I have been diagnosed with the same (IIH) Other findings are 1. csf opening pressure 36.7 cm H2O through LP. 2. stenosis of bilateral distal transverse sinus 3. tortuosity of the optic nerve sheath 4. Empty sella turcica I was under DIAMOX 250 mg daily for last 2 months which made me feeling well. After last visit to my physician today i have been put to DIAMOX 500 mg daily for next 3 month. I am not sure why dose has been doubled and not even asked my doctor.. My symptoms .....Vertigo (sensation of spinning dizziness), nausea, Headache, Intolerance of light, sound, a very mild sound in ear. I was diagnosed with in 3 months of my symptoms. I am 34 yrs male,,, wt 135.58 lbs (61.5 kg) Any suggestion please.. Thanks