Medically reviewed by Jessica Swirble, PharmD
Last updated on 5/14/2024

Drug Information | Side Effects | Use & Dosage | Request a Prescription

• Brand Name: Inderal
  
• Generic Name: Propranolol
  
• Uses: Treating high blood pressure, angina (chest pain), certain heart rhythm disorders, and reducing the risk of a second heart attack. Also used for preventing migraines and treating tremors and anxiety disorders.
  
• Drug Class: Beta-blocker
  
• Availability: Prescription only
  
• Generic Status: Yes
  
• Controlled Substance: No
  
  

Propranolol is a medication used to manage cardiovascular conditions primarily by slowing the heart rate and reducing blood pressure. It belongs to a class of medications known as beta-blockers, which work by blocking the effects of epinephrine and norepinephrine on the body's beta receptors, which helps to ease stress on the heart and blood vessels.

Propranolol is used to treat a variety of conditions related to heart and blood vessel disorders.

This includes:

• High blood pressure: Lowering blood pressure helps prevent strokes, heart attacks, and kidney problems.
  
• Angina: Reduces the frequency of chest pain from blocked or narrowed arteries.
  
• Heart rhythm disorders: Helps to manage abnormal heart rhythms.
  
• Migraine prevention: Reduces the frequency and severity of migraines.
  
• Tremor: Helps to control shaking or trembling in part of the body.
  
  

Propranolol belongs to a classification of medications known as beta-blockers. These medications work by blocking the transmission of certain nerve impulses. When stimulated, nerves release a chemical called epinephrine (also known as adrenaline). Adrenaline can cause blood vessels to tighten and narrow. Narrowed blood vessels make it more difficult for blood to be pumped through the body, leading to an increase in blood pressure.

By preventing epinephrine’s effect on blood vessels, propranolol keeps them relaxed and open. This reduces blood pressure and minimizes the risk of cardiac conditions such as heart attack, heart failure, and coronary artery disease.

It is important to note that propranolol is not a cure for high blood pressure, though it does help control it.

Propranolol is available in the following forms:

• Oral tablets: Immediate-release and extended-release forms
  
• Oral solution (liquid)
  
  

The dosage and length of treatment depend on the condition being treated, its severity, and how you tolerate the medication.

Follow your healthcare provider's instructions regarding dosage and schedule. Do not exceed the prescribed dose or duration of treatment without consulting your provider.

The effectiveness of propranolol and the time it takes to notice improvement can vary among individuals. For conditions like hypertension or anxiety, some effects can be noticed shortly after starting the medication, but it may take a few weeks to achieve the full therapeutic effects.

Continue taking propranolol as prescribed even if you start feeling better. Do not abruptly stop the medication, as it may lead to a return of symptoms or exacerbation of heart conditions.

While propranolol is primarily used for treating high blood pressure, angina, certain heart rhythm disorders, and prevention of migraines, healthcare providers may sometimes prescribe it off-label for other conditions such as anxiety disorders, certain types of tremors, and prevention of secondary heart attacks.

Discuss any alternative uses of propranolol with your healthcare provider.

Propranolol is available in the following dosage forms:

• Oral tablets: Typically available in 10 mg, 20 mg, 40 mg, 60 mg, and 80 mg
  
• Extended-release capsules: Available in 60 mg, 80 mg, 120 mg, and 160 mg
  
• Oral solution: Available in a concentration of 20 mg/5 mL and 40 mg/5 ml
  
  

Generic versions of propranolol are available.

Propranolol is a prescription medication. You will need a valid prescription from a licensed healthcare provider to obtain this medication.