Brief Answer:
Go to doctor to have a urinalysis done and abdominal exam.

Detailed Answer:
Cloudy urine can be innocuous but can also be a sign of an infection or inflammation in the urinary tract, and some times reproductive system such as the prostate. So for this reason, I advise you go to your doctor or an urgent care clinic where they can take a urine specimen and palpate your abdomen/pelvis.

Dehydration and excessive strenuous exercise can put protein in the urine that can make it appear cloudy too. There are other disorders such as diabetes and autoimmune problems which can produce cloudy urine also. But the most common causes are from the urinary or reproductive systems.

If you go to a doctor, they will likely have you give a urine specimen. A "dip stick" urine test can be done right in the office which can give an indication to whether there is sugar, protein, or microscopic blood in the urine. If there is evidence for infection, the urine can be sent for a "culture and sensitivity" to a lab. The lab will culture the urine to see if anything grows, and identify what grows. If something grows on the culture, the sensitivity test is where the lab tests different antibiotics on it to see if the bacteria is sensitive or resistant to that particular antibiotic. Then that antibiotic which shows effectiveness can be prescribed, or the doctor may use this information to check on whether an antibiotic he has already prescribed (IF necessary) at the visit is effective.

The doctor will also do a physical exam, palpating the area where you feel the discomfort to see if there is a growth, and also to get an idea of what structures are involved (example the ureters, bladder, prostate or left descending colon).

If there is the possibility of an STD, the doctor may also take a specimen of any discharge from the tip of the penis.

I hope this information helps. Please let me know if I can provide further information or clarification.

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