What are the side effects of guanfacine?
Guanfacine may cause side effects. Tell your doctor if any of these symptoms or those listed in the SPECIAL PRECAUTIONS section are severe or do not go away:
- dry mouth.
- tiredness.
- weakness.
- headache.
- irritability.
- decreased sexual ability.
- decreased appetite.
- stomach pain.
Is guanfacine used for anxiety?
Tenex (guanfacine hydrochloride) and Xanax (alprazolam) are used to treat anxiety. Tenex is used off-label to treat anxiety. Tenex is primarily used to manage high blood pressure (hypertension).
Does guanfacine work right away?
How long does it take for guanfacine to work? It may take four to eight weeks to get the maximum benefit once the right dose is determined. However, improvements in some symptoms may occur sooner.
Does guanfacine affect mood?
Many people using this medication do not have serious side effects. Tell your doctor right away if you have any serious side effects, including: severe dizziness, slow heartbeat, fainting, mental/mood changes (such as depression, hallucinations, thoughts of suicide).
Does guanfacine help with panic attacks?
Extended-release guanfacine appears safe, well tolerated, and potentially effective in children and adolescents with anxiety disorder, suggests a pilot study in the Journal of Child and Adolescent Psychopharmacology.
Does guanfacine affect appetite?
General. The most common adverse reactions were dry mouth, somnolence, headache, fatigue, dizziness, abdominal pain, constipation, appetite decreased, and sedation.
Does guanfacine help with anger?
Treatment with once daily guanfacine extended-release tablets — used to treat attention deficit hyperactivity disorder (ADHD) — may help manage behavioral symptoms, such as aggression and self-injurious behavior, associated with Prader-Willi syndrome (PWS).
Does guanfacine affect sleep?
Guanfacine 1.0 mg did not alter REM sleep and 2.0 mg of guanfacine had less effect than both doses of clonidine in this respect. Clonidine’s effect on REM sleep began after about 2 h, whereas guanfacine’s action on REM sleep began 5 h after the dose.