Although toenail fungus is usually treated with oral medication described by a doctor some people treat it with Vic's Vapor Rub There is evidence proving that Vic's Vapor Rub can cure fungal toenails in some people This is largely due to its ingredients including menthol camphor and eucalyptus oil These ingredients may have antifungal properties that inhibit the growth of the fungus and toenails and allow it to grow to a new healthy one The ointment should be applied to the affected nails every