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General Information on Guanfacine

Generic Name : Guanfacine

Pronunciation : GWAHN-fa-seen

Latest prescription information about Guanfacine. Learn how to pronounce the drug's name, its indications, dosage, how to take, when to take, when not to take, side effects, special precautions, its storage instructions and warnings if any when taken during pregnancy. Also listed are the International and Indian trade name(s) of the drug and its price list.
ICD Code : Y52.5 | Therapeutic Classification : Anti- Hypertensives

Trade Names/Brand Names of Guanfacine

International- Intuniv, Tenex.

Why is Guanfacine Prescribed? (Indications)

This medication is an alpha agonist, prescribed for high blood pressure. This medication relaxes blood vessels thereby lowering blood pressure.  

When should Guanfacine not to be taken? (Contraindications)

Hypersensitivity.

What is the dosage of Guanfacine?

PO- The recommended initial dose is 1 mg daily given at bedtime.

How should Guanfacine be taken?

It comes as a tablet to take by mouth, with or without food.

What are the warnings and precautions for Guanfacine?

Caution should be exercised in patients with history of stroke, low blood pressure, slow heart rate, bipolar disorder, heart, kidney or liver disease, any allergy, who are taking other medications, during pregnancy and breastfeeding.

It may cause drowsiness, dizziness, or lightheadedness, do not drive a car or operate machinery while taking this medication.

Avoid alcohol consumption.

It may cause dehydration; drink adequate fluid.

What are the side effects of Guanfacine?

   Most Common : Dry mouth, sedation, weakness, dizziness, constipation and impotence.
   Heart : Slow heart rate, palpitations and substernal pain.
   Gastrointestinal : Abdominal pain, diarrhea, indigestion, difficulty in swallowing and nausea.
   Central Nervous System : Memory loss, confusion, depression, sleeplessness and decreased sexual drive.
   ENT : Runny nose, taste perversion and ringing in the ear.
   Eye : Eye inflammation and visual disturbances.
   Musculoskeletal : Leg cramps.
   Respiratory : Difficulty in breathing.
   Skin : Skin inflammation, itching, bruising and increased sweating.
   Genitourinary : Testicular disorder and urinary incontinence.
   Miscellaneous : Uneasiness and tingling.

What are the other precautions for Guanfacine?

Avoid excess dosage.

What are the storage conditions for Guanfacine?

Store it at controlled room temperature, between 15 and 39C.

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