From Pharmacy Drug Guide
Intuniv® is a prescription medication approved by the FDA as a treatment option for attention deficit hyperactivity disorder, also known as ADHD, in children ages 6-17. Intuniv® is an alternative to stimulant-based treatment options for ADHD. Common [Intuniv Side Effects|Intuniv® side effects]] include fatigue, dizziness, and gastro-intestinal symptoms. Unlike some other ADHD medications, Intuniv® has not been shown to have a potential for abuse, and is not a federally controlled substance. 
|Brand name for||Guanfacine|
|Common side effects||Low blood pressure, drowsiness, headache, nausea, irritability, constipation and stomach pain|
|Disclaimer||The information provided by PharmacyDrugGuide.com is not a substitute for professional medical advice, diagnosis, or treatment. Do not take any action based on the information on this page without consulting a physician.|
Common Intuniv Side Effects
Common side effects throughout clinical trials included low heart rate and blood pressure, headache, nausea, irritability, constipation, decreased appetite, stomach pain and dizziness. Trial participants also experienced drowsiness or fainting (syncope).
Slow heartbeat, mood changes or fainting while taking Intuniv® may indicate a serious problem and warrant immediate medical attention. Patients are advised to drink plenty of liquids and avoid getting overheated while taking Intuniv®.
Intuniv Allergic Reactions
Allergic reactions to Intuniv® are considered rare. However, any patient experiencing swelling, severe dizziness, difficulty breathing or a rash may be experiencing serious allergies that require prompt treatment. Patients who are allergic to guanfacine, or any other ingredient in Intuniv® are likely to experience reactions to the drug.
Intuniv Precautions and Warnings
Intuniv® may cause issues among patients with histories of liver or kidney ailments, passing out, low heart rate or abnormal blood pressure.
Taking Intuniv® along with prescription or OTC medications that cause sleepiness or with alcohol can increase the side effect of drowsiness. Patients taking Intuniv® may find some relief from dry mouth symptoms by sucking on sugarless hard candy or ice chips, as well as by chewing sugarless gum.
As the medication can impair abilities, patients are advised by the the Intuniv® manufacturer, Shire, not to drive or operate heavy equipment until they understand how the medication will affect them.
Although Intuniv® typically does not create dependency, there is potential for abuse just as with any drug. Abuse can occur when those who are not prescribed this medication take it for any other reason other than its intended purpose. Abuse can also occur when too high a dose is consumed. One out of every seven teenagers claims to have abused prescription medications within the past year.
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