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(iloprost) Inhalation Solution


Ventavis (iloprost) Inhalation Solution is a clear, colorless, sterile solution containing iloprost formulated for inhalation via the I-neb® AAD® (Adaptive Aerosol Delivery) System. Ventavis is supplied in 1 mL single-use glass ampules containing either 10 mcg/mL or 20 mcg/mL.

For the 10 mcg/mL solution, one mL of the solution contains 0.01 mg iloprost, 0.81 mg ethanol, 0.121 mg tromethamine, 9.0 mg sodium chloride, and approximately 0.51 mg hydrochloric acid (for pH adjustment to 8.1) in water for injection.

For the 20 mcg/mL solution, one mL of the solution contains 0.02 mg iloprost, 1.62 mg ethanol, 0.242 mg tromethamine, 9.0 mg sodium chloride, and approximately 0.76 mg hydrochloric acid (for pH adjustment to 8.4) in water for injection.

The solution contains no preservatives.

The chemical name for iloprost is (E)-(3aS, 4R, 5R, 6aS)-hexahydro-5-hydroxy-4-[(E)(3S,4RS)-3-hydroxy-4-methyl-1-octen-6-ynyl]-Δ2(1H), Δ -pentalenevaleric acid. Iloprost consists of a mixture of the 4R and 4S diastereoisomers at a ratio of approximately 53:47. Iloprost is an oily substance, which is soluble in methanol, ethanol, ethyl acetate, acetone, and pH 7 buffer, sparingly soluble in buffer pH 9, and very slightly soluble in distilled water, buffer pH 3, and buffer pH 5. The molecular formula of iloprost is C22H32O4. Its relative molecular weight is 360.49. The structural formula is shown below:

VENTAVIS® (iloprost) Structural Formula Illustration

What are the possible side effects of iloprost inhalation (Ventavis)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • feeling like you might pass out;
  • pounding heartbeats or fluttering in your chest;
  • coughing up blood;
  • unusual bleeding (nosebleeds, bleeding gums);
  • fever, chills, cough with yellow or green mucus;
  • chest tightness, stabbing chest pain, wheezing, feeling short of breath; or
  • anxiety, sweating,...

Read All Potential Side Effects and See Pictures of Ventavis »

What are the precautions when taking iloprost (Ventavis)?

Before using iloprost, 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: low blood pressure, liver problems, kidney problems, bleeding problems, other breathing problems (such as asthma).

This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.

During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your...

Read All Potential Precautions of Ventavis »

Last reviewed on RxList: 11/9/2016
This monograph has been modified to include the generic and brand name in many instances.

Ventavis - User Reviews

Ventavis User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Ventavis sorted by most helpful. Patient Discussions FAQs

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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