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A urine drug test is used to detect the presence of illegal and prescription drugs in urine.
In a urine drug test, a sample of urine is sent to a lab. A tester analyzes the urine for certain drugs or their metabolites. Metabolites are byproducts formed by the body after it processes a drug. Otherwise, the of the drug test might be inaccurate.
As a result, the tester will be unable to properly detect the presence of drugs in the urine. This article explains the potential reasons of urine dilution and how to get accurate. Urine can become diluted due to many reasons. It can happen accidentally. Many people recognize the importance of staying hydrated. If a person is unable to provide enough urine, they might have to return or repeat the test. Some people might drink lots of fluid beforehand to ensure that they can give a urine sample.
Some prescription medications have a diuretic effect. They increase urine production, resulting in diluted urine. The kidneys remove waste from the body by making urine. Additionally, testers can determine if the urine is diluted by referring to measurements called validity checks.
These checks include urine creatinine and specific gravity. Your kidneys remove creatinine through the urine. The amount of creatinine in your urine indicates its concentration.
Urine specific gravity indicates the concentration of urine. It compares the water content to the amount of substances in the urine. Normal urine has a specific gravity of between 1. If the urine is diluted, the specific gravity is between 1. An immunoassay IA is a drug test that uses antibodies to detect the presence of certain drugs. Antibodies are proteins that bind with antigens, or foreign substances. In this case, the antigen is the drug. In an IA, the tester adds the drug and drug-specific antibodies to the urine.
If the drug is already in the urine, it will compete with the added drug to bind with the antibodies. This reaction means the sample is positive. The sample will be considered negative. An IA is inexpensive and quick. This means it can yield false positive or false negative. In GC-MS, a gas is added to the urine sample. The gas interacts with the substances in the urine, causing them to separate. The tester uses a machine called a mass spectrometer to detect the separate compounds.
GC-MS is the standard test used for follow-ups. Other types of chromatography may use liquid to separate the compounds. Some people might drink lots of water to stay healthy or ensure they can give enough urine. To prevent urine dilution, limit water and diuretic intake before administering the test. You can also collect urine in the early morning or before work. A urine drug test, also known as a urine drug screen, is quick and painless.
It tests urine for the presence of illegal drugs and prescription…. Weed is detectable in bodily fluids for up to 30 days after last use. For daily users, weed may be detectable for several months after last use. As little as one bagel or muffin can affect drug test for up to 60 hours.
What's the deal with mushrooms and drug tests? Cystocele is a condition in which the bladder protrudes into the vagina. We explain the causes, diagnosis, treatment, and more. Foul-smelling urine is not a symptom or of cancer. It can, however, indicate other conditions, such as urinary tract infections or STIs.
The idea that urine is sterile is a pervasive idea, but what does the research say? Health Conditions Discover Plan Connect. Medically reviewed by Debra Sullivan, Ph. What can cause urine to be diluted? How testers detect diluted drug tests. Is it possible to prevent dilution in urine tests? Types of urine drug tests.
Read this next. Urine Drug Test. Medically reviewed by Judith Marcin, M. Medically reviewed by Alan Carter, Pharm. Medically reviewed by Zara Risoldi Cochrane, Pharm. Medically reviewed by Stacy Sampson, D. Cystocele: What You Need to Know. Medically reviewed by Fernando Mariz, MD. Medically reviewed by Alana Biggers, M. Is Urine Sterile? Fact vs.
Medically reviewed by Deborah Weatherspoon, Ph.Can you pass a drug test with water
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How Much Water Will Dilute a Drug Test?