How long does Vyvanse stay in your system

Vyvanse is a central nervous system stimulant. When taken, It affects chemicals in the brain and nerves that contribute to hyperactivity and impulse control. Vyvanse can also be used to treat moderate to severe binge eating disorder in adults. How long does this vyvanse stay in your system? In this article, what is vyvanse, its uses, side effects and many more about vyvanse will be discussed. You will also find answer to the question: how long does vyvanse stay in your system.


What is Vyvanse?

Vyvanse is a prescription medicine used for the treatment of Attention-Deficit/Hyperactivity Disorder (ADHD) in patients 6 years and above, and for the treatment of moderate to severe binge eating disorder (B.E.D.) in adults. Vyvanse is not for use in children under 6 years of age with ADHD. Vyvanse is not for weight loss. It is not known if Vyvanse is safe and effective for the treatment of obesity. It is not known if Vyvanse is safe and effective for use in children with B.E.D.

How long does Vyvanse stay in your system

Vyvanse is not a narcotic, but according to the FDA, it is a federally controlled substance (CII) because it can be abused or lead to dependence. It is an amphetamine.
Vyvanse has been available since 2007, when the FDA approved the medication for the treatment of ADHD.


Uses of vyvanse

Lisdexamfetamine is used to treat attention deficit hyperactivity disorder (ADHD) as part of a total treatment plan, including psychological, social, and other treatments.

It may help to increase the ability to pay attention, stay focused, and stop fidgeting. Lisdexamfetamine may also be used to treat binge eating disorder (BED).

It may help to reduce the number of binge eating days.This medication is a stimulant. It is thought to work by restoring the balance of certain natural chemicals (neurotransmitters) in the brain.
This medication is not recommended for use for weight loss due to the risk of serious side effects.

How should I take Vyvanse?

  • Take Vyvanse exactly as prescribed by your doctor.
  • Follow all directions on your prescription label.
  • Your doctor may occasionally change your dose.
  • Do not take this medicine in larger or smaller amounts or for longer than recommended.
  • Lisdexamfetamine may be habit-forming. Never share Vyvanse with another person, especially someone with a history of drug abuse or addiction.
  • Keep the medication in a place where others cannot get to it. Selling or giving away this medicine is against the law.
  • Take Vyvanse with or without food, first thing in the morning.
  • Read all patient information, medication guides, and instruction sheets provided to you.
  • Ask your doctor or pharmacist if you have any questions.
  • The chewable tablet must be chewed before you swallow it.
  • Do not crush, chew, break, or divide a Vyvanse capsule. Swallow the capsule whole.
  • To make swallowing easier, you may open the capsule and sprinkle the medicine into a glass of water or orange juice, or mix it with yogurt.
  • After the medicine has dissolved, drink or eat the mixture right away. Do not save for later use.
  • While using this medicine, your doctor will need to check your progress at regular visits. Tell any doctor who treats you that you are using this medicine.
  • Store at room temperature away from moisture, heat, and light. Keep track of your medicine.
  • Vyvanse is a drug of abuse and you should be aware if anyone is using your medicine improperly or without a prescription.
  • Throw away unused or expired Vyvanse in a sealed container or bag. Ask your pharmacist where to locate a community pharmaceutical take back disposal program.

How long does vyvanse stay in your system

Most scientists believe that, these numbers can vary depending on the various testing methods. The urine, blood, saliva, hair and breast milk can be used to test how long vyvanse stay stays in your system.


Vyvanse was originally believed to have a lower potential for abuse compared to other prescription stimulant drugs like methylphenidate (e.g., Ritalin). However, drug abusers are often eager to try new substances and adapt them to their needs; thus, Vyvanse is a potential drug of abuse.

The detectability of any drug in a person’s system depends on numerous factors. Blood tests typically have the shortest detection window. In most cases, Vyvanse would be detectable in a person’s blood for up to 7-34 hours after taking it. Vyvanse or its metabolites would be expected to be detectable in urine samples for up to 3-5days and in some cases a little longer.

Hair analysis typically has the longest detection window, although it may take a few days before a hair sample would test positive for Vyvanse or its metabolites. Typically, Vyvanse would be detectable in a hair sample for about a month after the person took the drug.


How Long Does Vyvanse Stay In Urine?

Vyvanse can be detected in the urine for up to five days following the last dose.

How Long Does Vyvanse Stay In Blood?

Vyvanse can be found in the blood between 7 and 34 hours following the last dose of the drug.

How Long Does Vyvanse Stay In Saliva?

Vyvanse can stay in your saliva for up to two days after the last use.


How Long Does Vyvanse Stay In Hair?

A 1.5-inch hair sample can show if Vyvanse was used within the previous 90 days.

How Long Does Vyvanse Stay In Breastmilk?

It is unclear how long Vyvanse stays in the breast milk or whether it can impact a nursing baby. For this reason, some experts recommend avoiding Vyvanse if you are breastfeeding.

Side effects of Vyvanse

Vyvanse is the brand name for lisdexamfetamine dimesylate, a prodrug. It isn’t active in the body until it’s absorbed in the GI tract and converted to the active component dextroamphetamine, which belongs to the class of drugs known as amphetamines.
This drug is a federally controlled substance, which means it has the potential for abuse or dependence.


Vyvanse can begin working in the body as soon as the first dose. Like any medication, it may take a few weeks to adjust to side effects, and your doctor may need to adjust the dose over a period of time to figure out the correct dose.
Before using Vyvanse, tell your doctor if you have any pre-existing health conditions or if you take any other medications. Be sure to tell your doctor if you experience side effects. It’s illegal and dangerous to share your prescription with someone else.

Vyvanse and the central nervous system

Vyvanse works by altering the balance of chemicals in your brain and increasing norepinephrine and dopamine levels. Norepinephrine is a stimulant, and dopamine is a naturally occurring substance that stimulates feelings of pleasure and reward.
If you have ADHD, you may notice an improvement in your attention span. It can also help control hyperactivity and impulsiveness and improve concentration. It’s also used off label for treatment resistant depression and narcolepsy. It may improve depression, fatigue, sleepiness and wakefulness.
When used to treat binge-eating disorder, Vyvanse may help you binge less frequently.

Common side effects in the central nervous system include:

  • trouble sleeping
  • mild anxiety
  • feeling jittery or irritable
    Rare side effects include:
  • fatigue
  • extreme anxiety
  • panic attacks
  • mania
  • hallucinations
  • delusions
  • feelings of paranoia

Tell your doctor if you have a history of drug or alcohol abuse. Vyvanse can be habit-forming, especially if you take it for a long time, and it has a potential for abuse. You should not use this medication without a doctor’s supervision.
If you become dependent on amphetamines, stopping suddenly can cause you to go through withdrawal. Symptoms of withdrawal include:

  • shakiness
  • inability to sleep
  • excessive sweating
    Your doctor can help you lower the dose a little at a time so you can safely stop taking the drug.
    Some children may experience a slightly slower rate of growth while taking this medication. It’s not usually cause for concern, but your doctor will probably monitor your child’s development as a precaution.
    You shouldn’t take this medication if you’re taking a monoamine oxidase inhibitor, if you have heart disease, or if you’ve had a bad reaction to another stimulant drug.

Vyvanse and the circulatory and respiratory systems

One of the more common cardiovascular system side effects is a slightly faster heart rate. You may also have a substantial elevation in heart rate or blood pressure, but this is less common. It can also cause cardiac arrhythmias.
Vyvanse can also cause problems with circulation. You may have circulation problems if your fingers and toes feel cold or numb, or if your skin turns blue or red. If that happens, tell your doctor.
Rarely, Vyvanse can cause shortness of breath.


Vyvanse and the digestive system

Vyvanse can affect your digestive system. Some of the more common digestive system problems include:

  • dry mouth
  • nausea or vomiting
  • stomach pain
  • constipation
  • diarrhea
    Some people have a noticeable drop in appetite when taking this medication. This can lead to some weight loss, but Vyvanse isn’t a good weight loss treatment. It may lead to anorexia in some cases.
    It’s important to maintain a balanced diet and talk with your doctor if weight loss persists.

Vyvanse and other body systems

Amphetamines can pass through breast milk, so be sure to tell your doctor if you’re breastfeeding. Also, frequent or prolonged erections have been reported. If you have a prolonged erection, you should seek medical help.

Medication Precautions

You should not take Vyvanse if you are allergic to any of the ingredients in Vyvanse, or if you have taken a monoamine oxidase inhibitor (MAOI) within 14 days.

If you’re thinking of becoming pregnant, discuss the use of Vyvanse with your doctor. It is not known if it can cause fetal harm. Vyvanse is passed through breastmilk, so it is recommended that mothers do not nurse while taking it.
The safety of Vyvanse form children under age six has not been established. Store Vyvanse in a secure place out of the reach of children, and at room temperature. Do not share your Vyvanse prescription with anyone, even another person with ADHD. Sharing prescription medication is illegal, and can cause harm.

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