Chamomile is a flowering plant in the daisy family. Native to Europe and Western Asia, it's now found around the world. The herb smells slightly like an apple, which may explain its name—chamomile is Greek for Earth apple. ChThe list of conditions for which it's been used is extensive. It includes fever, headaches, kidney, liver, and bladder problems, digestive upset, muscle spasms, anxiety, insomnia, skin irritations, bruises, gout, ulcers, rheumatic pain, hay fever, inflammation, hemorrhoids, colic, and menstrual disorders.