Smart Medicine for a Healthier Child says to not give any valerian to a child under the age of twelve. They do recommend COfeea Crudea, homeopathic coffe, to relieve symptoms similar to those adults feel after drinking a cup of coffee. This rememdy effectively relieves mental and physical nervousness and excitement that may be interferring with sleep. Lavender is also good to calm a child who is overstimulated or high-strung. Use it in an aromatherapy diffuser and make sure to get essential oil of lavender. Eucalyptus oil will be good for her congestion, as well as going into the bathroom and turning on the hot water in the shower. I did this with my son when he had a cold and it helped him to sneeze out the congestion. For teething, they recommend clove oil (Gum-omile Oil is what I recommend) and licorice root powder mixed with enough water to make a paste.