Active Ingredient

Azelastine

Azelastine is an antihistamine commonly used to relieve allergy symptoms. It helps reduce nasal congestion, sneezing, and itchy or runny nose.

This medication is often used by individuals experiencing seasonal allergies or allergic rhinitis.

Written By Douglas C. Goldberg, MD

Reviewed By Philip Schein, MD

Last Updated 28 Nov 2025

Available Azelastine Brands

Astelin

Strengths 10ml

Azelastine Uses

Azelastine is typically used for managing symptoms related to allergic conditions. It can be helpful in the following situations:

Allergic rhinitis
Seasonal allergies
Perennial allergic rhinitis
Non-allergic rhinitis

How Azelastine Works

Azelastine works by blocking histamine, a substance in the body that causes allergic symptoms. By inhibiting histamine receptors, it helps reduce inflammation and irritation in the nasal passages.

This action helps alleviate common allergy symptoms such as sneezing and nasal congestion.

Common side effects of Azelastine

Not everyone experiences side effects with Azelastine, and many are mild and temporary. Common side effects may include:

Headache
Nasal irritation
Bitter taste
Sneezing
Dry mouth
Drowsiness
Cough

If you experience serious or persistent symptoms, contact your doctor promptly.

Frequently Asked Questions

How long does it take for Azelastine to work?

Azelastine typically starts working within a few hours of use, providing relief from allergy symptoms.

Can I use Azelastine if I am pregnant?

You should consult your doctor before using Azelastine if you are pregnant or planning to become pregnant.

Is it safe to use Azelastine with other medications?

Always inform your doctor about any other medications you are taking to ensure there are no interactions.

Does Azelastine cause drowsiness?

Azelastine may cause drowsiness in some individuals. Avoid activities requiring alertness if affected.

Can Azelastine be used for non-allergic rhinitis?

Yes, Azelastine can be used to manage symptoms of non-allergic rhinitis. Consult your doctor for more information.