CDC modeled the structure of the chemical poisoning case definitions in this report after the infectious disease case definitions that were previously developed by CDC and the Council of State and Territorial Epidemiologists (CSTE) (1,2).
Though they're often used for massage and aromatherapy, the use of essential oils as a therapeutic agent for sleep in children with autism spectrum disorder is due for scientific review.
No essential oils should be given orally to children. According to Robert Tisserand, Essential Oil Safety; The majority of cases of essential oil poisoning involve accidents with young children, often between 1 and 3 years of age. Approximately 75% of cases in the USA are in children up to 6 years old.