Candesartan: uses, side effects & brands

Written & medically reviewed by Dr. Sanjay Anbu, MBBS · Last reviewed 5 November 2026

Candesartan is a long-acting ARB for blood pressure and heart failure. It belongs to the ARB (blood pressure) group. ARBs relax blood vessels to lower blood pressure and protect the kidneys, without the cough that ACE inhibitors can cause.

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Drug type — dosing is set by your doctor

Measure	Range
Drug class	ARB (blood pressure)
Type	Prescription
Dose	Individual — ask your doctor or pharmacist

What it is used for

High blood pressure
Heart failure
High blood pressure in children and teens (as decided by a specialist)

Common brand names

India: Candesar, Atacand
Worldwide: Atacand

Common side effects

Dizziness or light-headedness
Headache
Back pain or cold-like symptoms
Rarely, raised blood potassium

Before taking it — precautions

Not to be used in pregnancy — tell your doctor if you are pregnant or planning to be
Kidney function and blood potassium are checked with blood tests
Tell your doctor about potassium supplements, salt substitutes, pain killers (NSAIDs) or water tablets

When to see a doctor urgently

Swelling of the face, lips or throat (rare — urgent)
Fainting or very low blood pressure
Muscle weakness or palpitations (high potassium)

Not a prescription — no dose shown. The right dose of candesartan depends on age, weight, kidney/liver function and the condition, so MedDroid does not show a dose here. Always get your dose from a doctor or pharmacist and the leaflet inside the pack. General educational information only.

Frequently asked questions

Is candesartan good for heart failure?

Yes, it is one of the ARBs shown to help in heart failure, especially when ACE inhibitors are not tolerated.

Will candesartan give me a cough?

A dry cough is uncommon with candesartan compared with ACE inhibitors.

Does candesartan help with migraines?

It is sometimes used by specialists to help prevent migraine, but this is not its main use — ask your doctor.

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Sources & further reading

Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.