How do you get a uti and how can i get rid of it i have a yellowish discharge?

Causes: : In women, the tube that drains from the bladder to the outside is very short, just a couple of cm long, and there are a lot of potentially pathogenic bacteria that 'live' nearby (from the rectum, sometimes the vagina) - that have only a short distance to travel in order to get into the bladder and start to proliferate. Intercourse can sometimes cause bact to be pushed towards urethra. Vag dis: oth.