Lemon Balm, a magick herb In the Middles Ages used to soothe tension, to dress wounds, and as a cure for toothache, skin eruptions, mad dog bites, crooked necks, and sickness during pregnancy. even said to prevent baldness. As a medicinal plant, lemon balm has traditionally been employed against bronchial inflammation, earache, fever, flatulence, headaches, high blood pressure, influenza, mood disorders, palpitations, toothache and vomiting.