Medically reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatric Surgeon — Balance Foot & Ankle, Howell & Bloomfield Hills, MI. Last updated April 2026.
Toenail fungus (onychomycosis) affects approximately 10–12% of the U.S. population — rising to 20–25% in adults over 60 — and is notoriously difficult to treat. While oral antifungal medications (terbinafine, itraconazole) are the most effective systemic treatment, they require a 3-month course and carry risks of liver toxicity, drug interactions, and side effects that make some patients unsuitable candidates. Laser treatment for toenail fungus offers an alternative: a non-systemic, painless treatment that destroys the fungus within the nail without systemic medication. At Balance Foot & Ankle in Southeast Michigan, Dr. Tom Biernacki provides laser nail therapy as part of a comprehensive toenail fungus treatment program.
How Laser Treatment Works
Laser devices used for onychomycosis (such as the PinPointe FootLaser, Cutera GenesisPlus, and others) emit near-infrared light that passes through the nail plate and is absorbed by the fungal organisms within the nail bed and nail plate. The thermal energy generated destroys the fungal cells without damaging the surrounding nail tissue or skin. Treatment sessions are brief — typically 15–20 minutes per foot for all ten nails — and are generally well-tolerated with minimal discomfort (a warming sensation). Multiple sessions are recommended (typically 3–4 sessions at monthly intervals) to address fungal organisms that may be at various life cycle stages. Since the nail is already damaged and must grow out before cosmetic improvement is visible, patients should expect 9–12 months of new nail growth to reveal the full cosmetic result.
Effectiveness and Expectations
Clinical studies on laser treatment for onychomycosis show mycological cure rates (negative fungal culture after treatment) of approximately 50–75% depending on the device, protocol, and severity of nail involvement. This is lower than oral terbinafine (70–80% mycological cure) but higher than topical antifungals alone (25–40%). For best results, Dr. Biernacki recommends a combined approach: laser treatment as the primary modality combined with a prescription-strength topical antifungal (efinaconazole, tavaborole, or ciclopirox) applied daily throughout the course, aggressive nail debridement at each treatment session to reduce fungal load in the nail plate, footwear decontamination (antifungal shoe spray), and daily application of topical antifungal to the surrounding skin to prevent re-infection from the skin reservoir. This multi-pronged approach significantly improves outcomes compared to laser alone.
Frequently Asked Questions
Does insurance cover laser toenail fungus treatment?
Laser treatment for toenail fungus is generally not covered by Medicare or commercial insurance and is typically paid out-of-pocket. This is because it is classified as a cosmetic procedure by most payers. The nail debridement (trimming and reduction of the thickened fungal nail) at each visit may be separately billable to insurance as a medical service. Our office provides transparent self-pay pricing for laser treatment sessions and works with patients to maximize any covered components of their toenail fungus care.
Is laser treatment better than oral medication for toenail fungus?
Oral terbinafine (Lamisil) has a higher mycological cure rate than laser alone (70–80% vs 50–75%) and remains the most effective single treatment modality. However, laser is preferred for patients who: cannot take oral antifungals due to liver disease, drug interactions, or prior adverse reactions; are on multiple medications with potential terbinafine interactions; or prefer to avoid systemic medication. The ideal choice depends on the patient’s health status, medication list, nail severity, and personal preferences — Dr. Biernacki reviews all options at your visit.
How many laser sessions are needed for toenail fungus?
Most protocols recommend 3–4 laser treatment sessions at monthly intervals (approximately 4 months of active treatment). Some severe or resistant cases benefit from additional sessions. The laser kills the fungal organisms, but the nail must then grow out completely for the cosmetic result to be visible — toenails grow approximately 1mm per month, so full cosmetic result takes 9–12 months after the last treatment session. Regular follow-up with topical antifungal during this period maintains the improvement.
Toenail fungus is treatable — and laser therapy offers a medication-free option. Contact Balance Foot & Ankle to schedule a toenail fungus evaluation with Dr. Biernacki in Southeast Michigan.
Dr. Tom’s Recommended Products for Toenail Fungus
📍 Located in Michigan?
Our board-certified podiatrists treat this condition at two convenient locations. Same-day appointments often available.
These are products I personally use and recommend to my patients at Balance Foot & Ankle.
- Kerasal Fungal Nail Renewal — Clinically shown to improve nail appearance in 8 weeks — exfoliates infected nail while delivering active antifungal
- Fungi-Nail Anti-Fungal Pen — Delivers undecylenic acid precisely to nail and surrounding skin — convenient pen applicator for daily treatment
- Lamisil AT Antifungal Cream 1% — Terbinafine — the same active ingredient as prescription oral Lamisil, for skin fungal infections around nails
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Subscribe on YouTube →Medically Reviewed by: Dr. Tom Biernacki, DPM — Board-Certified Podiatrist, Balance Foot & Ankle Specialists
Considering Laser Treatment for Toenail Fungus?
Laser therapy offers a safe, painless alternative for treating stubborn toenail fungus. Our practice uses advanced laser technology to target fungal organisms without harming surrounding tissue.
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Clinical References
- Gupta AK, Simpson FC. “Laser therapy for onychomycosis.” J Cutan Med Surg. 2013;17(5):301-307.
- Bristow IR. “The effectiveness of lasers in the treatment of onychomycosis: a systematic review.” J Foot Ankle Res. 2014;7:34.
- Hollmig ST, et al. “Lack of efficacy with 1064-nm neodymium:yttrium-aluminum-garnet laser for the treatment of onychomycosis.” J Am Acad Dermatol. 2014;70(5):911-917.
Dr. Tom Biernacki, DPM is a double board-certified podiatrist and foot & ankle surgeon at Balance Foot & Ankle Specialists in Southeast Michigan. With over a decade of clinical experience, he specializes in heel pain, bunions, diabetic foot care, sports injuries, and minimally invasive surgery. Dr. Biernacki is a member of the APMA and ACFAS, and his patient education content on MichiganFootDoctors.com and YouTube has reached over one million views.
- Diagnosis and Treatment of Plantar Fasciitis (PubMed / AAFP)
- Heel Pain (APMA)
- Hallux Valgus (Bunions): Evaluation and Management (PubMed)
- Bunions (Mayo Clinic)
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