this last week ive been really congested. i went to the doctor, she said my ears were red and i was wheezing and prescribed me levaquin. its made me dizzy but im still taking it. anyways..yesterday and today ive been really, really stuffy.like i cant breathe through my nose, even my regular breathing is hard. my head feels full and stuffed and my ears are popping alot. SO..my major question is..can this make you SO tired? last night i got 8 hours of sleep and today i can barely keep my eyes open. i feel like im in a brain fog and i cant even function, like i'm in a dream. i want to sleep but i have so much to do but its like i literally feel like im going to pass out. can this happen when ure sick? or stressed? im really scared somethings really wrong with me. please help : ( thanks.