What Is INTUNIV?

Whether your child was just prescribed INTUNIV or you're doing research to stay informed, you're in the right place to get the facts you need about INTUNIV. INTUNIV is a nonstimulant prescription medicine used to treat ADHD in patients ages 6 to 17. In clinical studies, INTUNIV was shown to improve the symptoms of ADHD, both alone and when added to a stimulant. Explore the pages in this section to learn more about how INTUNIV may help, possible side effects, dosing, and more.


  • Why INTUNIV?
    Adding nonstimulant INTUNIV is another option to treat ADHD. In a clinical study, doctors saw about 30% improvement in ADHD symptoms when INTUNIV was added to a stimulant compared with a sugar pill added to a stimulant. Learn more about INTUNIV.
  • How to Take INTUNIV: Dosing
    INTUNIV is taken once a day and comes in 4 doses—1 mg, 2 mg, 3 mg, and 4 mg. In your child's first weeks on INTUNIV, you'll work with the doctor to find the right dose. Get more INTUNIV dosing information.
  • INTUNIV Side Effects
    Your child may have some side effects when taking INTUNIV. In clinical studies, the most common side effects of INTUNIV included sleepiness, tiredness, trouble sleeping, low blood pressure, nausea, stomach pain, and dizziness. Find out more about possible side effects with INTUNIV.

What is INTUNIV?

INTUNIV is a prescription medicine used to treat Attention-Deficit/Hyperactivity Disorder (ADHD) in patients ages 6 to 17. INTUNIV may be used alone or added to an ADHD stimulant medicine. INTUNIV was shown to work in clinical studies lasting up to 8 weeks.

Important Safety Information About INTUNIV

Patients should not take INTUNIV if they are allergic to guanfacine or other ingredients in INTUNIV, or other medicines containing guanfacine. Tell the doctor about all medicines, vitamins, and herbal supplements your child is taking.

INTUNIV may cause serious side effects including low blood pressure, low heart rate, fainting, and sleepiness.

Before starting INTUNIV, tell the doctor if your child has low blood pressure, low heart rate, heart problems, has fainted, has liver or kidney problems, or has any other medical condition. You should also tell the doctor if your child is pregnant, breast-feeding, or plans to become pregnant or breast-feed.

Patients should drink plenty of water and not get overheated while taking INTUNIV.

Patients should not drive or use machinery like lawn mowers or power tools until they know how INTUNIV affects them. INTUNIV can slow thinking and motor skills. While taking INTUNIV, patients should not drink alcohol or take other medicines that can cause sleepiness or dizziness because these symptoms may get worse.

The most common side effects of INTUNIV include sleepiness, tiredness, trouble sleeping, low blood pressure, nausea, stomach pain, and dizziness.

INTUNIV should be swallowed whole without crushing, chewing, or breaking the tablet. INTUNIV should not be taken with a high-fat meal. Do not change the dose or stop INTUNIV without talking with the doctor. The doctor will regularly check your child's blood pressure and heart rate.

Please see Full Prescribing Information, including Patient Information.

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch or call 1-800-FDA-1088.

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