Autusm spectrum disorders cannot be treated but can be effectively managed with medications and auxillary support. There r no authentic scientific reseraches yet to confirm CBD oil effectiveness. Also there are prohibitions on narcotic substances such as CBD etc depending on ur location.
Next Steps
It is recommended to continue the medicines, speech therapy n OT as of now.
Health Tips
Focus on fiinding ur child's strengths eg - art / maths / music or sports. Then channelize his energy towards that.