 <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] oon. Do not use a household spoon because you may not get the correct dose. Guaifenesin may have a bitter taste. Swallow capsules and tablets whole. Some tablets may be split if they have a score line and your doctor or pharmacist tells you to do so. Chewable tablets may be swallowed whole or chewed. Dosage is based on your age, medical condition, and response to treatment. Do not increase your dose or take this drug more often than directed. Drink plenty of fluids while taking this medication. Fluids will help to break up mucus and clear congestion. Caffeine can increase the side effects of this medication. Avoid drinking large amounts of beverages containing caffeine (coffee, tea, colas), eating large amounts of chocolate, or taking nonprescription products that contain caffeine. Tell your doctor if your condition is accompanied by headache that doesn't go away, fever, severe sore throat, rash, or if it lasts, returns, 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 Entex T Oral: Nausea or headache may occur. If either of these effects lasts or </s>