Guanfacine for Anxiety: Learn how this non-stimulant medication, Intuniv, works off-label for anxiety, its benefits, side effects, and tips to take Guanfacine safely

Is Guanfacine (Intuniv) Good for Anxiety?

Guanfacine may help with certain anxiety disorders, but it is not the standard treatment used to treat anxiety disorders. Guanfacine is FDA-approved for ADHD, not for Anxiety disorder, but sometimes clinicians use Guanfacine off-label to help with anxiety symptoms. Guanfacine is typically considered:

When SSRIs are not tolerable
In some cases, people who do not respond well to stimulants
There is a need to target specific symptoms, such as hyperarousal or overactivation in the stress response

While Guanfacine can help your anxiety symptoms, never start or stop the medication on your own. You should always consult a board-certified psychiatrist who can evaluate your symptoms and determine if Guanfacine is the appropriate option to manage anxiety disorder.

Schedule an online consultation with a licensed expert at Therapy Fleet today before making any changes to the medications.

What is Guanfacine?

Guanfacine is an alpha-2 agonist available in two forms

Immediate-Release Guanfacine IR
Extended-Release Guanfacine XR

Guanfacine comes in tablet and extended-release tablets taken by mouth. Each form has different uses and helps to manage Hypertension and ADHD.

1. Blood Pressure

Guanfacine IR, under the brand name Tenex, is FDA-approved to lower blood pressure by relaxing blood vessels.

2. Attention Deficit-Hyperactivity Disorder

Guanfacine ER, under the brand Intuniv, is FDA-approved to manage ADHD symptoms in children and adolescents aged 6 to 17 years. It helps manage ADHD symptoms by strengthening the prefrontal cortex.

Guanfacine XR (Intuniv)

Guanfacine extended release XR, as the brand name Intuniv, belongs to a non-stimulant medication that helps to treat ADHD (primarily for hyperactivity symptoms) in children and adolescents.

Guanfacine (Intuniv) can be used both as monotherapy (used alone) or adjunctive therapy (used together) with stimulant medication.

Off-label Uses of Guanfacine (Intuniv)

Guanfacine may also be used off-label for conditions not approved by the FDA. The uses of Guanfacine are:

ADHD in adults
Anxiety
Behavioral issues such as aggression, Oppositional defiant disorder
Tourette’s syndrome or Tics
Management of PTSD symptoms
Sleep issues

IMPORTANT: Using Guanfacine for these conditions requires close monitoring as it may lead to sedation or low blood pressure.

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What is the biggest risk of taking Guanfacine?

Hypotension.

Guanfacine is a blood pressure medication that helps to control blood pressure. It may cause:

Dizziness or lightheadedness
Drowsiness or less alertness
Fatigue
Fainting (rare cases)
Hypotension (low blood pressure) is the biggest risk.

Safety tips:

Doctors mitigate this risk by starting with a low dose, typically 1 mg, and gradually increasing the dose. This gradual titration helps your body to adjust to the medication and reduce the risk of side effects.
Avoid driving or operating heavy machinery after taking Guanfacine.
It is always essential to follow your doctor’s advice before taking medications.

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Is Guanfacine (Intuniv) Good for Anxiety?

Evidence-based treatment of anxiety disorders includes Psychotherapy, pharmacotherapy, or a combination of both.

SSRIs and SNRIs are the first-line treatment to help anxiety disorders such as generalized anxiety disorder, social anxiety disorder, or separation anxiety disorder for children and adults. SSRIs and SNRIs include:

Escitalopram (Lexapro)
Sertraline (Zoloft)
Venlafaxine (Effexor XR)
Duloxetine (Cymbalta)

Other options, such as Benzodiazepines (Klonopin, Xanax), are also effective and helpful in managing anxiety symptoms, but only for short-term use.

When first-line treatments are ineffective, poorly tolerated, or associated with severe side effects, clinicians may consider alternative or adjunctive medication.

Guanfacine (Intunic) is a potential option. Guanfacine is an alpha 2-A adrenergic agonist that reduces norepinephrine release, strengthens the prefrontal cortex functioning, and may help improve anxiety.

Guanfacine is not FDA-approved for anxiety. Based on its mechanism of action, it can be prescribed off-label for certain anxiety-related symptoms when first-line treatments are not suitable.

How Guanfacine May Help With Anxiety?

Guanfacine (XR) works by activating alpha-2A receptors in the brain, which help control the release of norepinephrine, the chemical involved in the fight-or-flight response (stress, alertness).

Animal studies show that Guanfacine can strengthen the prefrontal cognitive functions. The prefrontal cortex is the part of the brain that is responsible for decision-making, emotional control, and focus. By calming overactivity in the stress-related pathways, Guanfacine may help the brain stay calm in excessive worry or hyperarousal. When prefrontal cortex cognitive functioning improves, it improves with anxiety symptoms.

Potential Anxiety-related Uses of Guanfacine

While Guanfacine is not approved to help manage anxiety disorders, clinicians sometimes use it off-label for anxiety symptom disorders, such as:

Generalized anxiety disorder (GAD)
Social anxiety
Separation anxiety disorder
Post-traumatic stress disorder-related anxiety and hyperarousal (PTSD)
ADHD-related anxiety

Anxiety disorders are among the most common mental health conditions in children and adolescents. If left untreated, can increase the risk of suicidal ideation, suicidal attempts, and substance abuse in children and adolescents.

Early diagnosis and treatment are essential for safety and well-being.

7 Potential Benefits of Guanfacine for Anxiety

Though Guanfacine is not approved for anxiety, sometimes clinicians may prescribe it off-label to manage specific anxiety symptoms. Guanfacine’s potential benefits include:

It reduces anxiety symptoms
It promotes calm and lowers stress
Calms the fight-or-flight response
It may reduce the hyperarousal
It improves decision-making or emotional regulation even during anxiety or excessive worry
It helps to control anxiety when it is ADHD-related anxiety
If you prefer non-addictive anxiety medications, Guanfacine can be considered the alternative option to control anxiety symptoms

7 Common Side Effects of Guanfacine

Common side effects of Guanfacine include:

Dry mouth
Constipation
Sleepiness
Headache
Fatigue
Nausea
Weakness

These side effects are mild and resolve over time, but if they persist or worsen, consult your doctor immediately.

7 Tips to Take Guanfacine Safely

Safety measures should be considered when taking Guanfacine, which include:

Take Guanfacine exactly as prescribed by your healthcare provider
Take Guanfacine at the same time each day with or without food
Avoid mixing it with alcohol or other medications, especially if they are sedatives or blood pressure medications
If you experience unusual signs after taking Guanfacine, contact your doctor immediately
If you have missed a dose, do not double the dose
Do not stop Guanfacine abruptly, as it can cause the risk of rebound hypertension
Keep it a secure and safe place out of reach of children

Regular monitoring by a healthcare provider is required to ensure the safety and effectiveness of the medication.

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Conclusion

Guanfacine (Intuniv) is a non-stimulant medication sometimes used off-label for anxiety. Clinicians use Guanfacine (Intuniv) if the first-line treatment is not tolerated or effective.

By calming increased norepinephrine activity in the brain and enhancing prefrontal cortex functioning, it may help reduce excessive worry, stress and improve emotional control.

Guanfacine (Intuniv) should always be taken under medical guidance.

For personalized advice, schedule an online consultation with licensed healthcare providers at Therapy Fleet.

Asking for help is not a weakness; it’s the first step towards reclaiming your peace of mind and emotional control.

FAQs

Here are answers to some common questions our therapists receive regarding Guanfacine:

1. How long does it take for Guanfacine to work for anxiety?

Some symptoms may improve within days after taking Guanfacine. It may take a few weeks before you notice the full benefit of the medication.

2. Is Guanfacine ER (Intuniv) a narcotic drug and addictive?

No, Guanfacine (Intuniv) is not a controlled substance and does not have potential for abuse, unlike stimulants such as Adderall and Vyvanse. Always consult your clinician to know the non-addictive ADHD medications for adults with anxiety.

3. Is Guanfacine safe for long-term use?

Guanfacine XR can be used safely and effectively for the long term, but close monitoring is required. According to a study, people who took GXR for up to about a year have reported no major abnormalities or serious health issues.

4. How do you calm down ADHD anxiety?

By developing calming strategies such as:

Deep and slow breathing
Short walk or stretching
Progressive muscle relaxation (PMR)
Sleep optimization
Mindfulness

Be kind to yourself and don’t hesitate to seek help when needed.

MEDICAL DISCLAIMER

At TherapyFleet, we strive to enhance the quality of life for those dealing with mental health issues. Our licensed medical professionals meticulously research, edit, and review all content before publication. Nonetheless, this information should not replace professional medical advice, diagnosis, or treatment. For medical guidance, please consult your physician or reach out to Therapy Fleet’s qualified staff.