Chamomile tea does not contain any caffeine. Chamomile is an herb that has been used for hundreds of years. Common uses of chamomile tea in the United States include helping people sleep and easing an upset stomach.
The two main types of chamomile used for health benefits include German chamomile and Roman chamomile. German chamomile is more widely used; it is used treat irritation from chest colds, abscesses, gum inflammation and various skin conditions. Chamomile can be purchased in many different forms, including flower heads, an infusion such as tea, liquid extracts, tinctures and in ointments and creams. The pollen found in chamomile has the potential to cause allergic reactions and interfere adversely with blood thinners.