 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  before you start using olopatadine and each time you get a refill. Follow the instructions on how to properly use this medication. If you have any questions, consult your doctor or pharmacist. Follow the instructions for properly priming the spray pump before using the bottle for the first time and if you have not used the medication for more than 7 days. Avoid spraying in your eyes or directly onto the nasal septum (the wall between the two nostrils). Use this medication in your nose as directed by your doctor, usually twice a day in both nostrils. Use this medication regularly to get the most benefit from it. To help you remember, use it at the same times each day. Keep track of the number of sprays you use, including test sprays used to prime the bottle. Discard the bottle after you have used the labeled number of sprays on the product package, even if the bottle is not completely empty. By doing this, you can be sure that you get the correct amount of drug in each spray. Tell your doctor if your symptoms do not improve.The side effects of Olopatadine Nasal: A bitter taste in the mouth, nosebleeds, or irritation/soreness in the nose may occur </s>