Individuals suffering from fungal toenail infections have had some success treating them with Vicks Vaporub; in one study, 56 percent of participants showed some improvement in their symptoms. To treat a fungal infection with VapoRub, use a cotton swab to daily apply a small amount, instructs Mayo Clinic.
The Mayo Clinic bills this use of Vicks VapoRub as a home remedy. The official product page for VapoRub does not list treating fungal toenail infections as an official use for the product, so individuals attempting this method should not rely too heavily on it.
Some other home remedies for treating toenail fungal infections involve using over-the-counter medications and using a file and clippers to trim and thin the infected nail, according to Mayo Clinic.