 <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]  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 Wal-Phed PE Sinus Headache See also Warning section. Read and follow all directions on the package label. Do not give children medicines labeled only for adults. If you have any questions, consult your pharmacist. Take this medication by mouth with or without food, usually every 4 to 6 hours as needed or as directed by your doctor. If you are using the liquid form of this medication, carefully measure the dose using a special measuring device/spoon. Do not use a household spoon because you may not get the correct dose. If your liquid form is a suspension, shake the bottle well before each dose. The dosage is based on your age, medical condition, and response to treatment. Do not increase your dose, take it more often, or use it for a longer time than directed. Tell your doctor if your condition lasts for more than 1 week </s>