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Medications
Guanfacine

Guanfacine

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Guanfacine is a sympathetic nervous system inhibitor which is a kind of heart failure drug (cardiovascular drug).

Dr. Jeffrey Pollard reviewed this

23 year experience in ENT and Head and Neck Surgery

Drug Class

Sympathetic nervous system inhibitor

Brands

Tenex

Side Effects

Common

Constipation
Irritability
Headache
Sleepiness
Dizziness
Fatigue
Abdominal pain
Decreased appetite
Nausea
Vomiting
Weight gain
Diarrhea
Lethargy
Loss of strength
Low blood pressure
Reduced appetite

Serious

Slow heart rate
Low blood pressure

Treats

Attention deficit hyperactivity disorder in children
2.8
60 reviews
ADHD (attention deficit hyperactivity disorder)
2.8
59 reviews
Attention deficit hyperactivity disorder in adults
Condition

Related questions

A 45-year old asked:

I'm not sure but is guanfacine available in malaysia ?

1 doctor answer • 1 doctor weighed in

A 23-year old male asked:

How long does guanfacine until the full benefit/maximum results are reached? Just started 4mg extended release at night

2 doctor answers • 2 doctors weighed in

A 44-year old asked:

What are guanfacine and methylphenidate?

1 doctor answer • 4 doctors weighed in

A 46-year old asked:

What are the side effects for the medication of guanfacine?

2 doctor answers • 5 doctors weighed in

A 34-year old female asked:

Is there any interactions with Tenex (guanfacine) 1mg and flucticasone propionate 50mcg. She is 8?

1 doctor answer • 4 doctors weighed in

A 41-year old male asked:

My son is taking phenobarb for 1yr now. Lately dr. Presqribed him guanfacine to control his behaver and temper and to reduce phenobarb. Is this good?

1 doctor answer • 1 doctor weighed in

A 38-year old asked:

Will guanfacine work for adhd?

2 doctor answers • 8 doctors weighed in

A 35-year old asked:

Will I die from taking 60mg of guanfacine with 300mg of diphenhydramine?

1 doctor answer • 3 doctors weighed in

A 40-year old female asked:

Im on 2mg/twice a day guanfacine for adhd. i think i am growing more tolerant of it. I wanted to know what is the equivalent dosage to switch over to?

1 doctor answer • 1 doctor weighed in

A 46-year old asked:

Can guanfacine be used for tic disorders?

2 doctor answers • 4 doctors weighed in

A 40-year old asked:

How does Tenex (guanfacine) cause weight loss?

3 doctor answers • 5 doctors weighed in

A 24-year old male asked:

Why does guanfacine make me urinate frequently?

2 doctor answers • 3 doctors weighed in

A 37-year old male asked:

What is the definition or description of: Guanfacine allergy?

1 doctor answer • 1 doctor weighed in

A 32-year old asked:

Does the medication guanfacine for tic disorders really work?

1 doctor answer • 1 doctor weighed in

A 23-year old male asked:

My son was prescribed clonidine .5mg.2day he was taken off clonidine & put on guanfacine 1mg. Can he take guanfacine 2nite after taking clonidine a.M.?

1 doctor answer • 3 doctors weighed in

A 34-year old female asked:

I'm trying to find out more about the drug tenex (guanfacine). My son has been diagnosed with ADHD and he's 4. His insurance will not pay for the ADHD meds yet.

3 doctor answers • 6 doctors weighed in

A 31-year old female asked:

Is guanfacine (intuniv) effective for adult females with adhd?

3 doctor answers • 6 doctors weighed in

A 33-year old female asked about a male:

Son, 9, started on Tenex (guanfacine) for ?ADHD 4 days ago. Today took his BP and was 88/59. Is this ok? BP was 114/69 at psychiatrist prior to med. f/u w dr in 2w

1 doctor answer • 2 doctors weighed in

A 35-year old female asked:

Could Tenex (guanfacine) be used for severe autism in a boy of 7 yo that melatonin 7.5mg no longer help with sleep?

2 doctor answers • 11 doctors weighed in

A 35-year old female asked:

Can guanfacine cause children to have bad behavior and act out or be irritable? Our daughter has gotten so much worse since being on it?

1 doctor answer • 1 doctor weighed in

A 35-year old female asked:

My daughter was put on 1/2mg of guanfacine. About how long would it take for that to become effective for adhd? Also, can it help with tics?

1 doctor answer • 1 doctor weighed in

A 23-year old male asked:

Can I take remeron (mirtazapine) and guanfacine together? Remeron (mirtazapine) is an a2 antagonist and guan is an a2 agonist. Would these compliment each other or cancel out?

1 doctor answer • 2 doctors weighed in

A 19-year old male asked:

Guanfacine + prazosin for severe anxiety and stress induced memory loss , is it safe ? what will happen ?

1 doctor answer • 1 doctor weighed in

A 22-year old female asked:

I had a 5mm tear on my plantar fascia and also had chronic heel pain. I decided to go with tenex procedure and had it done. Did I make a good choice?

1 doctor answer • 2 doctors weighed in

A 23-year old male asked:

I have been taking guanfacine and it has been having a seemingly opposite effect on me:Makes my muscles tight, heartbeat the same, hot and sweaty? Why

1 doctor answer • 1 doctor weighed in

A 38-year old male asked:

Is the impotence from Tenex (Guanfacine) due to nerve damage? If so, will Viagra (sildenafil) even help?

1 doctor answer • 1 doctor weighed in

A 38-year old male asked:

Taking 1mg of Tenex (Guanfacine) every night made me somewhat hypersexual. However, taking 2mg several days ago made me impotent. Can someone please explain how alpha-2 agonists cause impotence?

1 doctor answer • 4 doctors weighed in

A 43-year old male asked:

Primary physician has ordered an AM Cortisol Blood Test. Could the medications Androgel or Guanfacine have any effect on the test results?

1 doctor answer • 4 doctors weighed in

A 36-year old female asked:

I use to take linstropril (sp ?) htcz for my blood pressure and my new doc changed me over to Tenex (guanfacine) but that does that have a water pill

1 doctor answer • 2 doctors weighed in

A 22-year old female asked:

If I suddenly stopped taking cymbalta (40mg), Buspar (buspirone) (30mg) and Tenex (2.5mg) what, if any, withdrawl symptoms can I expect? I'm also not eating much.

1 doctor answer • 1 doctor weighed in

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