 <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] ids, dairy products, tea, or coffee within 2 hours before or after this medication because they will decrease its effectiveness. The fluoride in this chewable tablet can be absorbed directly into the teeth during and after chewing, as well as being absorbed into your body from your stomach. It is best not to eat, drink, or rinse your mouth for 30 minutes after taking this product. Take this medication regularly to get the most benefit from it. To help you remember, take it at the same time each day. Do not take more than the prescribed dose.The side effects of Quflora FE Oral: Stomach upset, constipation, or nausea may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. Iron may cause your stools to turn black, an effect that is not harmful. If your teeth become mottled or stained, tell your dentist or doctor. This may be a result of too much fluoride. Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms </s>