Hi there. I recently went to the emergency room for a sudden headache on the left side of my head, particularly in my temple. While the pain was mild, the pressure was unbearable. They did all the necessary blood tests and a CT scan and all results came back perfectly healthy. I was given a round of generic antibiotics in case of sinus/ear infection (they found a little fluid in my ear but no other signs of infection). It seemed I was getting better while on the antibiotics but today I m back where I was when I went to the emergency room. Note that there was semi-recent head trauma several weeks ago. Anyone got an idea of what it is? Maybe I just need stronger antibiotics and this is one heck of a sinus infection? Though with no other symptoms.. Please and thank you!