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Treprostinil Diolamine

Pronounced

"tre-PROS-ti-nil"

Uses

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 This Medication

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.

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Drug information is selected from data included with permission and copyrighted by First DataBank, Inc. This is a summary and does not contain all possible information about this product. For complete information about this product or your specific health needs, ask your healthcare professional. Always seek the advice of your healthcare professional if you have any questions about this product or your medical condition. This information is not intended as individual medical advice and does not substitute for the knowledge and judgment of your healthcare professional. This information does not contain any assurances that this product is safe, effective or appropriate for you.

This information is intended only for residents of the United States. Products sold under the same brand names in other countries may contain different ingredients.

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Information expires December 2025.