This NHS content is written for people in England. Medicine names, availability, prescribing and services may differ in other countries.
Felodipine
Felodipine is used to treat high blood pressure and angina. It relaxes your blood vessels, making it easier for blood to flow around your body.
Felodipine usually comes as a tablet that you take once a day in the morning. Follow the instructions that come with your medicine.
Side effects of felodipine include flushing, headaches, swollen ankles, stomach pain and feeling dizzy. More serious side effects are rare.
Most adults can take felodipine, but always check before taking it because it's not suitable for everyone.
Taking felodipine with other medicines, such as some antibiotics and antifungal medicines, can cause problems. Always check before taking it.
What felodipine is for
Felodipine is used to treat high blood pressure (hypertension) and angina.
It's a type of medicine called a calcium channel blocker. It works by relaxing and widening your blood vessels, which helps to increase the blood flow and oxygen supply to your heart.
How to take felodipine
Felodipine comes as tablets that you take once a day in the morning. You'll usually need to take it long term.
Always check the packet or leaflet that comes with your medicine. Ask a pharmacist or doctor for advice if you're not sure how to take it or have any problems taking it.
When taking felodipine:
- swallow the tablet whole with a drink of water
- take it at the same time each day
Check your packet or leaflet to see if you should take your medicine with food or not.
Your doctor may change your dose depending on how well it's working and how you're finding any side effects.
Important
Do not stop taking felodipine unless a doctor tells you to. Stopping suddenly can be dangerous.
If you miss a dose of felodipine
If you forget to take a dose, take it as soon as you remember, unless it's nearly time for your next dose.
If it is nearly time for your next dose, skip the dose you missed and take your next dose at the usual time.
Do not take 2 doses to make up for a forgotten dose.
If you take too much felodipine
Taking an extra dose of felodipine is unlikely to cause problems, but it's important to get medical advice if you take too much as it can sometimes be dangerous.
Get help from NHS 111 if:
- you've taken more than your prescribed dose of felodipine
You can call 111 or get help from 111 online .
Information
If you're told to go to A&E, do not drive. Ask someone to drive you or call 999 and ask for an ambulance.
Bring the felodipine packet or leaflet inside it, any remaining medicine, and any other medicines you take.
Side effects of felodipine
Like all medicines, felodipine can cause side effects, although not everyone gets them.
Common side effects
Common side effects of felodipine include:
- your ankles gradually becoming swollen
- headaches
- flushing, where your face, neck or chest suddenly feel hot and look red (redness may be harder to see on black or brown skin)
- stomach pain
- feeling dizzy
- feeling sick (nausea) or being sick (vomiting)
- your heartbeat being more noticeable (palpitations) – it may feel like it's beating very fast, pounding, fluttering or not beating steadily
Felodipine can sometimes cause dizziness and tiredness. If this happens, do not drive, ride a bike or use machinery until this has stopped.
Speak to a pharmacist or doctor if:
- you have any side effects that bother you or do not go away
They may be able to give you advice about how you can reduce the side effects. Keep taking your medicine unless you're advised to stop.
Find a pharmacySerious side effects
Felodipine can sometimes cause serious side effects, although most of them are rare.
Possible serious side effects of felodipine include:
- an allergic reaction (anaphylaxis) – causing symptoms such as a swollen throat or tongue, a raised, itchy rash and difficulty breathing
- sudden swelling in part of your body (angioedema) such as your face, tongue or genitals – it may also cause an itchy, raised rash
- chest pain
Call NHS 111 if:
- you're taking felodipine and think you might be having serious side effects
Who can and cannot take felodipine
Most adults can take felodipine, but it's not suitable for everyone.
For example, it may not be suitable if you have:
- had an allergic reaction or serious side effect from felodipine or a similar medicine before
- heart failure, heart disease, heart valve problems or have recently had a heart attack
- a fast heartbeat
- liver problems
- low blood pressure
- gum problems
Before taking felodipine, tell your doctor if you have any medical conditions.
Breastfeeding and felodipine
Felodipine can be taken if you're breastfeeding, but check with a pharmacist or doctor before using it.
If you're taking felodipine while breastfeeding, speak to a healthcare professional or call NHS 111 if you have any concerns about your baby.
Pregnancy and felodipine
Felodipine is not recommended for use in pregnancy.
Tell your doctor if you're pregnant or planning a pregnancy. They may suggest switching to another medicine or stopping taking felodipine while you're pregnant.
Taking felodipine with other medicines, food and drink
There are some medicines, remedies and supplements that may not mix well with felodipine.
This includes some types of:
- antibiotics, such as erythromycin
- antifungal medicines, such as ketoconazole
- epilepsy medicines
- medicines for stomach ulcers
- medicines for HIV
- herbal remedies, such as St John's wort
Speak to a pharmacist or your doctor before taking any other medicines, or any herbal remedies, vitamins or supplements, if you've been prescribed felodipine.
Food, drink and alcohol with felodipine
Do not drink eat grapefruit or drink grapefruit juice if you're taking felodipine.
Drinking alcohol while taking felodipine can increase the risks of side effects like low blood pressure.
Content supplied by the NHS website, refreshed 19 August 2026. View the original NHS article ↗
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