German chamomile is used for intestinal gas, travel sickness, stuffy nose, hay fever, nervous diarrhea, attention deficit-hyperactivity disorder (ADHD), fibromyalgia, restlessness, and trouble sleeping. It is also used for digestive system disorders, stomach ulcers, colic, and menstrual cramps.
In manufacturing, German chamomile is used in cosmetics, soaps, and mouthwashes.
Toothache. Clove oil and eugenol, one of the chemicals it contains, have long been used topically for toothache, but the U.S. Food and Drug Administration (FDA) has reclassified eugenol, downgrading its effectiveness rating. The FDA now believes there isn't enough evidence to rate eugenol as effective for toothache pain.