Before using olopatadine nasal, tell your doctor if you have any non-allergic conditions affecting the inside of your nose, such as a deviated septum.
This medication may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.
Drinking alcohol can increase certain side effects of olopatadine nasal.
Call your doctor if your symptoms do not improve, or if they get worse while using olopatadine nasal.
Before taking this medicine
You should not use this medication if you are allergic to olopatadine.
Before using olopatadine nasal, tell your doctor if you have any non-allergic conditions affecting the inside of your nose, such as a deviated septum.
FDA pregnancy category C. It is not known whether olopatadine nasal will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medication.
It is not known whether olopatadine nasal passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
Do not give  olopatadine to a child younger than 6 years old without medical advice.
How should I use olopatadine nasal?
Use exactly as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended. Follow the directions on your prescription label.
Before using the spray for the first time, you must prime the spray pump. Shake the medicine well and spray 5 test sprays into the air and away from your face. Spray until a fine mist appears.
To use the olopatadine nasal spray:
Gently blow your nose before using the nasal spray.
Insert the spray tip into your nostril, pointing it straight up into your nose. Press your other nostril closed with your finger and keep your head upright. Pump the spray and gently inhale at the same time.
Use only the number of sprays prescribed by your doctor.
Clean the pump nozzle with a clean, damp tissue and recap it.
Prime the spray pump with at least 2 sprays any time it has been longer than 7 days since you last used it.
Try not to sneeze or blow your nose just after using the spray.
Call your doctor if your symptoms do not improve, or if they get worse while using olopatadine nasal.
Store at room temperature away from moisture and heat.
What happens if I miss a dose?
Use the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not use extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include severe forms of some of the side effects listed in this medication guide.
