Atenolol
Atenolol is a beta-blocker used in the UK for high blood pressure, angina in some people, and sometimes for heart rhythm problems when your prescriber selects it. It is less commonly first choice than some newer beta-blockers for blood pressure alone, but remains appropriate for many individuals.
This medicine is part of the Blood pressure, cholesterol & related category.
Generic name: atenolol
Quick answers
Short replies to searches people often run before speaking to a clinician. For the overview of what the medicine is used for, see the short summary under the page title above.
What is it for?
Atenolol is a beta-blocker used in the UK for high blood pressure, angina in some people, and sometimes for heart rhythm problems when your prescriber selects it.
How long does it take to work?
Blood pressure can fall over days to weeks after starting or changing dose; attend follow-up checks your GP arranges.
What are common side effects?
Cold hands or feet, tiredness, slow pulse, and vivid dreams occur in some people.
Can you take paracetamol or ibuprofen with it?
Other heart rate–slowing drugs, some calcium channel blockers, and alcohol can additive effects.
More about what Atenolol is used for
Atenolol is a beta-blocker used in the UK for high blood pressure, angina in some people, and sometimes for heart rhythm problems when your prescriber selects it.
It is less commonly first choice than some newer beta-blockers for blood pressure alone, but remains appropriate for many individuals.
How does Atenolol work, and how long does it take to work?
It slows the heart rate and reduces the force of heart contractions, which lowers blood pressure and heart workload. It also blocks some effects of stress hormones on the heart.
Benefits build over days; stopping suddenly can cause rebound symptoms in some conditions — taper only as directed.
How and when should you take Atenolol?
Usually once daily, with or without food, as your label states. Swallow tablets with water.
If you exercise, you may notice a lower peak heart rate — this is expected; mention breathlessness that is new or severe to your GP.
What are the common side effects of Atenolol?
Cold hands or feet, tiredness, slow pulse, and vivid dreams occur in some people. Gut upset is possible.
Many side effects improve after the first few weeks; persistent problems deserve a review.
Serious side effects of Atenolol — when to get urgent help
Seek urgent help for wheeze or chest tightness if you have asthma history, fainting, very slow pulse with dizziness, or new ankle swelling with breathlessness.
Depression or severe fatigue should be discussed with your GP rather than ignored.
What if you miss a dose of Atenolol?
If you miss a dose, take it when you remember unless the next dose is soon; do not double up.
Who should not take Atenolol?
Uncontrolled asthma, some heart block problems without a pacemaker, and certain very slow heart rates need alternatives. Diabetes on insulin may need adjusted hypo awareness advice.
Always list all medicines before anaesthetics or new prescriptions.
Can you take paracetamol or ibuprofen with Atenolol? — other interactions
Other heart rate–slowing drugs, some calcium channel blockers, and alcohol can additive effects. NSAIDs may reduce blood pressure control.
Check with your pharmacist before over-the-counter cold remedies — some are unsuitable with beta-blockers.
Atenolol in pregnancy and breastfeeding
Discuss use in pregnancy or breastfeeding with your prescriber — individual risk–benefit decisions apply.
Blood tests and monitoring on Atenolol
Blood pressure and pulse may be checked when starting. Your GP may review long-term need, especially if you also have asthma.
What might your GP prescribe instead of Atenolol?
Bisoprolol, Metoprolol, or other blood pressure classes such as ACE inhibitors or calcium channel blockers may be used instead.
Reviewed by UK registered pharmacists
Reviewed by UK registered pharmacists for accuracy and clarity. Content is informational only.
- Professional registration
- GPhC registration number: [placeholder — to be added when verified]
- Last reviewed
Frequently asked questions about Atenolol
People also ask — common Google searches
- What is Atenolol used for?
- Atenolol is a beta-blocker used in the UK for high blood pressure, angina in some people, and sometimes for heart rhythm problems when your prescriber selects it. It is less commonly first choice than some newer beta-blockers for blood pressure alone, but remains appropriate for many individuals.
- How long does Atenolol take to work?
- Blood pressure can fall over days to weeks after starting or changing dose; attend follow-up checks your GP arranges. Always follow your prescriber’s follow-up plan.
- Can you take Atenolol with paracetamol or ibuprofen?
- Other heart rate–slowing drugs, some calcium channel blockers, and alcohol can additive effects.
- What are the side effects of Atenolol?
- Cold hands or feet, tiredness, slow pulse, and vivid dreams occur in some people. Gut upset is possible. See the sections below for more detail, including serious side effects and when to seek urgent help.
- Can atenolol affect asthma?
- Beta-blockers can worsen wheeze in susceptible people. Always tell your prescriber if you have asthma or COPD — they may choose a different medicine or monitor you closely.
- Why was I given atenolol after a heart attack?
- Beta-blockers can protect the heart after some cardiac events. Dose and duration are guided by your cardiologist or GP — do not stop suddenly without advice.
Need personalised advice?
Your local pharmacist or GP surgery can help with questions about your medicines, side effects, and alternatives that may be suitable for you.
Links open the NHS website for finding services. DrugABC does not sell prescription-only medicines or replace clinical care.
Often used with
People searching for Atenolol often read about these medicines too — for example when treatments are combined under GP or specialist care. This is not a prescribing suggestion.
Related medicines
You may also find these informational pages helpful. Each link opens a full guide on DrugABC. Your prescriber decides what is appropriate for you.