 <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]  mouth, swish vigorously for 1 minute, and spit it out. Do not swallow the medication unless instructed to do so by your dentist/doctor. Carefully watch children during use and teach proper rinsing habits to avoid swallowing. To get the most benefit, you should not eat, drink, or rinse your mouth for at least 30 minutes after using the solution. Dosage is based on age and the amount of fluoride in your drinking water. Do not exceed the recommended dose without checking with your dentist/doctor. Doing so will not do more to prevent cavities but may lead to side effects instead. Use this medication regularly to get the most benefit from it. To help you remember, use it at the same time each day. Do not treat this medication like a normal mouthwash: do not use it more often than prescribed, or just to freshen your breath.The side effects of Phos-Flur Dental: Tell your dentist/doctor right away if you notice any changes in the color or appearance of your teeth. These effects may be a result of too much fluoride. If your doctor or dentist has directed you to use this medication, remember that your doctor or dentist has judged that the benefit to you is greater than the risk of side effects. </s>