This medication is an antihistamine. Azelastine is used to relieve nasal symptoms such as runny/itching/stuffy nose, sneezing, and post-nasal drip caused by seasonal allergies & other conditions.

This medication is for use in your nose as directed, usually twice a day in both nostrils. For children, dosage is based on age, with younger children needing a lower dose.

Remember to use it at the same times each day. This medicine usually begins working within 3 hours of use.

Inform your doctor if your symptoms do not improve.

If you notice other effects not listed below, contact your doctor or pharmacist.

A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if you notice symptoms of a serious allergic reaction which may include:
rash
itching
swelling
severe dizziness
trouble breathing.

Inform your doctor or pharmacist if you also take any of the drugs mentioned below:
other antihistamines (e.g., diphenhydramine)
anti-anxiety drugs (e.g., diazepam)
anti-seizure drugs (e.g., phenobarbital) medicine for sleep (e.g., zolpidem)muscle relaxants
narcotic pain relievers (e.g., codeine), psychiatric medicines (e.g., phenothiazines such as chlorpromazine or tricyclics such as amitriptyline)tranquilizers.

If overdose is suspected, contact your local poison control center or emergency room immediatelyor the national poison hotline at 1-800-222-1222.

If you miss a dose, use it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.

It works by blocking certain natural substances called histamines that are responsible for allergic symptoms.

Protect from freezing. Store at controlled room temperature between 68-77 degrees F (20-25 degrees C) away from light and moisture.

Before taking azelastine tell your doctor or pharmacist your medical history, especially kidney problems and also if you are allergic to it; or to the preservative benzalkonium chloride; or if you have any other allergies.