Thanks Quandry - I also have most of those symptoms as well, though I was taking it for a UTI - and I have retention some of the time anyways.. and I had the worst cold/cough, so have the sinus syptoms as well.. I also feel like gagging from the cold part of it (post nasal drip), as if i clear my throat too many times, it ends up using it all up and weakens it, to where I sound a little throaty while talking.. the nasal voice resolved at least~!!! Hopefully IVIG will help me on Monday - hope you get to feeling better soon too!!