 <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] -cold products do not cure colds. Cough due to a common cold often does not need to be treated with medicine. Ask your 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 Z-Tuss AC Read the Medication Guide and, if available, the Patient Information Leaflet provided by your pharmacist before you start taking this product and each time you get a refill. If you have any questions, ask your doctor or pharmacist. Take this medication by mouth with or without food with a full glass of water (8 ounces or 240 milliliters) as directed by your doctor. This medication may be taken with food or milk if stomach upset occurs. Do not take the sustained-release products more often than every 12 hours. If you are using the liquid form, use a medication measuring device or spoon to carefully measure the prescribed dose. 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. If you are using the extended-release capsules, swallow them whole. Do not crush or chew extended-release capsules or tablets. Doing so </s>