Excessive saliva

Hi mummies... im now 8wks pregnant..but having alot of issues..excessive saliva in my mouth which it wont get away even wen im asleep...bloatedness and nausea feeling that makes my tastebud gone wrong..i cant even eat proper meal..and sometimes i will vomit nothing but jaz orangey fluid..im so sick and tired of this...please help and advise wat shud i do?