Hi, this past Sunday I was feeling nauseas on and off, with a little bit of acid reflux and a sore throat. Monday, there was really no nausea but just a sore throat and aching sinuses, and later at night a low grade fever of 99.2. Today there is just a slight headache, aching sinuses, and a sore throat (feels almost swollen and hard to swallow at times). It doesn t seem to be going away. please help! I dont know what this is. It s not common for me.