In Norse mythology, Eir is the goddess associated with healing. She is known to be one of the handmaidens of Frigg, who is wife of Odin, the king of the gods. She is considered a minor goddess and is not one of the Æsir often thought of when one thinks of the Norse pantheon.
Eir is the healer of the other gods and goddesses. If they were ever sick or injured; Eir would heal and protect them. One of the things Eir uses to heal people is ritual involving a white tanned flower (called the "Eirflower" for this reason). She would only use this ritual if she really needed to.