Amoxicillin / clavulanate
"In Jan and now was prescribed this rubbish, twice no results and end up getting real amoxicillin. Both times I got this one I felt like my symptoms worsened two fold after 4 days on this. My diagnosis, Pansinusitus . I've never heard of this before, apparently it's the mother load of sinusitis involving infection in all 4 sinus. I had no fever, no nasal congestion, just severe fog and major headache and really large swollen glands under my Jaw, ears and neck all around. I'm so delirious I thought Sherlock was a made up word and laughed hysterically when someone mentioned it. Needless to say, this antibiotics doesn't do anything!"