Propranolol

Basic propranolol information

• INN (international nonproprietary name): Propranolol
• Brand names available in the United Kingdom: Inderal, Inderal LA, Bedranol SR; generic propranolol
• ATC code: C07AA05
• Forms and dosages: Tablets 10 mg, 40 mg, 80 mg and 160 mg; modified-release capsules 80 mg and 160 mg; oral solution
• Manufacturers in the United Kingdom: AstraZeneca and generic manufacturers
• Registration status in the United Kingdom: Prescription-only medicine (POM)
• OTC / Rx classification: Prescription-only medicine (POM)

Everyday use and best practices

The time of day and meal timings can affect how well propranolol works and how it is tolerated.

Morning vs evening dosing

The effects of propranolol can vary depending on when it’s taken. Standard tablets are usually taken two or three times a day, while modified-release capsules are usually taken once daily, often in the morning. The timing can be tailored to your daily routine and symptoms; ask a healthcare professional for personalised guidance.

Taking with or without meals

Food can affect the absorption of propranolol, so consistency is key. Take it either always with food or always on an empty stomach, depending on tolerance and the advice of your healthcare provider.

Safety priorities

Who should avoid it

Propranolol isn’t suitable for everyone. Individuals with conditions such as:

• Asthma or severe chronic obstructive pulmonary disease
• Severe bradycardia or heart block (unless pacemaker present)
• Uncompensated heart failure
• Phaeochromocytoma (without an alpha-blocker)
• Known hypersensitivity to propranolol

must not use it, or only under specialist advice. Tell your prescriber about any existing health issues before starting treatment.

Activities to limit

Propranolol can affect alertness and coordination, potentially impairing daily activities. It’s advisable to exercise caution while driving or operating machinery, especially during initial treatment periods or after a dosage adjustment.

Dosage and adjustments

General regimen

Typical dosages for propranolol vary based on the intended use. They are usually as follows:

• Hypertension: initially 80 mg twice daily, adjusted according to response (usual maintenance 160–320 mg daily)
• Physical symptoms of anxiety: 40 mg once daily, increased if needed to 40 mg three times daily

A healthcare provider will tailor the dose to your needs and monitor its effectiveness.

Special cases

Special precautions apply for specific groups. For elderly patients or those with liver or kidney impairments, dosage adjustments may be necessary. Regular reviews with healthcare providers help to keep treatment safe and effective.

Legal status in the UK

Propranolol is a prescription-only medicine (POM) in the UK.

What’s inside and how it works

Ingredients overview

Propranolol hydrochloride is the active ingredient in various formulations, commonly branded as Inderal. It is available in several strengths, such as 10 mg, 40 mg, 80 mg and 160 mg. The inactive ingredients vary between brands and formulations, so check the patient information leaflet if you have allergies.

Mechanism basics explained simply

As a non-selective beta-blocker, propranolol works by blocking beta receptors in the heart and throughout the body. This action helps reduce heart rate and blood pressure, making it effective for managing conditions like hypertension. By blunting the body's response to adrenaline, it also eases the physical symptoms of anxiety, such as palpitations and tremor.

Main indications

Approved uses

Propranolol is licensed in the UK for various medical indications, including hypertension, angina, certain cardiac arrhythmias, migraine prophylaxis, essential tremor, the physical symptoms of anxiety, and as an adjunct in hyperthyroidism.

Off-label uses in UK clinics

Beyond its licensed uses, propranolol is sometimes prescribed off-label, for example for performance anxiety in social situations. Off-label use should be supervised by a healthcare professional, as individual reactions can vary.

Interaction warnings

Food interactions

Alcohol can exacerbate side effects such as dizziness or low blood pressure, so it is best limited while taking propranolol. Food can increase the absorption of propranolol, so take it consistently in relation to meals.

Drug conflicts

Propranolol may interact with other medicines, such as other antihypertensives, which can enhance its blood pressure-lowering effect. Keep all healthcare providers informed about your current medicines. Suspected side effects can be reported through the Yellow Card scheme.

Alternative choices

Patients looking for alternatives to propranolol can consider several NHS-prescribed medications. Here are some widely recognised options:

• Atenolol
• Metoprolol
• Bisoprolol
• Carvedilol

Each alternative has its own advantages and disadvantages:

Regulation snapshot

In the UK, propranolol is a prescription-only medicine (POM), authorised by the Medicines and Healthcare products Regulatory Agency (MHRA). A prescription requires a healthcare professional’s assessment of contraindications such as asthma or bradycardia.

If you think propranolol might be right for you, speak to your GP or pharmacist.

Frequently asked questions

Guidelines for proper use

UK pharmacist counselling style

A pharmacist may discuss your medical history and current medicines. It is useful to:

• Ask about potential interactions with other drugs.
• Seek advice on the best times to take propranolol.
• Inquire about lifestyle changes to enhance treatment efficacy.

NHS patient support advice

NHS patient support services can provide additional help and guidance. Keep track of:

• Upcoming follow-up appointments;
• Prescription refills to avoid gaps in medication;
• Updates on any side effects experienced while on propranolol.

Delivery information