Amlodipine is a commonly prescribed medicine in the UK, used for high blood pressure. If you have just been prescribed amlodipine, this page explains what it is, the brands and strengths it comes in, how to take it, and how to have it dispensed and delivered free on the NHS with PillSorted.
This content has been medically reviewed and approved by Zeinab Ardeshir (GPhC 2075730), Superintendent Pharmacist at PillSorted (GPhC-registered online pharmacy 9011258). Last reviewed: 2 July 2026.
What is amlodipine?
Amlodipine is a calcium-channel blocker used to lower high blood pressure and to prevent angina (chest pain). It relaxes and widens your blood vessels.
Brands and strengths
Amlodipine is the name of the active ingredient. In the UK it is sold as generic amlodipine and under brand names including Istin and Amlostin — all contain the same active ingredient and work the same way. Common strengths:
- Amlodipine 5 mg tablets
- Amlodipine 10 mg tablets
- UK brands: Istin and Amlostin
What amlodipine is used for
- High blood pressure (hypertension)
- Angina prevention
How to take amlodipine
Usually taken once a day, at the same time each day, with or without food. Keep taking it even if you feel well — high blood pressure often has no symptoms. Always follow your prescriber’s instructions (BNF).
Side effects
Common effects include swollen ankles, flushing, headache and feeling dizzy, which often settle. Tell your prescriber if they persist. This is not a full list — see the patient information leaflet (BNF).
Amlodipine: frequently asked questions
Yes. Istin is a brand name for amlodipine; the generic is the same active ingredient.
Yes. High blood pressure usually has no symptoms, so keep taking it unless your prescriber advises otherwise.
Yes. If you have an NHS prescription for amlodipine, you can nominate PillSorted as your NHS pharmacy and we will dispense and deliver it to your door for free.
Get your amlodipine delivered free on the NHS
If you have an NHS prescription for amlodipine, PillSorted dispenses and delivers it to your door — completely free. Nominate PillSorted as your NHS pharmacy once, and we take care of your repeat prescriptions from then on.
What you get
- Free delivery, every time — your medicine posted to your door, always free.
- Your whole family, one account — manage everyone’s prescriptions in one place.
- Real pharmacists, every prescription — every order checked by our UK pharmacist team.
How it works
- Choose PillSorted as your NHS pharmacy
- We collect your prescription from your GP
- Your medication is delivered free to your door
Sources: NICE; BNF — Amlodipine.
This page is for general information only and is not a substitute for advice from your GP or pharmacist. Always take your medicine exactly as prescribed. For advice about your own health, consult a clinician.