It really is a mystery, and you aren't alone. I have more problems on my RH side. My vein of galen is underdeveloped on the RH side, my sinuses on the RH side have required multiple surgeries, tinnitus is worse on my RH side, in the past I was diagnosed with right temporal lobe epilepsy, sometimes my body just kind of melts (beyond exhausted) and my eyelid droops almost completely shut now.

My neuro has no explanation other than high csf pressure doesn't press evenly on your whole brain. The inside of the skull is irregularly shaped, making the pressure worse on certain parts of the brain. What parts depends on the individual.

IIH is just a weird disease and there is no shortage of odd symptoms.

Upon diagnosis all my symptoms were right-sided. The papilledema in my right eye was significantly worse than my left and the headaches I was experiencing were isolated to the right side of my head. I think SeaSprite brings up an interesting point about how the csf pressure isn't evenly distributed amongst the brain (to me that makes perfect sense).

As of recently, I'm a left-sided symptom sufferer, so I know it's also possible to change from one side to another.

-Amethyst

Right side headache, right side neck pain when it comes, left side ringing in the ear. Yes, it is weird. I have also had my appendix removed since this happened. Tough stuff.

Yeah, My left eye droops, (actually, when I get a bad pressure headache, it swells, & my contact wont fit) tinnitus was/is on left mainly etc. but headaches however are usually on the right. Hmm. Idk. But if I remember my reports correctly, the venus sinus is almost totaly blocked in significant segments on the left, and moderate segments on the right. Still haven't had shunt surgery. They want me too, just came from my Neuro yesterday, they are going to do a 2 day pressure monitoring, and then decide. But I have already told him no either way.

oh, and it when its real bad, I forgot how it seems to make me overwhelmingly tired. so much so, that i cant seem to keep my eyes open.

sublime410, I know what you mean about about those times that it is so hard to keep your eyes open. Mostly, those days are behind me, although I sometimes feel very tired/weak, I have no desire for a nap of any kind. However, when my new head pain, etc., was in the earlier phase several years ago, I had a refrigerator repair guy come over to fix the thing (replace timer). The refrigerator was emptied of everything with the exception of my husband's fancy root beer that was purchased at a health food store and looked so much like traditional beer bottles. Also, on the counter was one large wine glass that I preferred to drink from when we made smoothies since holding the stem of the wineglass kept the cold away from my hand. So, while he tinkered with the fridge I sat on the couch in a sunny spot and read a book, but I kept nodding off - head tilt thing going, etc. So, then, when he was done, I felt almost in a stupor when writing the check, and I had to ask him the date but still somehow bumped the month up, and upon noticing that after he left, I called to tell him I was sending another with the correct date and asked him tear the other was up upon receiving the new. But, back to when I sat my book down on the counter in front of him to write the check. There was the book title in clear view, "Out of Our Minds" by Sir Ken Robinson. I am sure that he must have thought that I was an alcoholic and going out of my mind and was reading a self-help book of sorts although it is actually a book on education and I do not even drink except maybe something like a tiny tiny bit of wine with dinner at Thanksgiving and Christmas or some other special occasion.

My symptoms seem to change sides but they are primarily right sided. My paps were worse in my right than my left, I have had my gall bladder removed, I now have liver issues (right side), lower right abdominal pain, sharp right sided head pain but tinnitus in both ears and eye pain in both eyes. I also have a more severe stigmatism in my right eye than my left. I have it in both eyes but I only have to wear a toric lense in my right eye.

I have a lot of left sided symptoms. I have had this conversation before because, I was always arguing with my old neurologist who wanted to diagnose me with migraines rather then IIH because of my one sided headeaches, ear pain and tinnitus.
But i also have slightly protruding eyes from my thyroid problems and i recently found out that the left eye protrudes by 2 points where the right is only 1. so left is worse even for that, as well. so i am thinking the mechanical skull shape answer for one sided symptoms suggested earlier is probably quite relevant.

thank you all so much for the replies! I've had a pretty rough week, and actually saw my PCP as kind of a check in. After watching me walk and try to form words, let alone sentences, she told me to call the neuro. I did, twice I think, and still have Not received a phone call back despite specifically askin for guidance. She also has referred me to a rheumatologist and to the Mayo clinic. Apparently hands that immediately turn red and splotchy as soon as they are down and then, upon raising back up turn back to a normal color is Not normal....who would've thought?