-alcohol
-medicines for depression, anxiety, or psychotic disturbances
-medicines for sleep
-narcotic medicines for pain
-other medicines for allergies like diphenhydramine
-phenothiazines like chlorpromazine, mesoridazine, prochlorperazine, thioridazine

They need to know if you have any of these conditions:
-sores or ulcers in your nose
-an unusual or allergic reaction to olopatadine, other medicines, foods, dyes, or preservatives
-pregnant or trying to get pregnant
-breast-feeding

Tell your doctor or healthcare professional if your symptoms do not start to get better or if they get worse.

Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water may help. Contact your doctor if the problem does not go away or is severe.

You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may interfere with the effect of this medicine. Avoid alcoholic drinks.

Keep out of the reach of children.

Store at room temperature between 4 and 25 degrees C (39 and 77 degrees F). Throw away any unused medicine after the expiration date or after 240 sprays.