hello sir,madam,,,i have a son who has jerking of muscles and the doctor gave him risdone,,,we observe the jerking become worse,like he is having nonstop hiccups.now the doctor stop that medicine and gave him serenace haloperidol ....i want to know is there any specific cure for that and what probably the cause of my sons health conditions? thank you and i appreciate so much any answers that will help me.thank you!