still dizzy

Went to the doc again today. Still don't know why Soeun is dizzy. He doesn't feel like eating sometimes cos he feels like he will vomit (he did vomit when the dizziness started in March), and feel like someone is blowing into his ear, as well as ringing in his ear. All the tests he has been having over the last few months haven't shown any reason why he would be dizzy , although we have found out other things we need to keep an eye on. But he's sick of being dizzy!