 <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]  consulting your doctor. Your condition may become worse when this drug is suddenly stopped. Your dose may need to be gradually decreased. Your doctor may direct you to use other medications in addition to treprostinil to treat your condition and to prevent problems. Use all prescribed medications exactly as directed. Tell your doctor if your condition does not improve or if it worsens.The side effects of Orenitram Month 2 Titration Kt Oral: Headache, nausea, diarrhea, jaw pain, flushing, dizziness, and abdominal pain may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. An empty tablet shell may appear in your stool. This effect is harmless because your body has already absorbed the medication. To reduce the risk of dizziness and lightheadedness, get up slowly when rising from a sitting or lying position. 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: muscle cramps, weakness, unusual bleeding/bruising. A very serious allergic reaction to this drug is rare. However </s>