Penbutolol treats high blood pressure. Do not stop taking this medication without talking to your doctor first.

Penbutolol Overview


Penbutolol is a prescription medication used to treat high blood pressure. Penbutolol belongs to a group of medications called beta blockers. These work by blocking beta receptors on the heart, relaxing blood vessels and slowing the heart rate to decrease blood pressure.

Penbutolol comes as a tablet to take by mouth and is usually taken once daily.

Common side effects of penbutolol include headache, tiredness, and nausea. Penbutolol can also cause dizziness. Do not drive or operate heavy machinery until you know how penbutolol affects you.

Patient Ratings for Penbutolol

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Penbutolol Cautionary Labels


Penbutolol Brand Names

Penbutolol may be found in some form under the following brand names:

Penbutolol Drug Class

Penbutolol is part of the drug class: