“I’ve just been prescribed amlodipine for high blood pressure, but I feel completely fine. Do I really need it?”
“I take both aspirin and clopidogrel, but I’ve got no idea what the actual difference between these two blood thinners is?”
“Will I have to take ramipril and indapamide for the rest of my life?”
“Should I take my blood pressure meds in the morning or at night?”
If you’ve been prescribed medication for high blood pressure or to protect your heart, understanding how and when to take it makes a real difference to how well it works and how confident you feel day to day.
In this guide, we’ll cover the medications most commonly prescribed at Summerhill Health for blood pressure and cardiovascular health, including Amlodipine, Ramipril, Indapamide, Aspirin, and Clopidogrel, with practical advice on dosing, timing, and what to expect.
At Summerhill Health, Dr Natalie Summerhill (MBBS, RCGP 2015, DRCOG, DFSRH) works within guidance from NICE and the RCGP to support patients with high blood pressure and cardiovascular risk, alongside Dr Matthew Kahn (MBChB, BSc, PhD, MRCP, BSE, EHRA Level 2), Consultant Cardiologist at the internationally recognised Liverpool Heart and Chest Hospital, who leads our cardiac screening service. Every treatment plan is personalised to your symptoms, medical history, lifestyle, and goals.
Please note: This guide provides general information only. Always follow the specific instructions your GP has given you, and contact us if you’re unsure about anything.
Why High Blood Pressure Matters and How Medication Helps
High blood pressure (hypertension) is when the pressure in your arteries stays consistently higher than it should be. It’s very common, affecting around one in four adults in the UK, and it often causes no symptoms at all. This is why it’s sometimes called the “silent” condition: you can feel completely well while it quietly raises your risk over time.
Left untreated, persistently high blood pressure increases the risk of heart attack, stroke, kidney disease, and other serious problems. The good news is that it responds well to treatment, and bringing your numbers down meaningfully reduces those risks.
Blood pressure and heart medications work in different ways:
- Calcium channel blockers (such as amlodipine) relax and widen your blood vessels.
- ACE inhibitors (such as ramipril) relax blood vessels by blocking a hormone that narrows them.
- Diuretics (such as indapamide) help your body clear excess salt and water.
- Antiplatelets (such as aspirin and clopidogrel) make your blood less likely to form clots.
Many people take more than one of these together, because combining medications that work in different ways is often more effective than a single higher dose.
How to Take Amlodipine
Amlodipine is a calcium channel blocker used to treat high blood pressure and angina. It works by relaxing and widening your blood vessels, which lowers the pressure inside them.
- The usual starting dose is 5mg once daily, which may be increased to a maximum of 10mg once daily depending on your response.
- Take it at the same time each day, with or without food.
- It can be taken morning or evening, so choose a time you’ll remember easily. Many people find taking it with breakfast helps build a routine.
- Amlodipine is long-acting, so it keeps working across a full 24 hours. Try not to miss doses, as consistency keeps your blood pressure steady.
A few practical tips:
- Swollen ankles are a common side effect, particularly at the higher dose, and tend to be more noticeable in the evening. Let us know if it’s troublesome, as it can often be managed.
- Mild flushing or headache can occur in the first days and usually settles as your body adjusts.
- If you miss a dose, take it as soon as you remember that day. If it’s been more than 12 hours since the dose was due, skip the missed one entirely and take your next dose at the usual time. Never double up to make up for a missed dose.
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How to Take Ramipril
Ramipril is an ACE inhibitor (angiotensin-converting enzyme inhibitor) used for high blood pressure and heart protection, and to safeguard the kidneys, particularly in people with diabetes or existing cardiovascular disease.
- The usual starting dose is low, often 1.25mg to 2.5mg once daily, and is increased gradually to a maintenance dose of up to 10mg daily based on your response.
- Take your very first dose at bedtime. ACE inhibitors can cause dizziness when you first start, so taking the initial dose before bed reduces the chance of feeling lightheaded.
- After the first dose, you can take it at whatever time of day suits you, with or without food, as long as it’s the same time each day.
- A dry, tickly cough is the most well-recognised side effect. It’s harmless but can be persistent. If it bothers you, let us know, as there are alternative medications that don’t cause it.
Ramipril needs some monitoring:
- We’ll check your kidney function and potassium levels with a blood test shortly after starting and periodically afterwards.
- Tell us if you become unwell with vomiting, diarrhoea, or dehydration, as ramipril may need to be paused temporarily.
- Do not take ramipril if you are pregnant or trying to conceive. Let us know so we can discuss safer alternatives.
How to Take Indapamide
Indapamide is a thiazide-like diuretic (sometimes called a “water tablet”) used to treat high blood pressure. It helps your kidneys remove excess salt and water, which lowers blood pressure.
- The usual dose is 2.5mg once daily, or 1.5mg once daily for the modified-release version.
- Take it in the morning. Because it increases how often you pass urine, taking it early avoids disrupted sleep from night-time trips to the toilet.
- It can be taken with or without food. Swallow modified-release tablets whole rather than crushing or chewing them.
Points worth knowing:
- Indapamide can affect the balance of salts in your blood (such as potassium and sodium), so we may check these with a blood test from time to time.
- Tell us if you feel unusually weak or tired, or develop muscle cramps, as these can be signs your salt levels need checking.
- It may make your skin more sensitive to sunlight, so use sun protection when needed.
How to Take Aspirin (Low-Dose)
Low-dose aspirin (usually 75mg daily) is used as an antiplatelet, which means it makes the blood less likely to form clots. It’s prescribed to protect people who have already had a heart attack or stroke, or who have established cardiovascular disease. This is different from the higher doses used for pain relief.
- Take one 75mg tablet once daily, with or after food. Taking it with food helps reduce the chance of stomach irritation.
- If you’ve been given dispersible (soluble) aspirin, dissolve it in water before taking it.
- Take it at the same time each day. Many people take it with their evening meal.
- Do not stop taking aspirin without medical advice. Stopping suddenly can increase the risk of a clot. If you’re due to have surgery or dental work, tell the team you take aspirin, but don’t stop it unless you’re specifically told to.
The main consideration with aspirin is bleeding:
- Let us know if you notice unusual bruising, black or tarry stools, or blood in your vomit or urine.
- Tell us if you develop indigestion or stomach pain, as we can offer stomach protection if needed.
- If you reach for over-the-counter antacids to settle stomach irritation, avoid taking them within two hours of your daily heart medications, as they can affect how well the medication is absorbed.
How to Take Clopidogrel
Clopidogrel is another antiplatelet medication. It works in a different way to aspirin and is often prescribed after a stroke, a heart attack, or the fitting of a coronary stent. Sometimes it’s taken alongside aspirin for a set period, known as dual antiplatelet therapy.
- The usual dose is 75mg once daily, taken with or without food.
- Take it at the same time each day to keep the effect steady.
- As with aspirin, do not stop clopidogrel without medical advice, especially if you have a stent, as stopping early can be dangerous.
- Tell any doctor, dentist, or surgeon that you take clopidogrel before any procedure.
The same bleeding precautions apply as for aspirin. Contact us if you notice unusual bruising or bleeding that doesn’t stop.
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Comparing Blood Pressure and Heart Medications
| Medication | Type | What it does | When to take | Key things to know |
|---|---|---|---|---|
| Amlodipine | Calcium channel blocker | Relaxes and widens blood vessels | Same time daily, morning or evening | May cause ankle swelling and flushing; take consistently |
| Ramipril | ACE inhibitor | Relaxes vessels; protects heart and kidneys | First dose at bedtime, then same time daily | Can cause a dry cough; needs blood test monitoring; avoid in pregnancy |
| Indapamide | Thiazide-like diuretic | Clears excess salt and water | Morning | May affect salt levels; increases urination; can raise sun sensitivity |
| Aspirin (low-dose) | Antiplatelet | Reduces clot formation | With or after food, same time daily | Bleeding risk; do not stop suddenly |
| Clopidogrel | Antiplatelet | Reduces clot formation (different mechanism) | Same time daily, with or without food | Bleeding risk; do not stop suddenly, especially with a stent |
There’s no single “best” medication. The right choice or combination depends on your blood pressure readings, your overall cardiovascular risk, any other conditions you have, and how your body responds. Together, we’ll help you find the treatment that suits you.
What to Expect When Starting Treatment
Most people take blood pressure and heart medications with few or no side effects, and any that do appear are usually mild and settle as your body adjusts.
Because high blood pressure rarely causes symptoms, you may not feel any different once you start treatment. That’s completely normal and doesn’t mean the medication isn’t working. The benefit is happening quietly in the background, lowering your long-term risk.
- Some people feel mildly dizzy or lightheaded in the first days or weeks, particularly with ramipril or when standing up quickly. This usually improves.
- We’ll usually review your blood pressure a few weeks after starting or changing a medication, and adjust the dose if needed. Reaching the right combination can take a little adjustment along the way.
- Regular blood tests may be needed to monitor kidney function and salt levels, especially with ramipril and indapamide.
Finding the right treatment is often a process rather than a single decision, and we’ll work with you to get the balance right.
How to Store Your Blood Pressure and Heart Medications
- Store all tablets at room temperature, away from moisture, heat, and direct sunlight.
- Keep them in their original packaging, which protects them and helps you keep track of doses.
- Keep all medication out of reach of children, and do not use beyond the expiry date.
- Return any unused or out-of-date medication to a pharmacy for safe disposal.
Frequently Asked Questions
Will I need to take blood pressure medication for life?
For many people, yes, blood pressure medication is a long-term treatment. Because it controls rather than cures high blood pressure, stopping usually causes your numbers to rise again. That said, some people are able to reduce or stop medication after significant lifestyle changes and sustained improvement. We’ll review this with you regularly.
Can I take these medications together?
Yes. It’s very common to be prescribed more than one blood pressure or heart medication, because combining treatments that work in different ways is often more effective and allows lower doses of each. We’ll always make sure your combination is safe and suited to you.
What should I do if I miss a dose?
For most of these medications, if you miss a dose and remember on the same day, take it when you remember. If it’s almost time for your next dose, skip the missed one and carry on as normal. Never take a double dose to make up for a missed one. If you’re unsure, check with us.
Can I drink alcohol while taking them?
Moderate alcohol is generally fine, but it can lower your blood pressure further and make you feel dizzy, particularly with ramipril and indapamide. Heavy drinking also raises blood pressure over time, so keeping within recommended limits helps both your treatment and your wider health.
Do I still need to make lifestyle changes if I’m on medication?
Yes. Medication works best alongside changes such as reducing salt, staying active, maintaining a healthy weight, limiting alcohol, and stopping smoking. These can lower your blood pressure in their own right and sometimes reduce the amount of medication you need.
Is it safe to take ibuprofen or other painkillers?
Anti-inflammatory painkillers (such as ibuprofen and naproxen) can raise blood pressure and interfere with some of these medications, particularly ramipril and indapamide. They can also increase bleeding risk alongside aspirin or clopidogrel. If you take both ramipril and indapamide, do not use regular ibuprofen or naproxen without medical advice. Combining an ACE inhibitor, a diuretic, and an anti-inflammatory painkiller (sometimes called the “triple whammy”) can place significant strain on your kidneys and carries a risk of acute kidney injury. Always check with us or your pharmacist before using these painkillers regularly. Paracetamol is usually a safer choice for everyday pain relief.
When to Contact the Clinic
Get in touch if:
- You’re experiencing side effects that are troublesome or aren’t settling.
- You have a persistent dry cough after starting ramipril.
- You notice swollen ankles, unusual tiredness, or muscle cramps.
- You’re planning a pregnancy or think you might be pregnant.
- You have any questions or concerns about your treatment.
Seek urgent medical advice if you experience chest pain, a sudden severe headache, weakness or numbness on one side of the body, difficulty speaking, signs of a serious allergic reaction (such as swelling of the face, lips, or throat), or significant bleeding that doesn’t stop. These are rare but need immediate assessment.
If you have symptoms of a heart attack or stroke, call 999 straight away.
Ready to Take the Next Step?
If you’ve been prescribed blood pressure or heart medication, or you have questions about treatment you’ve already started, our team at Summerhill Health is here to help. Our consultations are thorough, confidential, and unhurried, with same-day and evening appointments available.
Contact us on 0161 552 2382 or book an appointment online.
