Vyvanse

Medically Reviewed by HaVy Ngo, Pharm.D.

Last Reviewed: Jun 07, 2022

Common Questions


Common Questions about Vyvanse (lisdexamfetamine)


Is Vyvanse as strong as Adderall? 

Both Vyvanse and Adderall are almost equally effective, and neither one is stronger unless indicated by the dosage. However, Vyvanse’s effect lasts a bit longer than the extended-release version of Adderall--14 hours and 12 hours, respectively.

One medication may work better for one person than the other, so it all comes down to how your body reacts to either medication.



What is a good substitute for Vyvanse? 

Vyvanse is considered a central nervous system (CNS) stimulant. Other stimulants that are also used to treat ADHD are Adderall, Adderall XR, and Concerta. Non-stimulant medications that can be used to treat ADHD are Strattera and Intuniv XR. Your doctor and pharmacist can discuss different treatment options with you. 



How can I get Vyvanse cheaper?

Unfortunately, Vyvanse is not available as a generic drug product. One option is to search for a manufacturer coupon. However, Vyvanse savings can be achieved simply by using the BuzzRx savings program. BuzzRx offers a free Vyvanse coupon that can substantially bring down the cost of Vyvanse at major pharmacies such as CVS, Walgreens, and many others.



Can Vyvanse cause rapid weight loss?

Vyvanse can cause weight loss as a side effect. Even though Vyvanse is an appetite suppressant, this medicine is not recommended for weight loss or obesity. The FDA approved Vyvanse as an option to treat severe binge eating disorder in adults. 



How does Vyvanse make you feel? 

The FDA indicates Vyvanse for the treatment of ADHD. Therefore, Vyvanse can make you feel more focused and alert. Taking more than the prescribed dose or a large dose can result in a feeling of euphoria or happiness. That’s why some people abuse Vyvanse. However, misuse and abuse of Vyvanse can lead to dependence and withdrawal symptoms. Talk to your doctor with you or someone you know needs help with drug addiction. 



Is Vyvanse good for anxiety? 

Vyvanse is not an anti-anxiety medication. However, keep in mind that ADHD can lead to anxiety. Therefore, reducing ADHD symptoms can indirectly help with anxiety.



What dosages are available for Vyvanse?

Vyvanse is available in the following strengths: 10mg - 70mg. This drug is available in the following forms: capsule, chewable tablet. Make sure to follow your prescription regimen according to your doctor’s instructions.



What is the difference between Adderall and Vyvanse?

The difference between Adderall and Vyvanse is that Adderall contains a combination of the active ingredients amphetamine and dextroamphetamine, and Vyvanse contains lisdexamfetamine. Both are stimulant drugs used to treat attention deficit hyperactivity disorder (ADHD), and both are available as chewable tablets for ease of use.  



What does Vyvanse do to the body?

Vyvanse increases the naturally-occurring neurotransmitters norepinephrine and dopamine levels in the brain. Norepinephrine increases alertness, arousal, and attention, whereas dopamine signals feelings of pleasure and reward. If you have been diagnosed with ADHD, you may notice an increased attention span on this stimulant medication.



How long does it take Vyvanse to wear off?

Vyvanse effects can last up to 14 hours. The half-life of Vyvanse’s active metabolite, dextroamphetamine, is about 12 hours, and Vyvanse stays in your body for about 2 to 3 days. However, the half-life and elimination rate depend on many factors, including age, weight, genetics, Vyvanse dosage, and other current medications and medical conditions.



What does Vyvanse do to the body?

Vyvanse increases the naturally-occurring neurotransmitters norepinephrine and dopamine levels in the brain. Norepinephrine increases alertness, arousal, and attention, whereas dopamine signals feelings of pleasure and reward. If you have been diagnosed with ADHD, you may notice an increased attention span on this stimulant medication.



How long does Vyvanse take to wear off?

Vyvanse effects can last up to 14 hours. The half-life of Vyvanse’s active metabolite, dextroamphetamine, is about 12 hours, and Vyvanse stays in your body for about 2 to 3 days. However, the half-life and elimination rate depend on many factors, including age, weight, genetics, Vyvanse dosage, and other current medications and medical conditions.



Does Vyvanse suppress appetite?

Yes, one of the side effects of Vyvanse is that it suppresses appetite. For this reason, it’s been approved by the FDA to treat binge eating disorder; however, it is not recommended as a weight-loss tool. 



What is Vyvanse used for besides ADHD?

Besides ADHD, Vyvanse is used to treat binge eating disorder.



Does Vyvanse work right away?

Vyvanse (lisdexamfetamine) begins to work 1.5 to 2 hours after taking the Vyvanse capsules. Vyvanse’s peak effects occur in 3 to 4 hours after taking the oral doses and can last up to 14 hours.



Is Vyvanse habit-forming?

The FDA classifies lisdexamfetamine, the main ingredient in Vyvanse, as a schedule II substance, meaning Vyvanse may be habit-forming, leading to psychological and physical dependence with an increased risk of drug abuse. However, because it is long-acting, Vyvanse may be less habit-forming than other medications for ADHD such as the immediate-release form of Adderall. Make sure that you keep track of the medication and never take more than prescribed as it can cause heart attack, stroke, and sudden death.



Why is Vyvanse not covered by insurance?

Vyvanse is not covered by many insurance providers because Vyvanse is a new medication under patent, and therefore no generic alternative is available for Vyvanse treatment. Many insurance companies only cover generic forms of other ADHD medications since they are less expensive.



What happens if someone without ADHD takes Vyvanse?

If someone without ADHD takes Vyvanse or other ADHD medications, they may experience an increase in energy, a decreased need for food and sleep, feelings of euphoria, talkativeness, anxiety, and irritability. Many studies show that taking ADHD medication does not improve academic performance. 



Is Vyvanse a narcotic?

No, Vyvanse is not a narcotic, it is a stimulant therapy called amphetamine. Narcotics usually refer to opioid drugs. According to the FDA, Vyvanse is a Schedule II controlled substance because it can be habit-forming and lead to drug abuse or dependence. 


Does Vyvanse make you feel the same as Adderall?

Vyvanse and Adderall are both amphetamines with similar effects that treat the symptoms of ADHD. Studies have shown that Vyvanse is just as effective as Adderall, with similar side effects and drug interaction profiles. 


What are the side effects of Vyvanse?

Some common side effects of Vyvanse include: 

  • Dry mouth, nausea, vomiting, diarrhea, constipation, belly discomfort, or pain
  • Anxiety, irritability, dizziness, headache
  • Insomnia (problem falling asleep or staying asleep)
  • Fast, irregular heart rate 
  • Decreased appetite, weight loss