Mate.... deep breaths and a punching bag.

Even drugs take MONTHS to take effect when doing it with cognitive behavioural exercises. You need to get her to an OT or someone who does floortime which is emotional regulation help. That will help reduce the massive meltdowns.

I had a moment where I listened to my GP and gave M some drug that was supposed to sedate her for air travel... well... it had the opposite effect and she was more aggressive and agro than before.
she starts seeing a child psychologist and OT on May 13th, it cant come soon enough