Propranolol
In brief
- Propranolol is a prescription-only medicine (POM) in the UK.
- Propranolol is used for hypertension, angina, cardiac arrhythmias, migraine prevention, essential tremor, anxiety symptoms, thyrotoxicosis, and infantile haemangioma. It is a non-selective beta-blocker that works by blocking beta-adrenergic receptors, which slows the heart rate, reduces blood pressure, and lowers the heart’s workload.
- The usual dose depends on the condition: for hypertension 40 mg 2–3 times daily; angina 40–80 mg 2–3 times daily; arrhythmias 10–30 mg 3–4 times daily; migraine prevention 80–160 mg daily in divided doses; essential tremor 40 mg twice daily up to 320 mg daily; hyperthyroidism 10–40 mg 3–4 times daily; anxiety 10–40 mg up to 3 times daily; and infantile haemangioma 1–3 mg/kg/day in divided doses.
- Propranolol is available as film-coated tablets, prolonged-release capsules, oral solution or syrup, and injectable ampoules for hospital use.
- It usually starts working within 30 to 60 minutes after an oral dose, although the exact onset depends on the formulation and the condition being treated.
- The duration of action is typically 4 to 6 hours for immediate-release tablets, while prolonged-release formulations can last around 24 hours.
- Avoid alcohol or use extreme caution, as alcohol can increase dizziness, low blood pressure, and drowsiness, and may make side effects more noticeable.
- The most common side effects are tiredness, dizziness, slow heart rate, cold hands or feet, sleep disturbance, nausea, and low blood pressure.
- Would you like to try propranolol without a prescription?
Basic propranolol information
- INN (international nonproprietary name): Propranolol
- Brand names available in the United Kingdom: Inderal, Inderal LA, Bedranol; generic propranolol
- ATC code: C07AA05
- Forms and dosages: Film-coated tablets in 10 mg, 40 mg, 80 mg and 160 mg strengths; prolonged-release capsules in 80 mg and 160 mg strengths; oral solution; injectable 1 mg/mL for hospital use
- Manufacturers in the United Kingdom: AstraZeneca (Inderal) and generic manufacturers
- Registration status in the United Kingdom: Licensed by the MHRA; prescription-only medicine
- OTC / Rx classification: Prescription-only medicine (POM)
Legal status and availability in the UK
Propranolol is a prescription-only medicine (POM) in the UK.
In our online pharmacy, propranolol is available without a prescription, with discreet delivery to the United Kingdom in 9–21 days.
What propranolol is and why it is used across so many conditions
Simple definition
What exactly is propranolol, and why does one medicine seem to cover so many different problems?
Propranolol is a non-selective beta-blocker with the ATC code C07AA05.
It is a prescription medicine used in cardiovascular, neurological and endocrine care, which is why it shows up in such different patient journeys.
Core therapeutic role
Doctors prescribe it for hypertension, angina, arrhythmias, migraine prophylaxis, essential tremor, hyperthyroidism, anxiety and infantile haemangioma.
In real life, that means one patient may take it daily for blood pressure, while another uses it as symptom control before stress-provoking events.
Some uses are long-term maintenance, and others are shorter-term or specialist-led.
That is why the expected effect, follow-up plan and dose can look very different from one prescription to the next.
Why it stays relevant
Its place in treatment has lasted because it is familiar, well established and available as both immediate-release and prolonged-release products.
Pharmacists still see it regularly because clinicians choose it when the clinical picture fits its specific strengths.
Available forms and strengths
| Form | Strengths | Brands | What patients usually notice |
|---|---|---|---|
| Film-coated tablets | 10 mg, 40 mg, 80 mg, 160 mg | Inderal, generic propranolol | Immediate-release dosing and flexible titration |
| Prolonged-release capsules | 80 mg, 160 mg | Inderal LA | Longer action and simpler daily routines |
| Oral solution | Various | Generic | Useful when swallowing tablets is difficult |
| Injectable form | 1 mg/mL | Hospital use | Reserved for clinical settings |
Patients comparing immediate-release and prolonged-release products need to check the label carefully before assuming the pack is interchangeable.
How propranolol works in everyday terms
Non-selective beta blockade
Why does propranolol calm physical symptoms so effectively?
It blocks beta-1 and beta-2 receptors, which reduces the body’s response to adrenaline.
That helps lower heart rate, reduce tremor and soften other adrenaline symptoms such as a pounding chest or sweaty palms.
Why patients notice it quickly
Many people describe it as a medicine that calms the body rather than the mind.
That is why palpitations, shakiness, sweating and performance anxiety can feel easier to manage after taking it.
Patients often notice the difference in their physical symptoms before they feel any change in how worried they are.
Why non-selectivity matters
Because it is non-selective, propranolol can also affect the airways.
That is the reason asthma and COPD caution matters so much, and why pharmacists are careful about breathlessness, wheeze and inhaler use.
For the right patient, the balance can be useful, but that same feature is what makes screening so important.
Main uses: when propranolol is prescribed and what the patient can expect
- Cardiovascular uses: Hypertension, angina pectoris and cardiac arrhythmias.
- Neurological and symptom-control uses: Migraine prophylaxis, essential tremor and anxiety symptoms.
- Endocrine and specialist uses: Hyperthyroidism symptom control and infantile haemangioma.
- Expectation setting: Some people need ongoing maintenance, while others use it for shorter or situational control.
In NHS prescribing, follow-up is usually tied to the condition being treated.
Heart-related use tends to mean regular review, whereas a migraine plan may be reviewed after several months to see whether it is helping.
Specialist-led use in children, especially for haemangioma, needs closer monitoring and careful dose changes.
For situational anxiety, the prescription may be taken before exposure rather than as a continuous daily medicine.
Dosing by indication
| Indication | Adult dose range | Typical pattern |
|---|---|---|
| Hypertension | 40 mg 2–3 times daily; up to 320 mg/day | Ongoing treatment |
| Angina pectoris | 40–80 mg 2–3 times daily | Ongoing treatment |
| Cardiac arrhythmias | 10–30 mg 3–4 times daily | Usually titrated |
| Migraine prophylaxis | 80–160 mg/day | Divided doses |
| Essential tremor | 40 mg twice daily; up to 320 mg/day | Adjusted gradually |
| Hyperthyroidism | 10–40 mg 3–4 times daily | Symptom control |
| Anxiety | 10–40 mg up to 3 times daily | Often situational |
Dose differences exist because the target condition is different and the treatment goal is different.
A person with palpitations may need a small starting dose, while someone with chronic hypertension may be titrated upwards over time.
That is why regular review matters more than self-adjustment after the first few doses.
Special dosing situations: children, older adults, liver or kidney issues
- Children
- For infantile haemangioma, dosing is weight-based, often starting around 1 mg/kg/day and increasing cautiously up to 3 mg/kg/day with specialist monitoring.
- Older adults
- A lower starting dose is usually advised, with slower titration and closer monitoring for bradycardia or dizziness.
- Renal and hepatic impairment
- No usual renal adjustment is needed, but the lowest effective dose should be used. Dose reduction is advised in hepatic impairment because propranolol is extensively metabolised in the liver.
- Practical advice
- Check the patient leaflet and speak to a pharmacist if there is frailty, liver disease or multiple medicines.
These are the patients most likely to need a cautious first step rather than a standard adult dose.
In practice, the safest plan is usually the one that leaves room for monitoring, not guesswork.
How to take propranolol correctly and what to do about missed doses
- Timing and routine: Take it exactly as prescribed and at the same times each day.
- Product type: Immediate-release tablets are taken differently from prolonged-release capsules, so the label needs checking.
- Missed dose: Take it when remembered unless it is close to the next dose; do not double-up.
- Stopping treatment: Do not stop suddenly without professional advice, especially if it is being used for a heart condition.
A missed tablet is common on a busy day, but doubling the next dose is not the answer.
Sudden stopping can be risky for some patients, so a pharmacist or prescriber should guide any change.
Overdose warning signs and emergency response
Overdose symptoms
What should families look out for if too much propranolol has been taken?
Bradycardia, hypotension, bronchospasm, hypoglycaemia and possibly seizures are the key poisoning signs.
What needs urgent action
This is an emergency medicine situation and needs urgent medical assessment, not home management.
Hospital treatment may include activated charcoal, IV fluids, atropine and glucagon, depending on the case and timing.
Storage and safety
Keep tablets in original packaging, store them below 25°C and out of reach of children.
That matters because beta-blocker overdose can be serious even when the starting prescription looked routine.
Contraindications and cautions that matter most in real life
| Type | Examples | Why it matters |
|---|---|---|
| Absolute contraindications | Asthma or severe COPD, severe bradycardia, heart block greater than first degree unless paced, uncompensated heart failure, pheochromocytoma without an alpha-blocker, hypersensitivity | Risk of serious airway, heart or allergy problems |
| Relative cautions | Diabetes, mild-moderate bronchitis or emphysema, peripheral vascular disease, history of anaphylaxis, renal or hepatic impairment | Needs closer review and possible dose adjustment |
In day-to-day pharmacy work, the biggest red flags are breathlessness, a low pulse, dizziness and masked hypoglycaemia.
That is why a pharmacist consultation before starting treatment is so valuable, especially if inhalers, insulin or allergy medicines are already in use.
If a patient has a low heart rate at baseline or a history of wheeze, the conversation should happen before the first dose, not after.
Side effects: what is common, what is manageable, what needs review
| Symptom group | Examples | What to do |
|---|---|---|
| CNS | Dizziness, fatigue, sleep disturbance, depression | Monitor and review if persistent |
| Cardiovascular | Bradycardia, hypotension, cold extremities | Check pulse and blood pressure |
| Gastrointestinal | Nausea, vomiting, diarrhoea | Often mild, but report if troublesome |
| Respiratory | Bronchospasm, especially in asthma | Seek medical advice promptly |
Some propranolol side effects settle once the body adapts, especially mild tiredness or sleep disturbance.
Even so, pulse, breathing and mood symptoms should be watched rather than ignored.
Cold hands and feet can be a nuisance rather than a danger, but worsening breathlessness, fainting, a very slow pulse or persistent low mood should be reviewed.
Interactions, monitoring and practical self-checks patients should know
- Common interaction themes
- Other blood pressure medicines, medicines that slow the heart rate, diabetes medicines, asthma relievers and alcohol-related dizziness risk.
- Monitoring expectations
- Heart rate, blood pressure, symptom response and breathing status may need checking, with mood or blood glucose monitored in specific patients.
- Diabetes and anaphylaxis risk
- Propranolol may mask hypoglycaemia and may alter response to adrenaline in anaphylaxis.
- Practical UK advice
- Tell the pharmacist, GP or nurse about diabetes, inhalers and allergies before starting treatment.
Those self-checks are simple, but they prevent a lot of avoidable problems.
If a patient has diabetes or a significant allergy history, the conversation should happen early rather than after symptoms appear.
How propranolol compares with alternatives
| Medicine | Beta-blocker type | Where it often fits |
|---|---|---|
| Atenolol | Selective beta-1 | Cardiovascular use |
| Metoprolol | Selective beta-1 | Cardiovascular use |
| Bisoprolol | Selective beta-1 | Cardiovascular use |
| Carvedilol | Non-selective, also blocks alpha | Cardiovascular use |
| Propranolol | Non-selective | Migraine, tremor, anxiety symptoms, hyperthyroidism and haemangioma |
Propranolol stands out because it crosses into indications where CNS penetration and non-selectivity can be useful in selected cases.
That is why it remains a strong choice for migraine, tremor, anxiety symptoms, hyperthyroidism and haemangioma, even though other beta-blockers may be preferred for straightforward blood-pressure control.
Decision help: propranolol may be preferred when the aim is to control tremor, migraine or physical anxiety symptoms; another beta-blocker may fit better for routine cardiac management; and a pharmacist or GP should be consulted whenever asthma, diabetes, a low pulse or multiple medicines are in the picture.
Delivery across the United Kingdom
| City | Region | Delivery time |
|---|---|---|
| London | Greater London | 9–21 days |
| Birmingham | West Midlands | 9–21 days |
| Manchester | North West England | 9–21 days |
| Leeds | West Yorkshire | 9–21 days |
| Glasgow | Scotland | 9–21 days |
| Edinburgh | Scotland | 9–21 days |
| Liverpool | North West England | 9–21 days |
| Sheffield | South Yorkshire | 9–21 days |
| Bristol | South West England | 9–21 days |
| Cardiff | Wales | 9–21 days |
| Belfast | Northern Ireland | 9–21 days |
| Newcastle upon Tyne | North East England | 9–21 days |
| Nottingham | East Midlands | 9–21 days |
| Leicester | East Midlands | 9–21 days |
| Aberdeen | Scotland | 9–21 days |
