OverviewDosageSide EffectsInteractionsHalf-Life

Generic Name: Propranolol hydrochloride

Brands: Inderal, Hemangeol, Propranolol HCL Intensol

Class: Beta-blocker

Availability: Prescription required

Molecular Formula: C16H21NO2

Substance UNII: 9Y8NXQ24VQ

What is Propranolol?

Propranolol is a beta-blocker, offered as a capsule, solution, or tablet. It is typically associated with cardiac issues such as irregular heart rhythms or high blood pressure. Beta-blockers like propranolol also treat pheochromocytoma, small tumors on the adrenal gland near the kidneys, tremors, and migraine headaches.  It is often sold under the trade name Inderal, Hemangeol, Propranolol HCL Intensol.

What is Propranolol Used For?

Propranolol typically treats cardiac-related symptoms and conditions such as high blood pressure, irregular heart rhythms, hypertrophic subaortic stenosis (a form of heart muscle disease), and angina.

In addition, propranolol treats pheochromocytoma, small tumors on the adrenal gland near the kidneys, tremors, performance anxiety, PTSD, and migraine headaches. 

How Does Propranolol Work?

Beta-blockers like propranolol work by changing the way the body responds to key nerve impulses. As a result, it can slow the heart rate down and make it easier for the heart to pump blood. It also relaxes the blood vessels by blocking the nerve action.

In addition, propranolol blocks the action of stress hormones like adrenaline and noradrenaline, which is why it is sometimes used as an anxiety medication. 

How Long Does it Take for Propranolol to Work?

On average, people notice an effect from this drug after 30 to 60 minutes. For stress management, it’s best to take the drug about 60 minutes before a stressful event. 

Do Not Use Propranolol If:

There are several situations where this medication may not be the right choice for you. According to the FDA, the following should not use propranolol:

  • Hypersensitivity to propranolol hypochlorite
  • Cardiogenic shock
  • Uncompensated heart failure
  • Sick sinus syndrome
  • Sinus bradycardia and greater than first-degree block
  • Bronchial asthma

Please note that this list may not be complete, and there may be other situations where the use of this drug is not advisable.

Disclaimer: this article does not constitute or replace medical advice. If you have an emergency or a serious medical question, please contact a medical professional or call 911 immediately. To see our full medical disclaimer, visit our Terms of Use page.


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