What Guanfacine Extended-Release Tablets is used for and how to use it
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Guanfacine (Gwahn-fa-seen) Extended-Release Tablets – Consumer Medicine Information

Manufacture: Actavis
Country: United States
Condition: ADHD (Attention Deficit Hyperactivity Disorder), High Blood Pressure (Hypertension)
Class: Antiadrenergic agents, centrally acting
Form: Tablets
Ingredients: Guanfacine Hydrochloride, Colloidal Silicon Dioxide, Crospovidone, Fumaric Acid, Glyceryl Behenate, Hydroxypropyl Cellulose, Hypromellose, Lactose Monohydrate, Microcrystalline Cellulose, and Povidone. In Addition, The 1 Mg And 2 Mg Tablets Contain Fd and C Yellow #6 Aluminum Lake And The 3 Mg And 4 Mg Tablets Contain D and C Yellow #10

Read the Patient Information that comes with guanfacine extended-release before you start taking it and each time you get a refill. There may be new information. This leaflet does not take the place of talking with your doctor about your medical condition or your treatment.

What is guanfacine extended-release?

Guanfacine extended-release is a prescription medicine used to treat the symptoms of attention deficit/hyperactivity disorder (ADHD).

Guanfacine extended-release is not a central nervous system (CNS) stimulant.

What should I tell my doctor before taking guanfacine extended-release?

Before you take guanfacine extended-release, tell your doctor if you:

  • have heart problems or a low heart rate
  • have fainted
  • have low blood pressure
  • have liver or kidney problems
  • have any other medical conditions
  • are pregnant or plan to become pregnant. It is not known if guanfacine extended-release will harm your unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant.
  • are breastfeeding or plan to breastfeed. It is not known if guanfacine extended-release passes into your breast milk. Talk to your doctor about the best way to feed your baby while taking guanfacine extended- release.

Tell your doctor about all of the medicines you take, including prescription and non-prescription medicines, vitamins, and herbal supplements.

Guanfacine extended-release may affect the way other medicines work, and other medicines may affect how guanfacine extended-release works.

Especially tell your doctor if you take:

  • ketoconazole
  • medicines that can affect enzyme metabolism
  • high blood pressure medicine
  • sedatives
  • benzodiazepines
  • barbiturates
  • antipsychotics

Ask your doctor or pharmacist for a list of these medicines, if you are not sure.

Know the medicines you take. Keep a list of them and show it to your doctor and pharmacist when you get a new medicine.

How should I take guanfacine extended-release?

  • Take guanfacine extended-release exactly as your doctor tells you.
  • Your doctor may change your dose. Do not change your dose of guanfacine extended-release without talking to your doctor.
  • Do not stop taking guanfacine extended-release without talking to your doctor.
  • Guanfacine extended-release should be taken 1 time a day in the morning or in the evening, either alone or in combination with an ADHD stimulant medication that your doctor may prescribe. Your doctor will tell you when to take guanfacine extended-release and when to take your ADHD stimulant medication.
  • Guanfacine extended-release tablets should be swallowed whole with a small amount of water, milk, or other liquid.
  • Do not crush, chew, or break guanfacine extended-release tablets. Tell your doctor if you cannot swallow guanfacine extended-release tablets whole.
  • Do not take guanfacine extended-release with a high-fat meal.
  • Your doctor will check your blood pressure and heart rate while you take guanfacine extended-release.
  • If you take too much guanfacine extended-release, call your local Poison Control Center or go to the nearest emergency room right away.

What should I avoid while taking guanfacine extended-release?

  • Do not drive, operate heavy machinery, or do other dangerous activities until you know how guanfacine extended-release affects you. Guanfacine extended-release can slow your thinking and motor skills.
  • Do not drink alcohol or take other medicines that make you sleepy or dizzy while taking guanfacine extended-release until you talk with your doctor. Guanfacine extended-release taken with alcohol or medicines that cause sleepiness or dizziness may make your sleepiness or dizziness worse.

What are the possible side effects of guanfacine extended-release?

Guanfacine extended-release may cause serious side effects including:

  • low blood pressure
  • low heart rate
  • fainting
  • sleepiness

Get medical help right away, if you have any of the symptoms listed above.

The most common side effects of guanfacine extended-release include:

  • sleepiness
  • nausea
  • tiredness
  • stomach pain
  • trouble sleeping
  • dizziness
  • low blood pressure

Tell the doctor if you have any side effect that bothers you or that does not go away.

These are not all the possible side effects of guanfacine extended-release. For more information, ask your doctor or pharmacist.

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA- 1088.

How should I store guanfacine extended-release tablets?

  • Store guanfacine extended-release tablets between 59°F to 86°F (15°C to 30°C)

Keep guanfacine extended-release tablets and all medicines out of the reach of children.

General Information about guanfacine extended-release tablets

Medicines are sometimes prescribed for purposes other than those listed in a Patient Information Leaflet. Do not use guanfacine extended-release for a condition for which it was not prescribed. Do not give guanfacine extended-release to other people, even if they have the same symptoms that you have. It may harm them.

This leaflet summarizes the most important information about guanfacine extended-release. If you would like more information, talk with your doctor. You can ask your pharmacist or doctor for information about guanfacine extended-release that is written for health professionals.

For more information, you can call Actavis at 1-800-432-8534.

What are the ingredients in guanfacine extended-release tablets?

Active ingredient: guanfacine hydrochloride, USP

Inactive ingredients: colloidal silicon dioxide, crospovidone, fumaric acid, glyceryl behenate, hydroxypropyl cellulose, hypromellose, lactose monohydrate, microcrystalline cellulose, and povidone. In addition, the 1 mg and 2 mg tablets contain FD and C Yellow #6 Aluminum Lake and the 3 mg and 4 mg tablets contain D and C Yellow #10.