Astelin (Azelastine) Nasal Spray

Astelin comes as a nasal spray. Astelin usually is sprayed in each nostril two times a day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Use Astelin exactly as directed. Do not use more or less of it or use it more often than prescribed by your doctor.
Before using azelastine for the first time, remove the child-resistant screw cap and replace with the pump unit. Prime the delivery system (pump unit) with four sprays or until a fine mist appears. If 3 days or more have elapsed since your last use of the nasal spray, reprime the pump with two sprays or until a fine mist appears.

Side effects:
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using Astelin and call your doctor at once if you have any of these serious side effects: bronchospasm (shortness of breath, tightness in chest, wheezing); or fast or uneven heartbeats.

Less serious Astelin side effects may include: a bitter taste in your mouth; headache; drowsiness or dizziness; dry mouth, sore throat; burning in your nose; weight gain; nausea; nosebleed; cough, sneezing, runny nose, cold symptoms; or eye redness.