Hypertension Home > Important Instructions for Penbutolol

When and How to Take This Medicine

Some general considerations for those taking penbutolol include the following:
  • Penbutolol comes in tablet form. It is usually taken by mouth once daily.
  • You can take this medication either with a meal or on an empty stomach.
  • For the medicine to work properly, it must be taken as prescribed. Penbutolol will not work if you stop taking it.
  • In general, this medication should not be stopped suddenly, as serious problems (including heart attacks) may result.

Dosing Information

The dose of penbutolol your healthcare provider recommends will vary, depending on a number of factors, including:
  • The severity of your high blood pressure
  • How you respond to the medication
  • Other medications you are taking
  • Other medical conditions you may have.
As always, do not adjust your dose unless your healthcare provider specifically instructs you to do so.
(Click Penbutolol Dosage for more information.)

Potential Drug Interactions

Penbutolol can potentially interact with a number of other medications (see Drug Interactions With Penbutolol).

Overdose Information

An overdose is likely to cause dangerously low blood pressure (hypotension), a slow heart rate (bradycardia), and other serious problems. If you happen to take too much penbutolol, seek medical attention right away.
(Click Levatol Overdose for more information.)
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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