I have noticed that the mucus becomes more yellow and thick when taking Ibuprofen and Tylenol Sinus meds. The E.R. doc told me to take 600 mg IBU & 650 of Acetominiphen. Thats alot of stress I already thought on the body. I have yet to find anything that will help ail the extreme sore throat and pressure. I plan to try the ACV method. I have also been told the Raw Apple Cider Vinegar will help cure Heartburn, bringing the acidic levels in the digestive trac and system back to a normal by tricking the body. Haven't tried yet as well, but I will.