Fungal infection of the nails is the one of the most difficult of all disorders to cure. Both fingernails and toenails may be affected, although toenail fungal infection is the most common type. There are a number of oral medications that have been promoted as effective cures, and, indeed, many of these medications eradicate nail fungus. However, all of these medications have the potential of causing significant toxicity, including liver damage. Oil of oregano aids in the cure primarily through topical application, although internal consumption may be necessary however, this must be under the direction of a professional health care provider. The oil has a deep penetrating power, which aids in the destruction of nail fungus, since this fungus infects the root of the nail bed as well as t ...