Azelastine

Antihistamine (nasal spray)
PRESCRIPTION ONLY IN INDIA

Azelastine is a antihistamine (nasal spray) found in 1 medicine sold in India, such as Duonase. Below: what it is for, how it works, how to take it, side effects, interactions and pregnancy advice.

What it is used for

Relieves sneezing, runny and itchy nose from allergies.

How it works

An antihistamine nasal spray (often with fluticasone) and eye drop for allergic rhinitis and conjunctivitis; works within 15 minutes.

How to take it

Nasal spray: 1 to 2 sprays per nostril twice a day.

Common side effects

  • Bitter taste
  • Drowsiness
  • Nosebleeds

Get medical help straight away if

Allergic reaction

Be careful

Can leave a bitter taste; can cause mild drowsiness.

Other medicines and interactions

Drowsiness may add to alcohol and sedatives.

Pregnancy and breastfeeding

Ask your doctor before use in pregnancy and breastfeeding.

Combination medicines that contain Azelastine (1)

Duonase

Common questions

What is Azelastine used for?

Relieves sneezing, runny and itchy nose from allergies.

How does Azelastine work?

An antihistamine nasal spray (often with fluticasone) and eye drop for allergic rhinitis and conjunctivitis; works within 15 minutes.

How should I take Azelastine?

Nasal spray: 1 to 2 sprays per nostril twice a day.

What are the side effects of Azelastine?

Common: Bitter taste, drowsiness, nosebleeds. Get help straight away for: Allergic reaction.

Does Azelastine interact with other medicines?

Drowsiness may add to alcohol and sedatives.

Is Azelastine safe in pregnancy and breastfeeding?

Ask your doctor before use in pregnancy and breastfeeding.

Does Azelastine need a prescription in India?

Yes. In India it is a prescription (Schedule H) medicine, so a pharmacist should sell it only with a doctor's prescription.

Which brands contain Azelastine?

Duonase.

Sources and further reading

NHS (UK National Health Service) and MedlinePlus (US National Library of Medicine) are free, reviewed medicine guides. Brand names and doses there may differ from India.

Last reviewed 31 October 2026. Written by Satya Babu from standard prescribing information.

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For information only, not medical advice. This page is a plain-language summary written from standard prescribing information and the public guides linked below. Brands sometimes change their formula, so always check the composition printed on the pack. Doses here are typical adult doses; yours may differ. Do not start, stop or change a medicine without your doctor or pharmacist, and keep all medicines away from children. In an emergency, call 112 (India) or your local emergency number.