Guanabenz acetate

Pronounced: GWAHN-ah-benz

Why is Guanabenz acetate prescribed?

This drug is used in the treatment of high blood pressure. It is effective used alone or in combination with a thiazide type of diuretic. Guanabenz begins to lower blood pressure within 60 minutes after taking a single dose and may slow your pulse rate slightly.

Most important fact about Guanabenz acetate

You must take guanabenz regularly for it to be effective. Since blood pressure declines gradually, it may be several weeks before you get the full benefit of guanabenz; and you must continue taking it even if you are feeling well. Guanabenz does not cure high blood pressure; it merely keeps it under control.

How should you take Guanabenz acetate?

Guanabenz may be taken with or without food. Take it exactly as prescribed.

--If you miss a dose...

Take it as soon as you remember. If it is almost time for the next dose, skip the one you missed and go back to your regular schedule. Do not take 2 doses at the same time. If you forget the medication 2 or more times in a row, contact your doctor.

--Storage instructions...

Store at room temperature, in a tightly closed container, away from light.

What side effects may occur?

Side effects cannot be anticipated. If any develop or change in intensity, inform your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking guanabenz.

• More common side effect may include:
  Dizziness, drowsiness, dry mouth, headache, weakness

Why should Guanabenz acetate not be prescribed?

Do not take guanabenz if you are sensitive to it or have ever had an allergic reaction to it.

Special warnings about Guanabenz acetate

Guanabenz can make you drowsy or less alert. Driving or operating dangerous machinery or participating in any hazardous activity that requires full mental alertness is not recommended until you know how this drug affects you.

If you have severe heart disease, stroke or related disorders, or severe liver or kidney failure, or if you have recently had a heart attack, this drug should be used with caution.