You could have a urinary track infection or some other infection. Get it checked out by a doctor either way. This is not a symptom of HIV/AIDS.
Could be as simple as diet or yeast infection (female) in which case a quick deuche will knock it out.
no unless your like drinking it
Usually concentrated because of dehydration
Sperm can't come out through urine. Even if it could, you wouldn't be able to catch it from a toilet.
Grunt crap, Elite urine, sweaty brute.
Aids
This could mean you have Swine Flu or Aids. You'd better get this checked out.
Yes, but not all transmit aids.
AIDS (HIV infection) is not spread via casual contact, sweat, feces, tears, vomit, urine, or saliva.
As adh aids in the reabsorbtion of water in the kidneys urine becomes more concentrated so urine becomes darker.
Urethra, or if you mean something that aids in getting urine out of the body, it would be a catheter.
No, you can not contract HIV by urination.