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Discharge Instructions: Taking Alpha-Blockers

Your doctor prescribed a drug called an alpha-blocker for you. Alpha-blockers treat high blood pressure (hypertension) or an enlarged prostate (benign prostatic hyperplasia). Alpha-blockers are usually used with other medications when blood pressure is difficult to control.

The name of your alpha-blocker is ___________________________________________________

Woman taking pill out of pill bottle. Home Care

  • Follow the fact sheet that came with your medication. It tells you when and how to take your medication. Ask for a sheet if you didn't get one.

  • Avoid driving until you know how this medication will affect you.

  • Don't eat grapefruit or drink grapefruit juice.

  • Take this medication at bedtime; alpha-blockers can make you dizzy.

  • Take your medication exactly as directed, even if you feel fine.

  • Learn to take your own pulse. Keep a record of your results. Ask your doctor which readings mean that you need medical attention.

Possible Side Effects

Tell your doctor if you have any of these side effects. Don't stop taking the medication until your doctor tells you to. Mild side effects include the following:

  • Drowsiness

  • Dizziness

  • Lightheadedness

  • Fatigue

  • Trouble sleeping

  • Weight gain

  • Nausea or upset stomach

  • Irritability, nervousness, or restlessness

  • Blurred vision

  • Runny or stuffy nose


Make a follow-up appointment as directed by our staff.

When to Call Your Doctor

Call your doctor immediately if you have any of the following:

  • Pulse that is slower than normal

  • Heart palpitations

  • Fainting or severe dizziness

  • Swelling in your feet, legs, or ankles

  • Chest pain

  • Shortness of breath or wheezing

  • Loss of bladder control

  • Painful, continuous erection


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