 <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]  the correct dose. For powder packets, empty the entire contents of the packet onto the tongue and swallow. To prevent a bitter taste, do not chew. If you are taking the capsule form, swallow the capsule whole. Improper use of this medication (abuse) may result in serious harm (such as brain damage, seizure, death). Do not increase your dose, take it more often, or use it for a longer time than directed. Tell your doctor if your cough returns, or if it is accompanied by a headache that doesn't go away, fever, severe sore throat, rash, or if it lasts or gets worse after 7 days. These may be signs of a serious medical problem. Get medical help right away if you think you may have a serious medical problem.The side effects of Diabetic Tussin DM Oral: Dizziness, drowsiness, nausea, and vomiting may occur. If any of these effects last or get worse, notify your doctor or pharmacist promptly. If your doctor has directed you to use this medication, remember that 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. </s>