My husband found this site for me so I can talk to other sufferers. For me this all started mid july and I didnt know what was going on. Red eye. Stuffy nose and severe pain behind eye. Went to my primary dr and they said sinus infection. After 1 month and 3 different antibiotics they did not go away. It happened everyday right around dinner time, I even tried not eating to see if that helped. I googled daily to come up with diagnosis and all the symptoms matched CH. I saw a ENT first to check sinuses and was given all clear. Found a neurologist and he looked at a previous brain mri and said