damaged or causing pain — partial or complete nail removal may be recommended. This can be done in the office using minimally invasive techniques and may be paired with antifungal treatment to prevent recurrence.
Comparing Toenail Fungus Treatment Options
| Treatment | Best For | Timeline | Side Effects |
|---|---|---|---|
| Topical antifungal | Mild infections | 6–12 months | Minimal |
| Oral antifungal medication | Moderate to severe infections | 3–6 months | Possible systemic effects |
| Nail laser therapy | Moderate to severe; patients avoiding medication | Several sessions | Rare, minimal |
| Nail removal | Severely damaged nails | Varies | Temporary soreness |
How to Cure Toenail Fungus: Lifestyle Tips That Support Treatment
Treatment alone may not be enough to prevent recurrence. Combining professional care with the following practices gives patients the best chance at lasting toenail fungus solutions:
- Keep feet clean and dry, especially between toes
- Wear moisture-wicking socks and breathable footwear
- Trim nails straight across and keep them short
- Avoid walking barefoot in public or communal spaces
- Disinfect nail clippers and footwear regularly
- Replace old shoes that may harbor fungal spores
- Treat athlete's foot promptly to prevent spread to nails
When to See a Toenail Fungus Specialist in the Chicago Area
It's time to consult a podiatrist when:
- Over-the-counter treatments have not worked after several weeks
- The infection is spreading to other nails or the skin
- You have diabetes, peripheral artery disease, or a weakened immune system
- The nail has become painful or is affecting your ability to walk
- You are unsure whether you have toenail fungus or another nail condition
NIFAS also treats related nail issues such as ingrown toenails. If you're experiencing any concerns with your nail health, don't wait to seek care.
Get Rid of Toenail Fungus With Help From a Chicago-Area Podiatrist
If you've been struggling to eliminate toenail fungus, effective, evidence-based treatment is available close to home. Northern Illinois Foot & Ankle Specialists offers advanced toenail fungus treatment — including state-of-the-art nail laser therapy — at 16 locations throughout the Chicago area.
Request an appointment online at NIFAS to have your nail infection evaluated by a board-certified podiatrist and find the right treatment plan for you.
Frequently Asked Questions
What is the best treatment for toenail fungus?
The best treatment depends on the severity of the infection. Mild cases may respond to topical antifungals, while moderate to severe infections often require oral antifungal medication or laser therapy. A podiatrist can evaluate your nails and recommend the most effective option for your situation.
Can toenail fungus go away on its own?
Toenail fungus very rarely resolves without treatment. In most cases, the infection will persist and may worsen over time, spreading to other nails or the surrounding skin. Early treatment gives you the best chance of clearing the infection completely.
How long does it take to get rid of toenail fungus?
Treatment timelines vary by method and severity. Oral medications are typically taken for 3 to 6 months, while topical treatments may be used for up to a year. Laser therapy typically requires a few in-office sessions. It's important to remember that even after the fungus is gone, it takes time for a healthy nail to fully grow in, which can take 6 to 18 months.
Is laser therapy for toenail fungus effective?
Yes. Nail laser therapy is an FDA-cleared treatment that has been shown to effectively eliminate fungal organisms in the nail. It is a popular option for patients who want to avoid oral medications or have not responded to other treatments.
Is toenail fungus contagious?
Toenail fungus is contagious and can spread from person to person in shared spaces like pools, gyms, and locker rooms. It can also spread from one nail to another or to the skin. Wearing protective footwear in public areas and avoiding sharing nail tools can help prevent transmission.
Where can I find a toenail fungus specialist near me?
Northern Illinois Foot & Ankle Specialists has 16 convenient locations throughout the greater Chicago area, including Crystal Lake, Elgin, Wheaton, Bloomingdale, Woodridge, Yorkville, Sycamore, and more. Request an appointment online to find the location nearest you.
