Another important factor to consider when choosing a toenail fungus treatment is the safety and side effects of the product ... antifungal agents such as terbinafine, clotrimazole, or fluconazole.

Terbinafine (as HCl) 1%. ≥12yrs: apply twice daily (AM & PM). Improvement may continue for 2–6 weeks after therapy completed. T. pedis (interdigital), t. corporis, t. cruris: apply for 1 week ...