Why Toenail Fungus Is So Difficult to Treat
Onychomycosis — fungal infection of the toenail — affects an estimated 10 percent of the general population and becomes increasingly common with age. Toenail fungus is notoriously difficult to treat because the nail plate is a dense, keratinized structure that acts as a nearly impenetrable barrier between topical treatments and the fungal organisms living beneath it. Over-the-counter antifungal creams simply cannot reach the infection in adequate concentrations.
The Triple Threat Approach
The most effective strategy for achieving clear, healthy nails is a coordinated multi-modal protocol that attacks the fungal infection from three directions simultaneously. At Dr. Katz's practice, the Triple Threat Treatment combines:
- Prescription antifungal lacquer: Applied daily directly to the nail surface to penetrate the nail plate and suppress fungal growth locally
- Oral antifungal medication (terbinafine): Taken for 3 to 6 months, this systemic medication reaches the nail bed from beneath
- Laser treatment: Targeted laser energy passes through the nail plate and heats fungal organisms to temperatures that destroy them, while leaving surrounding tissue unharmed
By combining all three modalities, clearance rates of 80 to 85 percent are achievable — dramatically higher than any single modality alone.
Prevention: Stopping Re-Infection
Once clear, preventing re-infection requires keeping feet clean and thoroughly dry, wearing moisture-wicking socks, and never walking barefoot in public showers or pool decks. Book an appointment today to discuss whether the Triple Threat Treatment is right for your situation. Explore the full range of foot care services.

