Hello Doctor, I'm suffering from an unknown problem from last 4-5 years. the problem is not constant o...but sometimes it is quit problematic specially when i need to concentrate on something like study or i have to confront some situation, i feel nervous, anxious whith mild constant headache even though i dont want to take stress checkups done thyroid-t3 t4 tsh-normal eyes-normal sinusitis ct scan-mild nasal deviation currently taking antidepressants betacap,fluoxetine, escitalopram+clonazepam