Research has found that lemon balm has a mild sedative effect, antibacterial and antiviral properties, and an ability to relieve cramps and gas. It is used to heal wounds, ease indigestion, relieve menstrual cramps, fight cold sores, relax nerves, soothe and prevent insect stings, and prevent insomnia. It has also been used for hysteria, melancholia, headaches, and high blood pressure. The tea is also recommended for inducing perspiration and relieving fever due to colds and flu. Externally, lemon balm has been used for rheumatism, nerve pains, as an insect repellent, and for stiff neck. It is approved by the German Commission E for nervousness and insomnia. This herb is gentle enough for babies and children.