Vyvanse (also known by its generic name, lisdexamfetamine) is a commonly prescribed medication for the treatment of both attention deficit hyperactivity disorder (ADHD) and binge eating disorder.

However, as with all pharmacological treatments, it’s important to understand how long Vyvanse lasts before re-dosing is necessary.

In this article, we’ll be going over several answers to common questions about Vyvanse that our readers have asked us. If you’re unsure of anything regarding the effects of vyvanse, keep reading to discover more!

How Long Does Vyvanse Last?

When dosed according to prescribed instructions, Vyvanse should last anywhere from 6 to 10 hours.

That being said, it’s also important to understand that the effects of Vyvanse can be unpredictable in certain scenarios.

One variable that can influence how long Vyvanse lasts is whether or not you’ve consumed any food with your medication. Vyvanse, like many other medications, may interact with certain foods to cause it to be absorbed into the bloodstream more slowly—meaning that its effects will last for longer.

While Vyvanse can be taken with or without food, it’s important to understand that doing so will likely cause its effects to differ. Taking Vyvanse on an empty stomach is most likely to result in its effects being felt sooner.

Can You Overdose On Vyvanse?

When dosed according to prescribed instructions, it’s unlikely that you’ll ever accidentally overdose on Vyvanse.

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However, if you consume an excessive amount of Vyvanse, there’s still a chance that you could become seriously ill as a result.

Since Vyvanse is a stimulant, an overdose of it can result in the same adverse effects as an overdose of caffeine, including rapid heartbeat and/or seizures.

If you’re uncertain about your dosage, it’s important that you consult a medical professional before dosing again.

How Long Does Vyvanse Take to Work?

It’s common for people to wonder how long Vyvanse will take to work.
As mentioned above, Vyvanse has been known to last for 6 to 10 hours when consumed according to prescribed instructions.

That being said, its effects are likely to be felt sooner than that.
It’s important to understand that any time you consume a new medication, there may be a slight delay before you begin to feel its effects.

This delay is often due to the fact that the medication has to travel through your digestive system and be absorbed into your bloodstream.

As a result, you may feel Vyvanse’s effects anywhere from 30 minutes to a few hours after consuming it.

How Much Does Vyvanse Cost?

The cost of Vyvanse can vary depending on a number of factors, including the dosage and brand of the medication.

However, in general, Vyvanse can be found to be relatively affordable.

For example, you can expect to pay anywhere from $30 to $60 per 30-day supply of Vyvanse depending on your dosage.

Interestingly enough, Vyvanse is also used to treat certain patients with chronic pain. If you have been diagnosed with chronic pain, Vyvanse may be covered by your insurance.

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Check with your insurance provider to learn more about coverage for Vyvanse.

When Does Vyvanse Wear Off?

Like most other medications, Vyvanse will eventually wear off.
As a result, it’s important to be prepared for when Vyvanse no longer has an effect.

For example, you may want to refrain from driving while dosed on Vyvanse, especially if you notice that it’s wearing off.

As a stimulant, Vyvanse can cause you to feel more energized—leading you to be more likely to be careless and/or inattentive while driving.

What Are the Side Effects of Vyvanse?


Just like with any medication, there are certain side effects that may occur when taking Vyvanse. Vyvanse side effects may include:

These side effects are most likely to occur when consuming too much or too little Vyvanse.

When taking Vyvanse, it’s important to always consume the dosage that your doctor recommends.

If your side effects are severe, or if you begin to notice that they aren’t going away, you should contact your doctor.

Is Vyvanse Safe?

Generally speaking, Vyvanse is safe when used according to prescribed instructions.
However, it’s important to note that all medications have potential side effects.

That being said, it’s important to understand that these side effects are typically mild and/or uncommon.

If you notice that your side effects are severe, or if they don’t go away, you should contact your doctor.

Final Words

Vyvanse can be a very effective medication for treating ADHD, binge eating disorder, and chronic pain. As with all medications, it’s important to understand how long Vyvanse lasts before re-dosing is necessary.

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If you’re currently taking Vyvanse and would like to learn more about how long it lasts, keep reading! We’ve covered everything you need to know about Vyvanse in this article.

If you have any other questions about Vyvanse, don’t hesitate to comment below. We’d love to discuss this and any other related topics with you!


David Warren
Author

David Warren is a pharmaceutical specialist that dispenses prescription medication on a daily basis. He received a Bachelor of Science degree in pharmacy from the University of Tennessee in 1991. With over 50 publications on medication-related and pharmacy topics, David has been able to share his experiences and knowledge with others. David with lots of experience and knowledge in medications that are utilized to treat a wide range of medical conditions. Before David dispenses a medication to a patient, he will go over the side effects, dosage recommendation and contraindications.