I've been getting non stop headaches. It started with a cold 9 days ago. First I lost my voice. I used zinc lozenges. vitamin C and Echinacea to try to fight it. It continues on. My voice is fine now, but my nose wont stop running, even with anti-histamines. I've also had a good amount of sinus congestion. Taking decongestants and Fluticasone nasal spray 2X daily. I thought I had a fever, but digital thermometer gave me three readings within a few minutes, 96.2. 97, and then 96.7. My body temp is normally 98.2. Any insights into this?