But does it really work? Kerydin and another recently approved medication, Jublia, are topical versions of a new class of antifungals called oxaboroles. They are believed to be better at penetrating the thick nail plate to reach the fungus growing beneath it.

What are the side effects of Kerydin?

Application site irritation, redness, itching, swelling, or skin peeling may occur. Ingrown toenails may also occur. If any of these effects persist or worsen, stop using this medication and tell your doctor or pharmacist promptly.

Can Kerydin be used on fingernails?

Ciclodan (ciclopirox) and Kerydin (tavaborole) topical solutions are antifungal agents indicated as topical treatment in patients with mild to moderate onychomycosis of fingernails and toenails due to Trichophyton rubrum or Trichophyton mentagrophytes.