I noticed blood in my urine today. I've been suffering from common flu for 4 days. I also feel a little pressure in my bladder during the end of urination, along with a slight pain in the navel which is very rare. There wasn't a lot of blood, just a few drops. I'm not on my period. My last period ended last week. I'm sexually active, and have always used protection. I haven't noticed any blood in my urine except for when I'm menstruating ever before. I'm a little worried, but because I can't see a physician till the weekend, any help would be useful. Thank you.