 <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]  Some products (such as long-acting tablets/capsules) are not recommended for use in children younger than 12 years. Ask your doctor or pharmacist for more details about using your product safely.These products do not cure or shorten the length of the common cold and may cause serious side effects. To decrease the risk for serious side effects, carefully follow all dosage directions. Do not use this product to make a child sleepy. Do not give other cough-and-cold medication that might contain the same or similar ingredients (see also Drug Interactions section). Ask the doctor or pharmacist about other ways to relieve cough and cold symptoms (such as drinking enough fluids, using a humidifier or saline nose drops/spray). How to use Ryvent Take the tablet, capsule, or liquid form by mouth with or without food as directed by your doctor. This medication may be taken with food or milk if stomach upset occurs. If you are using sustained-release tablets or capsules, swallow the medication whole. Do not crush, chew, or break the tablets or capsules. Doing so can destroy the long action of the drug and may increase side effects. If you are using the liquid form of this medication, measure the dose carefully using a special measuring device/cup. Do not </s>