What Should I Tell My Child's Healthcare Provider?Before your child takes this medication, talk to the healthcare provider if your child has:
- Low blood pressure (orthostatic hypotension)
- An irregular heart rhythm (arrhythmia)
- A slow heart rate (bradycardia)
- A history of fainting
- Any allergies, including to food, dyes, or preservatives.
Also, let your healthcare provider know if your child is:
- Pregnant or thinking of becoming pregnant (see Intuniv and Pregnancy)
- Breastfeeding (see Intuniv and Breastfeeding).
Make sure to tell your child's healthcare provider about all of the medicines your child takes, including prescription and nonprescription medication, vitamins, and herbal supplements.
(Click Precautions and Warnings With Guanfacine ER to learn more, including information on who should not take the drug.)
How Does Guanfacine ER Work?Guanfacine ER is a long-acting form of a medication that has been used for decades to treat high blood pressure. It belongs to a class of medications known as alpha-2a adrenergic receptor agonists. At this time, it is unknown exactly how guanfacine ER works to treat ADHD.
Clinical EffectsIn short-term studies (lasting up to nine weeks), this medication was shown to be superior to a placebo (a "sugar pill" with no active ingredients) for treating ADHD symptoms. Long-term, placebo-controlled studies have not yet been conducted with this medication.