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A clinical study demonstrated that children who took Quillivant XR® (methylphenidate hydrochloride) had improved attention and behavior when compared to those who took a sugar syrup*

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The study was performed in a laboratory classroom setting. At the end of each week, teachers and raters used a rating scale (SKAMP) to evaluate the efficacy of Quillivant XR on attention and behavior in children with ADHD ages 6 to 12 when compared to children taking a sugar syrup.*

Children taking Quillivant XR showed improved attention and behavior from 45 minutes to 12 hours after taking when compared with those children who took sugar syrup.*

What are the possible side effects of Quillivant XR?
Quillivant XR may cause serious side effects, including:
  • See “What is the most important information I should know about Quillivant XR?” for information on reported heart and mental problems
Other serious side effects include:
  • Painful and prolonged erections (priapism) have occurred with methylphenidate. If you or your child develop priapism seek medical help right away. Because priapism can cause long-lasting damage, it should be checked by a healthcare provider right away
  • Slowing of growth (height and weight) in children
Common side effects include:
  • Decreased appetite
  • Trouble sleeping
  • Nausea
  • Vomiting
  • Indigestion
  • Stomach pain
  • Weight loss
  • Anxiety
  • Dizziness
  • Irritability
  • Mood swings
  • Fast heart beat
  • Increased blood pressure

These are not all the possible side effects of Quillivant XR.

Call your healthcare provider for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Did you know...?
You may be able to save on your child’s Quillivant XR prescription. Download the savings card.

*In a clinical study performed in a laboratory classroom, Quillivant XR was found effective at reducing the symptoms of ADHD in children ages 6-12 years at all measured times (45 minutes; 2, 4, 8, 10, and 12 hours after taking) compared to a sugar syrup.

Important Safety Information & Approved Use

DYANAVEL XR, Quillivant XR, and QuilliChew ER are federally controlled substances (CII) because they can be abused or lead to dependence. Keep these medicines in a safe place to prevent misuse and abuse. Selling or giving away these medicines may harm others and is against the law. Tell your doctor if you, your child, or any family members have ever abused or been dependent on alcohol, prescription medicines, or street drugs.

See Additional Important Safety Information.