Safety Information for INTUNIV
Important things to know 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.
Do you know the side effects of INTUNIV?
INTUNIV may cause serious side effects including low blood pressure, low heart rate, fainting, and sleepiness.
The most common side effects of INTUNIV include sleepiness, tiredness, trouble sleeping, low blood pressure, nausea, stomach pain, and dizziness.
The doctor will regularly check your child's blood pressure and heart rate.
What should I tell the doctor before my child takes INTUNIV?
Before starting INTUNIV, tell the doctor if your child has low blood pressure, low heart rate, heart problems, has fainted, or has liver or kidney problems. You should also tell the doctor if your child is pregnant, breast-feeding or plans to become pregnant or breast-feed, or has any other medical condition.
What should be avoided while taking INTUNIV?
Patients should drink plenty of water and not get overheated while taking INTUNIV.
INTUNIV can make your child sleepy
One of the most common side effects of INTUNIV is sleepiness. The doctor may ask you or your child to show how sleepy your child is by using a picture-based scale like the one below.

Why is this important?
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 become worse.
Your child may not always let you know about side effects, so be sure to ask how he or she is feeling. Tell the doctor about side effects that bother your child or that do not go away. The doctor may change your child's dose of INTUNIV.