 <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]  flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.The uses of Doxycycline Hyclate Oral: This product is used in patients with gum disease (periodontitis) after a certain dental procedure (scaling and root planing). It helps to improve tooth attachment and reduce gum pockets.Doxycycline belongs to the class of antibiotics known as tetracyclines. At this low dosage, this medication does not treat bacterial infections, but it may help to prevent breakdown of gum tissue. Antibiotics do not work for viral infections (such as common cold, flu). Unnecessary use or misuse of any antibiotic can lead to its decreased effectiveness. How to use Doxycycline Hyclate Tablet Tetracyclines This medication is best taken by mouth on an empty stomach (at least 1 hour before or 2 hours after a meal) as directed by your doctor, usually 1 or 2 times daily. Take this medication with a full glass of water (8 ounces/240 milliliters) unless directed otherwise. If stomach upset occurs, taking it with food or milk may help. However </s>