Propranolol Dosage (Cont.)

Propranolol Dosage for Hypertrophic Subaortic Stenosis

The usual dose to treat hypertrophic subaortic stenosis is propranolol 20 mg to 40 mg three or four times a day before meals and at bedtime.
 

Propranolol Dosage for Pheochromocytoma

The usual propranolol dosage for people with pheochromocytoma is 30 mg a day. This is often divided into smaller doses taken several times a day, such as 10 mg three times a day.
 

General Propranolol Dosage Information

Some considerations for people taking propranolol include:
 
  • Your propranolol dosage should be taken by mouth with a glass of water.
     
  • It is best to take propranolol right before a meal.
     
  • Do not break, chew, or crush the propranolol tablets.
     
  • Make sure to take propranolol at the same time each day to maintain even levels of the medicine in the blood.
     
  • For propranolol to work properly, you have to take it as prescribed. Propranolol will not work if you take in a way other than how your healthcare provider has prescribed.
     
  • If you do not take your propranolol as scheduled, take your next dose as soon as you remember. If it is almost time for the next scheduled dose, skip the missed one and continue with normal dosing. Do not take a double dose.
     
  • You should not stop taking propranolol without first discussing it with your healthcare provider. Stopping propranolol abruptly may increase the risk of serious side effects (see Precautions and Warnings With Propranolol).
     
  • If you are unsure about anything related to propranolol or your specific propranolol dosage, talk with your doctor, nurse, or pharmacist. Also, as emphasized above, do not adjust your propranolol dose unless your healthcare provider specifically instructs you to do so.
     
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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;