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, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US – Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.
In Canada – Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
This medication is used to treat a type of high blood pressure in the lungs (pulmonary arterial hypertension). Treprostinil helps to delay disease worsening and increase your ability to exercise. It works by relaxing and widening the blood vessels (arteries) in the lungs and other parts of the body so that blood can flow more easily. This medication belongs to a class of drugs known as vasodilators.
How to use Orenitram ER
Read the Patient Information Leaflet if available from your pharmacist before you start taking treprostinil and each time you get a refill. If you have any questions, ask your doctor or pharmacist.
Take this medication by mouth with food as directed by your doctor, usually twice daily (every 12 hours) or three times daily (every 8 hours).
Swallow the medication whole. Do not crush or chew the tablets or use a tablet that is damaged or broken. Doing so can release all of the drug at once, increasing the risk of side effects.
The dosage is based on your medical condition, response to treatment, and other medications you may be taking. Be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products). To reduce your risk of side effects, your doctor may direct you to start this medication at a low dose and gradually increase your dose. Follow your doctor's instructions carefully.
Use this medication regularly to get the most benefit from it. Remember to take it at the same times each day. Do not stop taking this medication without 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.
Before using treprostinil, tell your doctor or pharmacist if you are allergic to it; 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: liver disease, bleeding problems, a certain intestinal disorder (diverticulosis).
This drug may make you dizzy. Alcohol or marijuana (cannabis) can make you more dizzy. Do not drive, use machinery, or do anything that needs alertness until you can do it safely. Limit alcoholic beverages. Talk to your doctor if you are using marijuana (cannabis).
Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).
During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.
It is unknown if this drug passes into breast milk. Consult your doctor before breast-feeding.
If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: severe dizziness, fainting.
Do not share this medication with others.
Lab and/or medical tests (such as blood pressure) may be done while you are taking this medication. Keep all medical and lab appointments. Consult your doctor for more details.
If you miss a dose, take it with food as soon as you remember. If it is near the time of the next dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up. If you miss 2 or more doses, ask your doctor how to safely restart the medication.
Store at room temperature away from light and moisture. Do not store in the bathroom. Keep all medications away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.
Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.