Azelastine (nasal/eye): uses, side effects & brands
Written & medically reviewed by Dr. Sanjay Anbu, MBBS· Last reviewed
Azelastine is an antihistamine nasal spray/eye drop for allergy symptoms. It belongs to the Antihistamine (extra) group. More antihistamines for allergy symptoms, mostly low-drowsiness.
Non-allergic runny or blocked nose (vasomotor rhinitis)
Itchy, watery allergic eyes (eye drops)
Combined with a steroid nasal spray in some products
Common brand names
India: Azep, Arzep
Worldwide: Astelin, Optivar
Common side effects
Bitter taste after spraying
Drowsiness
Nasal irritation or nosebleeds
Stinging with eye drops
Before taking it — precautions
It can cause drowsiness; take care driving and limit alcohol
Tell your doctor if you are pregnant or breastfeeding
Remove contact lenses before using the eye drops
When to see a doctor urgently
Frequent or heavy nosebleeds
Swelling of face or throat, or difficulty breathing (urgent)
Eye pain or change in vision
Not a prescription — no dose shown. The right dose of azelastine 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
How can I reduce the bitter taste?
Tilt your head slightly forward while spraying and avoid sniffing hard afterwards.
How fast does it work?
It usually starts relieving symptoms quickly, often within minutes to an hour.
Can I use it with a steroid nasal spray?
Yes, the two are often used together, and some sprays contain both.
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.