What is Remodulin? Uses, warnings & side effects

Updated May 14, 2025  •  Published Jan 25, 2021

Remodulin overview

BRAND NAMES:

  • Remodulin

Generic Names:

  • Remodulin

Uses:

  • Treats breathing problems and other symptoms caused by exercise in people who have pulmonary arterial hypertension (PAH).

Therapeutic Classes:

  • Antihypertensive, Cardiovascular Agent, Platelet Aggregation Inhibitor

Forms:

  • Injectable

How it’s taken:

  • By injection

What is Remodulin used for?

Remodulin is a vasodilator used to help treat pulmonary arterial hypertension. It treats symptoms associated with this condition, such as shortness of breath and tiredness. Remodulin reduces the quantity of blood clotting platelets in your body. Remodulin also relaxes and widens blood vessels in the body, to reduce blood pressure and improve symptoms. Remodulin is available for adults as an injection solution.

What form(s) does Remodulin come in?

  • Injectable

What are common Remodulin dosages?

  • Vial 20ML of 200MG/20ML

Remodulin images - What does Remodulin look like?

  • Remodulin
    20ml of 100mg/20ml vial

  • Remodulin
    20ml of 200mg/20ml vial

  • Remodulin
    20ml of 20mg/20ml vial

  • Remodulin
    20ml of 50mg/20ml vial

How to take Remodulin

  • Injection routeThrow away used needles in a hard, closed container that the needles cannot poke through. Keep this container away from children and pets.

  • You will need to continue using this medicine for a long period of time, possibly for many years. Talk with your doctor if you have any concerns about this.

  • Ask your doctor who to call if you have any problems with the infusion pump. You may be given a second infusion pump to have in case the first pump stops working. Make sure you have access to this pump as a backup at all times.

  • Injection routeUse a new needle and syringe each time you inject your medicine.

  • Injection routeYou will be shown the body areas where this shot can be given. Use a different body area each time you give yourself a shot. Keep track of where you give each shot to make sure you rotate body areas.

  • Your doctor or nurse will teach you how to prepare the medicine and how to use the pump for the infusion. Treprostinil must be given continuously by a portable pump. The instructions for the pump may vary depending on the particular make and model. You will be given detailed instructions on how to use and care for your pump and accessories. Make sure you understand all of the instructions before giving yourself an infusion.

  • Check the liquid in the vial. If the liquid has changed color, is cloudy, or has particles in it, do not use it.

  • Your doctor will prescribe your exact dose and tell you how often it should be given. A nurse or other trained health professional will teach you or a caregiver how to give this medicine. The medicine is given as an infusion through a catheter that is placed directly under your skin or into a vein. Do not use more medicine than your doctor tells you to.

  • Missed dose: Injection routeCall your doctor or pharmacist for instructions.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. You may keep the medicine for up to 30 days at room temperature after you open the vial and use your first dose. You will use a syringe to take medicine from the vial and insert the syringe into the pump.

  • Injection routeYou will be shown the body areas where this shot can be given. Use a different body area each time you give yourself a shot. Keep track of where you give each shot to make sure you rotate body areas.

  • Injection routeUse a new needle and syringe each time you inject your medicine.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. You may keep the medicine for up to 30 days at room temperature after you open the vial and use your first dose. You will use a syringe to take medicine from the vial and insert the syringe into the pump.

  • Ask your doctor who to call if you have any problems with the infusion pump. You may be given a second infusion pump to have in case the first pump stops working. Make sure you have access to this pump as a backup at all times.

  • Your doctor or nurse will teach you how to prepare the medicine and how to use the pump for the infusion. Treprostinil must be given continuously by a portable pump. The instructions for the pump may vary depending on the particular make and model. You will be given detailed instructions on how to use and care for your pump and accessories. Make sure you understand all of the instructions before giving yourself an infusion.

  • Your doctor will prescribe your exact dose and tell you how often it should be given. A nurse or other trained health professional will teach you or a caregiver how to give this medicine. The medicine is given as an infusion through a catheter that is placed directly under your skin or into a vein. Do not use more medicine than your doctor tells you to.

  • Check the liquid in the vial. If the liquid has changed color, is cloudy, or has particles in it, do not use it.

  • You will need to continue using this medicine for a long period of time, possibly for many years. Talk with your doctor if you have any concerns about this.

  • Injection routeThrow away used needles in a hard, closed container that the needles cannot poke through. Keep this container away from children and pets.

  • Missed dose: Injection routeCall your doctor or pharmacist for instructions.

What to do if you miss a dose of Remodulin

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

  • Injection routeAsk your pharmacist, doctor, or health caregiver about the best way to dispose of any leftover medicine, containers, and other supplies. Throw away old medicine after the expiration date has passed.

  • Injection routeThrow away used needles in a hard, closed container that the needles cannot poke through. Keep this container away from children and pets.

  • If your must stop your infusion, call your doctor or pharmacist for instructions first.

  • Look at the liquid in the vial. If the liquid has particles or specks in it or if the liquid has changed color, do not use the vial.

  • After you open the vial and use your first dose, the medicine will keep for up to 30 days at room temperature. You will use a syringe to take medicine from the vial and insert the syringe into the pump. The medicine in the syringe can be used for up to 72 hours.

Remodulin contraindications - Who shouldn't take Remodulin?

  • This medicine is not right for everyone. You should not receive it if you had an allergic reaction to treprostinil.

Remodulin warnings

  • Swelling in your hands, ankles, or feet.

  • Severe redness, pain, rash, swelling, or a hard lump where the needle is placed.

  • Do not suddenly stop receiving this medicine. Stopping the medicine suddenly may worsen the symptoms of your condition. Check with your doctor before stopping it completely.

  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

  • This medicine can cause the following problems:Increased risk of infection (including blood stream infection, sepsis) when given through a catheterLow blood pressureIncreased risk of bleeding

  • Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease, liver disease, low blood pressure, or bleeding problems.

Remodulin interactions & what to avoid when taking Remodulin

  • Make sure your doctor knows if you are also using medicine to lower blood pressure. Some blood pressure medicines are atenolol, lisinopril, metoprolol, quinapril, Accupril®, Cozaar®, Diovan®, Lotrel®, Norvasc®, Toprol®, or Zestril®.

  • Tell your doctor if you use a diuretic ("water pill") such as furosemide, hydrochlorothiazide (HCTZ), indapamide, metolazone, spironolactone, torsemide, triamterene, Aldactone®, Demadex®, Lasix®, Lozol®, Maxzide®, or Zaroxolyn®.

  • Some medicines can affect how treprostinil works. Tell your doctor if you are using any of the following:Aspirin, gemfibrozil, rifampinBlood pressure medicineBlood thinner (including warfarin)Diuretic (water pill)NSAID pain or arthritis medicine (including diclofenac, ibuprofen, naproxen)

Remodulin side effects - How does Remodulin make you feel?

Serious Side Effects

  • Swelling in your hands, ankles, or feet

  • Severe redness, pain, rash, swelling, or a hard lump where the needle is placed

  • Increased trouble breathing, chest tightness, lightheadedness or fainting

  • Extreme warmth or redness in the face, neck, arms, or upper chest

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Swelling in your hands, ankles, or feet.

  • Unusual bleeding, bruising, or weakness

Less Serious Side Effects

  • Jaw pain

  • Mild skin itching.

  • Headache

  • Anxiety or restlessness

  • Nausea, vomiting, diarrhea

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