Yes My 11 Years Old Was In The Hospital.they Injected

Yes my 11 years old was in the hospital.they injected haloperidol 5 times in 3 days to do test and keep him calm with iv.
He is home 2nd day .but he is very tired.eyes not fully open.he is nervious.he is not taking anything else if diagnosed with any illness.how long it takes haloperidol to wear off his body.he is not eating.