When you first get your braces on, your teeth will hurt for a few days, as they will every time you get your braces tightened or your wires changed.
Chamomile is also popular for anxiety in children. Fennel. Fennel isn't for anxiety specifically, but it is linked to treating some of the most common symptoms of anxiety, including digestion, coughing (many with anxiety have a nervous cough), and asthma (anxiety can exacerbate asthma symptoms).
Flowers from 2 linden species (Tilia cordata and Tilia platyphyllos) were historically used to soothe nerves and treat health problems associated with anxiety. These flowers were steeped as a tea to relieve anxiety related to indigestion, irregular heartbeat, and vomiting. Today, linden is used in many cough and cold remedies. Active ingredients in linden help promote sweating, which may help treat people with fevers.