1 The most common symptom of pinworms is an itchy rectal area. Symptoms are worse at night when the female worms are most active and crawl out of the anus to deposit their eggs.  Although pinworm infections can be annoying, they rarely cause serious health problems and are usually not dangerous.
To determine the suitability of an individual for a particular job, some employers may require a pre-employment physical examination. Urine drug tests, hair drug or alcohol testing, saliva drug screen, and sweat drug screen are among a few of the types of drug tests available.
1 A creatinine urine test evaluates how well your kidneys are working by measuring the amount of creatinine in your urine.  A urine 24-hour volume test is the most common type creatinine urine test. Since the urine 24-hour volume test simply involves urination, there are no associated health risks or side effects.