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Doctor insights on: Vyvanse In Urine

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Urine (Definition)

Urine is the product of the kidneys, which is produced to eliminate the waste products of metabolism, manage body fluid balance, &maintain acid-base balance. The blood is first filtered by the kidneys, and the composition of the resulting fluid is then altered depending on the body's needs. It is composed of mostly water, and breakdown products from blood cells impart ...Read more


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Doctors, do you think I can dissolve Vyvanse into clean urine to make it test positive?

Deception: deception will likely lead to strict restriction of controlled substances. ...Read more

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Is Vyvanse effected by urine alkalinity?

Is Vyvanse effected by urine alkalinity?

Excretion is: The percent of dose excreted as unchanged drug varies greatly depending upon urinary ph and urine flow. At low ph as much as 70% of the dose may be excreted as amphetamine in 24 h, whereas as little as 1% may be excreted within 24 h at alkaline ph (j. Pharm. Pharmacol. 21:241-258 (1969). ...Read more

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Can a urine,drug screen detect how much vyvanse,is in my urine or just that the,vyvanse is there?

Can a urine,drug screen detect how much vyvanse,is in my urine or just that the,vyvanse is there?

Both: A point of care drug screen will tell you what is in the urine based on what is tested for. Sending the urine off for quantitative analysis will tell how much of what is tested is in the urine. ...Read more

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Does vyvanse interact negatively with local IV sedation? Also, will my vyvanse show up in urine test before surgery if I stop taking 4-5 days before?

Does vyvanse interact negatively with local IV sedation? Also, will my vyvanse show up in urine test before surgery if I stop taking 4-5 days before?

Vyvanse: In general, It should not, exceptions possible due to other factors, each situation is different, but for detailed answer please contact manufacture's hot line ...Read more

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Took 2 30mg Vyvanse Sunday, 3 Tuesday & 3 Wednesday (today). Have a urine drug test in 6 days. Will the Vyvanse be out of my urine within next 6 days?

Took 2 30mg Vyvanse Sunday, 3 Tuesday & 3 Wednesday (today). Have a urine drug test in 6 days. Will the Vyvanse be out of my urine within next 6 days?

Vyvanse in Urine: It is important to understand that each of us metabolize and eliminate medications in our own unique way so time frames given cannot be taken as being exact and applicable to the entire population. Having said that, most patients should have no detectable amphetamine in the blood or urine five days after the last dose was taken. Remember that this applies to "general population samples." ...Read more

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How long does vyvanse last in system for urine test?

72 hrs: Vyvanse is (lisdexamfetamine dimesylate) is rapidly excreted through the kidneys. In a person with healthy kidneys 95 % will have been eliminated in 24 to 36 hrs. It will b slower in person with Kidney disease. ...Read more

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Will 30mg Vyvanse still be in my urine after 60+ hours if my metabolism is super fast and i'm skinny with little body fat?

Will 30mg Vyvanse still be in my urine after 60+ hours if my metabolism is super fast and i'm skinny with little body fat?

Probably not: Vyvanse tends to have a clinical effect that lasts around twelve hours. If you triple that to thirty six hours, it should in all likelihood be gone from your system. As a physician, i cannot guarantee this, and if your job or some other legal concern is prompting this, keep in mind that this is general medical information based on my practice and my patients, and may not be correct for you. ...Read more

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Will taking one Vyvanse show up on a urine screen the next day?

Will taking one Vyvanse show up on a urine screen the next day?

Likely : The excretion is dependent on the ph of urine and may take two or tree days to be completely gone. It will show up under the amphetamine category. Concern about a positive screen can be handled by providing testing entity with a copy of the prescription bottle which will have all of the identifying demographic information on it. Having a prescribed drug show up as expected should not be issue. ...Read more

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I rarely take vyvanse. I know it's bad even if i'm not prescribed. However i just took one. Should it be totally out of my urine in 48 hours or less?

Yes: Drink plenty of water.The elimination half-life of lisdexamfetamine typically averaged less than 1 hour, even the amount unconverted to active form is negligible in at most 8 hours. Having said so, it is important , you see your doctor for proper evaluation, diagnosis and care. Taking vyvanse as you indicated tells there may be a problem you need to address. Please talk to your physician.Stay safe. ...Read more

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Vyvanse (Definition)

Vyvanse, or lisdexamfetamine, is a category ii controlled substance used to treat symptoms of adhd by acting as a central nervous system long-acting stimulant. It works by enhancing the levels of Dopamine and norepinephrine in the brain to help with attention. Vyvanse is in the same class as Adderall (vs. Ritalin-based stimulants). All stimulants have a ...Read more