The bruised fresh leaves of the plant will, if applied, relieve local pains and headache, and in rheumatic affections the skin may be painted beneficially with the oil. Oil of Peppermint has been recommended in puerperal fevers. 30 to 40 minims, in divided doses, in the twenty-four hours, have been employed with satisfactory results, a stimulating aperient preceding its use. The local anesthetic action of Peppermint oil is exceptionally strong. It is also powerfully antiseptic, the two properties making it valuable in the relief of toothache and in the treatment of cavities in the teeth.
Sanitary engineers use Peppermint oil to test the tightness of pipe joints.
It has the faculty of making its escape, and by its pungent odor betraying the presence of leaks. Wild mint is considered to have emetic, stimulant, and astringent qualities, and is used in diarrhea and as an emmenagogue. The infusion of 1 oz. of the dried herb to 1 pint of boiling water is taken in wineglassful doses. Wild Mint exhibits a emetic, stimulant and astringent properties. Used in herbal medicine in diarrhea and as an emmenagogue, the infusion of 1 oz. of the dried herb to 1 pint of boiling water being taken in wineglassful doses.