Guanfacine (Oral)

Guanfacine (By Mouth)

Guanfacine (GWAHN-fa-seen)

Treats high blood pressure.

Brand Name(s):

Tenex
There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

You should not use this medicine if you have had an allergic reaction to guanfacine.

How to Use This Medicine:

Tablet

• Your doctor will tell you how much medicine to take and how often.
  
• Take this medicine exactly as your doctor ordered. Even if you feel fine your blood pressure can still be high.
  
• May be taken with or without food.
  
• If you are taking guanfacine once a day, take the dose at bedtime to avoid being drowsy during the day (unless your doctor tells you differently).
  

If a dose is missed::

• Take the missed dose as soon as you remember.
  
• Skip the missed dose if it is almost time for your next regular dose and take your medicine at your usual time.
  
• If you miss more than two doses in row, talk with your doctor.
  
• You should not use two doses at the same time.
  

How to Store and Dispose of This Medicine:

• Store at room temperature, away from heat, moisture, and direct light.
  
• Keep all medicine out of the reach of children.
  

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

• Avoid drinking alcohol while using this medicine.
  
• Make sure your doctor knows if you are also using any medicine that makes you sleepy, such as sleeping pills, tranquilizers, cold or allergy medicine, narcotic pain-killers, or muscle relaxers.
  

Warnings While Using This Medicine:

• Check with your doctor before using guanfacine if you have heart or liver disease, depression, or if you have had a heart attack or stroke.