Medically reviewed by Jessica Swirble, PharmD
Last updated on 5/14/2024
Drug Information | Side Effects | Use & Dosage | Request a Prescription
The use of propranolol can lead to various side effects in some individuals.
Common mild side effects of propranolol use include:
More severe side effects of propranolol use can include:
If you experience any severe or concerning side effects while taking propranolol, contact your healthcare provider right away.
Tell your healthcare provider about any existing medical conditions, allergies, or other medications you are taking before starting treatment with propranolol. This includes prescription drugs, over-the-counter medications, and dietary supplements, as they may interact with propranolol.
Tell your provider if you are taking these medications or supplements:
You should also mention medical conditions such as:
If you are pregnant, planning to become pregnant, or breastfeeding, consult your healthcare provider before using propranolol to assess potential risks and benefits.
Take propranolol exactly as prescribed by your healthcare provider. Do not exceed the recommended dose or duration of treatment.
Propranolol can affect your heart rate and blood pressure. Be aware of any symptoms of hypotension or bradycardia, such as dizziness, fainting, or unusually slow heartbeats.
Take propranolol at the same time every day to maintain an even level in your blood. For immediate-release formulations, it's often taken in divided doses. Extended-release capsules are usually taken once a day.
In case of a propranolol overdose, seek medical attention immediately. Symptoms of overdose may include severe dizziness, fainting, difficulty breathing, or a very slow heart rate. If you suspect an overdose, contact the poison control helpline at 1-800-222-1222 or call emergency services.