How Long Does Vyvanse Stay In Your System (And Why)?

Exact Answer: 8 Hours

In our central nervous system, Vyvanse stimulant is present and it is used to treat symptoms of attention deficit hyperactivity disorder (ADHD) in people while children only above six years of age are allowed to take it. In addition, Vyvanse is also present for the treatment of BED (Binge Eating Disorder). On the other hand, ADHD is a condition that includes attention difficulty and also includes low self-esteem.



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This medical diagnosis is necessary. Scientific tests prove that 8.4% of children have ADHD and 2.5% of adults have ADHD. It is very necessary to treat this medical condition otherwise it causes threats throughout life. BED is a disorder of eating. There are other health issues related to diet as well – like diabetes, high cholesterol, etc. BED is a disease that is diagnosed in those people who eat a lot in the shortest time. 

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How Long Does Vyvanse Stays In The System?

Rather than a blood test, some tests are followed which to check Vyvanse in the system.

Parameters(Based On Tests)Time limit
Urine testsIn urine, Vyvanse stays up to 3 days.
Saliva testsIn saliva. Vyvanse stays up to 48 hours.
Hair testsIn hair, Vyvanse stays up to a month.

Mostly Vyvanse stays half a lifetime in the system. Vyvanse is also named lisdexamfetamine dimesylate and is a stimulant approved by drugs and food (FDA). The drug is approved over years for ADHD. and BEd is approved over 18 years. Vyvanse is not for weight loss or treatment of obesity.

Vyvanse is classified by the United States Drug Enforcement Administration categorized as a controlled substance. It requires a physician’s prescription. Vyvanse stays according to the dosage of the drug and the drug remains in the individual system for half-life means normal metabolic processes to reduce the concentration of the drug. Overall, Vyvanse stays for a very short time in the system.

Lisdexamfetamine is naturally metabolized. Lisdexamfetamine is the natural ingredient present in the Vyvanse. Vyvanse is a drug that has a lower potential than its counterparts.

.In hair, Vyvanse stays for a longer period but it is a bit difficult to take a hair test so most of the time saliva or a urine test will be taken. Drug tests depend on numerous factors. Most tests depend on the drug intake but they have side effects too.

And Vyvanse medicine is present in different forms like chewable capsules, capsules. Sometimes doctors stop giving a dosage of Vyvanse when there are no changes in ADHD and BED.

Why Does Vyvanse Stay So Long In Your System? 

Doctors increase the dosage of medicine time by time. Dosing is an option like 10 mg to 70 mg mostly on daily doses of Vyvanse is 30mg. Vyvanse improves human beings’ focus for 14 hours. Vyvanse capsules are not for heart problems. And Vyvanse dosage also affects your sleep. It is a very long treatment. And the costs are also high for the treatment of this ADHD and BED. It is an approved treatment first invented in the US.

Common side effects of Vyvanse are dry mouth, nausea, diarrhea, anxiety, etc. Long-term effects also give more problems like heart problems, paranoia.

For ADHD dosage of Vyvanse is 30mg and for BED Vyvanse is taken in portions of 20mg and doctors will increase dosage per week. If symptoms relapse from time to time, doctors increase your dosage of Vyvanse, and if symptoms reduce the doctor lessens the amount of the drug.

It is very necessary to consult a doctor every time. Headache is common in this because Vyvanse dosage is of high mg.


If children facing an ADHD  problem, give them instructions to take proper sleep, avoid using mobile phones, focus on food choices, avoid junk food, stick to a schedule, do yoga and meditation. And when you are affected more by taking a dosage then consult a doctor. One necessary thing is to take care of yourself properly. The symptoms take their particular time to heal.


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