Cannabis isn’t a treatment for autism itself but may be discussed for symptoms...

https://smoothdecorator.com/dravet-syndrome-cbd-and-clobazam-in-the-uk-who-qualifies-under-nice-guidance/

Cannabis isn’t a treatment for autism itself but may be discussed for symptoms that often come alongside it, like anxiety or sleep problems. NICE guidance stresses that any use, especially in under-18s, needs careful specialist prescribing