Very irritating throat problem (may be sinuses)

[A_zee]

M suffering from kinnda throat issue. . .  Its been 2 years now. . .I dont feel any kind of pain but there iz a lot of mucus came out of mouth daily some times its just transparent thick sticky kind some times it is white even sometimes some blood like stuff came out with it.  . .i feel no pain in throat or anywhere but the main problem iz headache I feel pressure in my salivary glands area and in my forehead. . . Its feels like depression like situation.  very very irritating feeling and constantly headaches. . . .visited 3 ent specialist went through antibiotic therapies. . . Tried various antibiotics like cipro ,azthromycin, roxithromycin, clarithromycin, amoxicillin, and lot more. . .  But  no effect. . .even tried homeopathic medicine but no effect. . . .have anyone faced this situation?? Kindly rply or any