Hi. Pls any doctor advise me. Ihave been sufferring from sinus problems for long time...ex are facial pressure nasl blockag wihout mucus , mucus dripping at back of throat when waking up from sleep. I had done mri year back and it showed infection in forehead and cyst on left side of face....i am taking nasacort and fexofenadine hcl for months and tried other antihistamine also, but the symtoms persist....i am a liver patient with conginetal hepatic fibrosis and 31 years....liver enzymes r normal....should i take antibotics if so which one and dosae and days? And what else can i do....pls help