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Do you fail a drug test if you can't pee?

If you fail to provide a sufficient amount of urine when directed, and it has been determined, through a required medical evaluation, that there was no adequate medical explanation for the failure, it may be considered a refusal to test. When you report for testing, you must make an attempt to provide a specimen.

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If I cannot provide sufficient urine during a drug test, is it a refusal?

View the full FAQ here.

If you fail to provide a sufficient amount of urine when directed, and it has been determined, through a required medical evaluation, that there was no adequate medical explanation for the failure, it may be considered a refusal to test. When you report for testing, you must make an attempt to provide a specimen. If you are unable to provide a sufficient amount of urine for a drug test, the collector must begin the "shy bladder" procedures. This procedure requires that you remain at the collection site. The collector must urge you to drink 40 ounces of fluid over a three-hour period until you provide a sufficient amount of urine or the three-hour time period has elapsed. After three hours, if you did not provide a sufficient amount of urine, the collector must contact your employer's Designated Employer Representative (DER) to advise him/her that you were not able to provide a specimen. After the DER consults with the company's Medical Review Officer (MRO), you will be directed to obtain a medical evaluation within five days by a physician (or the MRO) who has expertise in the medical issues raised by your failure to provide a sufficient specimen. If the MRO makes a determination that a medical condition precludes you from providing a sufficient amount of urine, the test may be cancelled, and it would not be considered a refusal. However, if the MRO determines there is no medical condition that precludes you from providing a sufficient urine sample, the collection will be deemed a refusal to submit. The Department of Transportation's Web site (http://www.dot.gov/odapc) includes an employee guide that may help you better understand your responsibilities for testing. If you have any further questions or need additional guidance that is more specific to your situation, please contact the FAA Drug Abatement Division at (202) 267-8442 or drugabatement@faa.gov.

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Applicable Regulations:

49 CFR § 40.65(a)

49 CFR § 40.191(a)(5)

49 CFR § 40.193

49 CFR § 40.195

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Can drinking too much water hurt the bladder?

When You're Drinking Too Much Water. In most people, with normal kidney function, drinking too much water can irritate your bladder increasing the risk of urine leakage. As fluid intake increases, the amount of urine made will increase along with it.

Drinking water is important for your overall health. Overall, each person’s fluid intake is dependent on several factors unique to them. As you drink water the kidneys will use it to make urine and help to rid the body of unneeded electrolytes and waste products. Many people have heard that they should drink 8 glasses of water per day. However, for most people this is more than enough fluid, and drinking too much water can irritate your bladder leading to more incontinence. If you have no medical reason to take in high volumes of fluid, it is fine to drink as much water as you are thirsty for.

When to Drink More Water

Some people have a medical reason to drink large amounts of water, such as kidney stones or kidney disease, or low blood pressure. In other people with a painful bladder, the production of a more concentrated urine may be irritating to the bladder. In these patients, drinking more water can help incontinence due to decrease in the frequency of voiding and the amount of leakage.

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