 <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]  this drug is suddenly stopped. Your dose may need to be gradually decreased. Since this drug can be absorbed through the skin and lungs and may harm an unborn baby, women who are pregnant or who may become pregnant should not handle this medication or breathe the dust from the tablets. Tell your doctor if your condition does not get better or if it gets worse.The side effects of Tracleer Oral: See also Warning section. Dizziness, flushing, stuffy nose, or joint pain may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. Remember that this medication has been prescribed because 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. Tell your doctor right away if you have any serious side effects, including: fast/pounding heartbeat, unusual tiredness, swelling ankles/feet, unusual/sudden weight gain, fainting, shortness of breath, coughing up blood. In men, this medication can decrease sperm production, which may affect the ability to father a child. Talk to your doctor for more details. A very serious allergic reaction to this drug is rare. However, get medical help right away if </s>