Urine in Semen

  I am somewhat concerned. I am 31 years old and for the 1st time, I have had what appears to be urine in my ejaculate. It has happened the last 2 days, that is, the last 3 times I have ejaculated. Instead of creamy white, it is a runny muddy yellow. I feel fine other than that. No pain anywhere.
  I have been under unusual stress lately, but other than that, everything has been normal.
  I am concerned about the posibility of infecton or worse.
  Is this a problem, or will it go away?
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Dear Jeff,
The color of the ejaculate can vary at times and occasionally involve some blood which can give it a red, reddish-brown, or muddy appearance.  This is called