 <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 precautions of Guaiatussin AC Oral: Before taking this medication, tell your doctor or pharmacist if you are allergic to any of its ingredients; or to opioid pain relievers (such as morphine); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details. Before using this medication, tell your doctor or pharmacist your medical history, especially of: abdominal problems (such as chronic constipation, ileus, gallbladder disease, pancreatitis), adrenal gland problem (such as Addison's disease), brain disorders (such as seizures, head injury, tumor, increased intracranial pressure), breathing problems (such as asthma, emphysema, sleep apnea), heart problems (such as irregular heartbeat), kidney disease, liver disease, mental/mood disorders (such as depression, psychosis), obesity, a certain spinal problem (kyphoscoliosis), underactive thyroid (hypothyroidism), trouble urinating (such as due to enlarged prostate or urethral stricture), personal or family history of a substance use disorder (such as overuse of or addiction to drugs/alcohol). This drug may make you </s>