FROM OUR EXPERTS
Creatinine is a breakdown product of creatine, which is an important part of muscle. Creatinine is removed from the body entirely by the kidneys. This article discusses the test done to measure the amount of creatinine in your urine.
A blood test can also be used to determine your creatinine level. See: Serum creatinine
Urine creatinine test
How the test is performed
A random urine sample or a 24-hour collection may used. For information on how to collect a 24-hour urine sample, see: 24-hour urine collection .
How to prepare for the test
Your health care provider may tell you to temporarily stop taking certain medicines that may interfere with test results. Such medicines include:
How the test will feel
The test involves only normal urination, and there is no discomfort.
Why the test is performed
Dear Dr. Motola,
If a person has a low PSA can you attribute this to any particular factor or factors? In other words are there any medical reasons for a low PSA? A friend told me that there has to be mitigating factors for this low score.
A low PSA is usually desirable as it will be associated with a lower likelihood of prostate cancer . Prostate cancer is not always associated with an elevated PSA as tumors that are very high grade may be associated with normal PSA . This occurs because high-grade tumors are very dissimilar to normal prostate, and as a result lose their ability to secrete PSA. Most often these patients will have very abnormal digital rectal examination. Patients taking Proscar or Avodart may often have low PSA values. This group of patients needs to have careful scrutiny of the interpretation of their PSA.
I’ve written previously about adolescent male depression and the difficulties that can be encountered trying to unravel normal adolescent behavior from signs that something is really wrong. Mood shifts, irritability, lack of motivation, sullenness and anger seem to affect many teens. Parents may become increasingly confused and concerned over what is happening and why? They feel hurt as the child they once knew seems to reject their help and increasingly points out their perceived inadequacies as a parent and adult through words, deeds or both. How do we, as parents, understand what’s behind the apathy of adolescence?
Negative mindsets are a characteristic of depression, but they are also a feature of adolescence. Here’s a young person who feels the need to let go of the child and become someone else – but who? It’s often a sudden and dramatic change. After years of play, embracing make-believe, cherishing toys and teddy bears, it stops: but what i...
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