Guanfacine ER

Medically Reviewed by Dr. Harshi Dhingra, M.D.

Last Reviewed: Mar 11, 2024

Common Questions


Common Questions about Guanfacine ER (Intuniv)


Is guanfacine only for ADHD?

The extended release tablets of guanfacine are used to treat ADHD in children. The immediate release (regular) guanfacine tablets are prescribed for high blood pressure.



Why take guanfacine at night?

Taking guanfacine ER at night can help to lessen daytime drowsiness.



What age is guanfacine for ADHD?

The extended release tablets of guanfacine are used to treat ADHD in children and adolescents between 6 and 17 years of age.



How long does it take for guanfacine to kick in?

It usually takes 2 weeks or longer for guanfacine ER to control symptoms of ADHD and for you to get the full benefits of this medicine.



Can adults take guanfacine ER?

Guanfacine ER is FDA-approved for children 6-17 years of age with ADHD. This medicine is not an approved ADHD medicine in adults. There isn’t enough evidence that it works well in people 18 years of age and above. However, it is sometimes used off-label in adults with ADHD.



What is the price of guanfacine without insurance?

Without insurance, guanfacine can be as high as $323.39, but with a free BuzzRx prescription discount coupon, you could pay as low as $21.74 for the most common version of this medication. Use the BuzzRx drug price look-up tool to find the lowest discounted price, and be sure to enter the correct dosage, form, and quantity for the most accurate pricing. While generics tend to have the best savings, you can also use your BuzzRx card and coupons to purchase brand-name versions. It never hurts to ask your pharmacist to try BuzzRx when filling or refilling any of your prescription drugs—whether you have insurance or not.



What is the price of guanfacine with insurance?

Ask your pharmacist or insurance provider for your copay price on guanfacine—Copay amounts vary depending on the type of insurance plan you have and if there is a deductible to reach before prescription drug coverage begins.

You could save up to 80% on your prescription medication with a free BuzzRx discount coupon for guanfacine. When using the BuzzRx lookup tool to find the price of your medicine, be sure to enter the correct dosage, form, and quantity to receive the most accurate discounted pricing. It never hurts to ask your pharmacist to try BuzzRx when filling or refilling any of your prescriptions—whether you have insurance or not.