The Dangers of Guanfacine: What You Need to Know About the Drug


If you are taking guanfacine, you must know about the potential side effects of the drug. Although it is generally safe and effective, there are some risks associated with its use. In this blog post, we will discuss the dangers of guanfacine and what you need to know before starting treatment.

What Is Guanfacine?

What Is Guanfacine

Guanfacine is a drug that used to treat ADHD and hypertension. It is a type of medication known as an alpha-agonist. Actually, it works by relaxing the muscles in the blood vessels, which lowers blood pressure. In markets, it is also available as a tablet or an extended-release tablet.

Guanfacine, also known as Intuniv, is a medication prescribed to treat attention deficit hyperactivity disorder. It can impact the central nervous system and can cause several side effects. The most common side effects are drowsiness, dry mouth, and headache. These side effects are usually mild and go away after a few days. However, there are some more serious risks associated with the drug. We’ll go through those risks in this blog post below.

It works by activating the alpha-adrenergic receptors in the brain. This causes the blood vessels to relax and lowers blood pressure. It also has a calming effect on the brain, which may help to improve ADHD symptoms.

How To Take Guanfacine?

Follow the doctor’s instructions on how to take guanfacine. Do not take more or less than the prescribed dose.

Guanfacine can also cause serious side effects, such as slow heart rate do not stop taking the medication without talking to your doctor first. Store the medication at room temperature and keep it out of reach of children.

Always consult with a physician before stopping or starting any medications. The purpose of this blog post is to provide general information about the drug and its potential side effects. It is not meant to be a substitute for professional medical advice.

Be a lifesaving drug for some people with ADHD, but it’s important to be aware of the dangers associated with taking it. Always follow your doctor’s instructions on how to take guanfacine and contact them if you experience any adverse side effects.

Guanfacine Dosage Information

guanfacine dosage information

Dosage for Adults

Initial dosage: 0.25 mg to 0.50 mg orally once a day

Maintenance dosage: 0.25 mg to 0.50 mg orally once a day, up to a maximum of four doses per day

Pediatric Dosage for Children

Initial dosage: 0.05 mg to 0.20 mg orally once a day

Maximum daily dosage: 0.50 mg

In rare cases, it can cause more serious side effects such as heart problems, low blood pressure, and liver problems. It is important to consult with a doctor before taking guanfacine to make sure the drug is safe for you.

Be sure to tell your doctor if you are pregnant or breastfeeding before taking guanfacine. The drug should not be taken by children under the age of six. It is important to take guanfacine as prescribed by your doctor and never exceed the maximum daily dosage. If you experience any side effects while taking guanfacine, contact your doctor immediately.

Be sure to read the patient information leaflet for more information on guanfacine.

What Happens In Case of High Dosage?

what happend in case of high dosage

In case you took an overdose of guanfacine, you must seek medical help immediately. The symptoms of an overdose may include:

  • Drowsiness
  • Low blood pressure
  • Slow heart rate
  • Weak pulse
  • Coma

If you observe any of these symptoms, seek medical help without any delay. Even if the person does not exhibit any symptoms, it is still important to seek medical attention as soon as possible. This is because an overdose of guanfacine can lead to serious complications such as low blood pressure and even coma.

What Should You Avoid While Taking Guanfacine?

what should you avoid while taking guanfacine

When you’re taking Guanfacine, there are some things you’ll need to avoid. For example, you should avoid drinking alcohol while taking the medication.

Guanfacine can also cause dizziness, so you should avoid driving or operating heavy machinery until you know how the medication affects you. Finally, Guanfacine can lower blood pressure, so be sure to tell your doctor if you experience any dizziness or fainting.

Side Effects of Guanfacine?

side effects of guanfacine

There are some side effects associated with guanfacine. First and foremost, it can cause dangerously low blood pressure. This can lead to several serious health complications, including heart attacks and strokes.

Additionally, it can also cause sedation, dizziness, and headaches. If you are taking guanfacine, it is important to be aware of these potential side effects and if you report any problems then immediately talk to your doctor.

It is crucial to remember that it can interact with other drugs, including prescription medications and over-the-counter remedies. Be sure to tell your doctor about all the medications you are taking, both prescription and over-the-counter, before starting guanfacine therapy.

Guanfacine can cause several other side effects, including:

  • Drowsiness
  • Headache
  • Sedation
  • Dry mouth
  • Blurred vision
  • Nasal congestion
  • Constipation
  • Difficulty urinating
  • Impotence
  • Weight gain or loss.

It is important to be aware of the potential side effects of guanfacine before starting therapy. Report any problems you experience to your doctor immediately. Additionally, be sure to tell your doctor about all the medications you are taking,


In conclusion, it is important to be aware of the potential dangers of guanfacine before taking it. While it may an effective treatment for ADHD, several potential side effects can occur. It is important to discuss all of the risks and benefits of guanfacine with your doctor before starting treatment.

If you are experiencing any of the side effects listed above, be sure to speak with your doctor right away. While most people tolerate guanfacine well, it is important to be aware of the potential risks involved. Thanks for reading!

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