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Guanfacine ER Coupon & Discounts

Save on Guanfacine ER at your pharmacy with the free discount below.

Guanfacine ER (generic Intuniv) is a medication sometimes prescribed for attention-deficit hyperactivity disorder (ADHD). It is approved for use in adults and children who are at least 6. Unfortunately, without insurance coverage or any other patient assistance, the guanfacine ER cost can be high. Exact costs v ... Read more

Guanfacine ER Discount

Savings with HelpRx discount up to:

75% Off

on Guanfacine ER

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*The discount percent is an estimate based off recent cardholder data. Valid as of May 23, 2018

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Guanfacine ER Information:

What is guanfacine ER?

Guanfacine ER is an extended-release central alpha agonist. Its exact mechanism of action is not known, but it is believed to treat ADHD by affecting the parts of the brain associated with working memory, attention, and impulse control. It is sometimes prescribed alongside an ADHD stimulant medication (such as Adderall or Focalin) to help reduce inattention, hyperactivity, impulsivity, and disruptive behavior.

How do I take guanfacine ER?

Because guanfacine ER is an extended release drug, you will likely only need to take it once a day (but defer to your doctor if he or she gives you different dosage instructions). Do not chew or split open your guanfacine ER tablets, since this can cause the medicine to be released too quickly in your body. Avoid taking this drug with a meal that is high in fat, since this can also affect the way the medicine is absorbed in your body.

Before taking guanfacine ER, tell your doctor if:

  • You are allergic to this medication, or you have any other allergies
  • You are taking any other prescription or over-the-counter drugs or supplements
  • You have kidney or liver disease
  • You have any heart problems or have recently had a heart attack
  • You have a history of stroke or coronary artery disease
  • You have high or low blood pressure or a history of fainting
  • You have a personal or family history of mental disorders
  • You are breastfeeding, pregnant, or trying to become pregnant

What are the possible side effects of taking guanfacine ER?

Guanfacine ER may cause mild dizziness, drowsiness, dry mouth, stomach pain, nausea, or headache. These side effects usually aren’t cause for concern, but tell your doctor if you have any mild side effects that last a long time or become severe. Call your doctor right away if you have any very serious side effects, including an irregular heartbeat, new or worsening depression, suicidal thoughts, hallucinations, or fainting.

What if I forget to take a dose of guanfacine ER?

It is important to take guanfacine ER on a regular schedule. If you do forget, take the missed dose as soon as you remember, unless it is almost time for your next scheduled dose. In this case, skip the missed dose and continue with your regular dosage schedule. Contact your doctor to find out what to do if you miss two or more doses in a row.

How do I store guanfacine ER?

Store guanfacine ER in a tightly sealed container at room temperature. Keep this medicine away from bright light and moisture, and do not leave it anywhere that children or pets could easily access. If you no longer need this medication or it has expired, ask your pharmacist how to safely dispose of it.

What happens if I overdose on guanfacine ER?

Overdosing on guanfacine ER can be dangerous and may lead to severe dizziness or drowsiness, pupil contraction, and a slow heartbeat. If you suspect that you or someone in your household has overdosed on this drug, seek emergency medical attention.


Guanfacine ER may make you feel dizzy or drowsy, so avoid driving and performing other tasks that require clear vision and focus until you know you can do so safely. If you do become severely lightheaded, sit or lie down immediately to avoid fainting. Avoid alcoholic beverages, since alcohol can make certain side effects worse.


Brand Names

Intuniv is the brand name form of guanfacine ER. The generic is usually less expensive, but you can reduce the cost even more with a HelpRx guanfacine ER coupon.

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“The price for my prescription has gone up the past year and paying the out of pocket cost was getting increasingly difficult. Now, through HelpRx I’ve saved hundreds! Thank you HelpRx” - Janet Larsen - Austin, TX

Guanfacine ER Information:

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About Our Savings: is a discount pharmacy service, partnered with a leading pharmacy benefit manager. We negotiate lower prices on prescription medications, that we pass on to our members for free. There is no cost to use our cards and coupon, and anyone can take advantage of our discounts, regardless of healthcare coverage.

Our savings assurance of “up to 75% off” comes from historical data from actual claims. This data includes savings for both brand name and generic medications.