Cannabis isn’t a treatment for autism itself, but sometimes it’s talked about...

https://miloscoolword.evergrovio.com/posts/why-is-the-evidence-for-cannabis-and-autism-described-as-preliminary

Cannabis isn’t a treatment for autism itself, but sometimes it’s talked about for symptoms that come with it, like anxiety or irritability. NICE guidance advises that any use, especially for under-18s, should be overseen by specialists