Pronunciation: GWAHN fa seen
Brand: Intuniv, Tenex
1 mg, oval, white, imprinted with TEVA, 5960
2 mg, oval, white, imprinted with TEVA, 5961
3 mg, oval, white, imprinted with TEVA, 5963
4 mg, oval, white, imprinted with TEVA, 5964
1 mg, round, orange, imprinted with LOGO, 850
2 mg, oval, orange, imprinted with LOGO, 851
3 mg, round, yellow, imprinted with LOGO, 853
4 mg, oval, yellow, imprinted with LOGO, 855
1 mg, round, white, imprinted with M, G4
2 mg, round, blue, imprinted with M, G5
1 mg, round, pink, imprinted with WATSON 444
2 mg, round, red, imprinted with WATSON 453
1 mg, oval, white, imprinted with AN, 711
2 mg, oval, white, imprinted with AN, 713
1 mg, round, white, imprinted with 503 1mg
2 mg, capsule, white, imprinted with 503, 2MG
3 mg, round, green, imprinted with 503, 3MG
4 mg, oblong, green, imprinted with 503, 4MG
1 mg, oval, white, imprinted with AN, 711
2 mg, oval, white, imprinted with AN, 713
1 mg, oval, white, imprinted with AN, 711
1 mg, round, pink, imprinted with WATSON 444
2 mg, oval, white, imprinted with AN, 713
2 mg, round, blue, imprinted with M, G5
1 mg, round, white, imprinted with A533, 1 mg
1 mg, round, white, imprinted with A533, 1 mg
1 mg, round, orange, imprinted with LOGO, 850
1 mg, round, white, imprinted with RJ70
2 mg, capsule, white, imprinted with A534, 2 mg
2 mg, oval, white, imprinted with A534, 2 mg
2 mg, oval, orange, imprinted with LOGO, 851
2 mg, oval, white, imprinted with RJ71
3 mg, round, blue, imprinted with A536, 3 mg
3 mg, round, blue, imprinted with A536, 3 mg
3 mg, round, yellow, imprinted with LOGO, 853
3 mg, round, green, imprinted with RJ72
4 mg, oval, blue, imprinted with A538, 4 mg
4 mg, oval, blue, imprinted with A538, 4 mg
4 mg, oval, yellow, imprinted with LOGO, 855
4 mg, oval, green, imprinted with RJ73
2 mg, diamond, yellow, imprinted with TENEX, 2 AHR
Guanfacine reduces nerve impulses in your heart and blood vessels. Guanfacine works by relaxing blood vessels, which lowers blood pressure and improves blood flow.
The Tenex brand of guanfacine is used to treat high blood pressure (hypertension). It is sometimes given with other blood pressure medications.
The Intuniv brand of guanfacine is used to treat attention deficit hyperactivity disorder (ADHD).
Guanfacine may also be used for purposes not listed in this medication guide.
You should not use guanfacine if you are allergic to it.
Intuniv is not approved for use by anyone younger than 6 years old. Tenex is not approved for use by anyone younger than 12 years old.
Tell your doctor if you have ever had:
It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.
It may not be safe to breast-feed a baby while you are using this medicine. Ask your doctor about any risks.
Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed.
Take Intuniv with a full glass of water, milk, or other liquid.
Take Tenex at bedtime to ease drowsiness.
Swallow the Intuniv tablet whole and do not crush, chew, or break it.
If a child is using this medicine, tell your doctor if the child has any changes in weight. Intuniv doses are based on weight in children, and any changes may affect your child's dose.
You should not stop using guanfacine suddenly. Stopping suddenly can raise your blood pressure and cause unpleasant symptoms.
Call your doctor if you are sick with vomiting and cannot take your medicine as usual.
Your dose needs may change if you switch to a different brand, strength, or form of this medicine. Avoid medication errors by using only the form and strength your doctor prescribes.
Your doctor will need to check your progress on a regular basis. Your blood pressure and heart rate may also need to be checked.
If you have high blood pressure, keep using Tenex even if you feel well. High blood pressure often has no symptoms. You may need to use blood pressure medicine for the rest of your life.
Store at room temperature away from moisture, heat, and light.
Avoid taking guanfacine with high-fat foods, or your body could absorb the medicine too quickly.
Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.
Call your doctor for instructions if you miss more than 2 doses in a row.
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
If you stop taking guanfacine, tell your doctor if you have headaches, confusion, rapid heartbeats, tremors, increased blood pressure, or if you feel nervous or agitated. If left untreated, these symptoms could lead to very high blood pressure, vision problems, or seizures.
Common side effects may include:
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Sometimes it is not safe to use certain medications at the same time. Some drugs can affect your blood levels of other drugs you take, which may increase side effects or make the medications less effective.
Using guanfacine with other drugs that make you drowsy can worsen this effect. Ask your doctor before using opioid medication, a sleeping pill, a muscle relaxer, or medicine for anxiety, depression, or seizures.
Tell your doctor about all your other medicines. Some may affect guanfacine, especially:
This list is not complete. Other drugs may affect guanfacine, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.
Copyright 1996-2022 Cerner Multum, Inc. Version: 11.01. Revision date: 3/15/2018.
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