Ash - Ventavis (Iloprost) Interaction
Herbal: Ash
Also Known As: Fraxinus americana, Fraxinus excelsior, Bird's Tongue, Common Ash, European Ash, Franc Frêne, Frêne, Frêne d'Amérique, Frêne Blanc, Frêne Blanc d'Amérique, Frêne Commun, Frêne Élevé, Frêne Franc, Fresno Americano, Fresno Blanco, Grand Frêne, Lissan Ettir, Weeping Ash
Drug: Iloprost
Brand names:
Ventavis
Medical Content Editor Dr. Brian Staiger, PharmD
Last updated
Jun 22, 2025
Interaction Details
Iloprost is classified as belonging to the following category: Antihypertensive Drugs
Theoretically, concomitant use of ash seed with antihypertensive drugs might have additive blood pressure lowering effects. Animal research shows that ash seed extract can decrease blood pressure. This effect has not been evaluated in humans. Until more is known, use cautiously in patients taking antihypertensive drugs.
Some antihypertensive drugs include nifedipine (Adalat, Procardia), verapamil (Calan, Isoptin, Verelan), diltiazem (Cardizem), isradipine (DynaCirc), felodipine (Plendil), amlodipine (Norvasc), and others.
Interaction Rating
Likelihood of Occurrence
PossibleInteraction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists
References
- Montó F, Arce C, Noguera MA, et al. Action of an extract from the seeds of Fraxinus excelsior L. on metabolic disorders in hypertensive and obese animal models. Food Funct. 2014;5(4):786-96.
Ash Overview
Ash is a type of tree and is also known as European ash or common ash. It is a large, deciduous tree that is native to Europe and parts of Asia and is widely cultivated in other parts of the world.
The ash tree is known for its distinctive bark and its strong, flexible wood. A popular ornamental tree, the seeds are used in food and as medicine for a wide range of conditions, including fever, arthritis, bladder stones, obesity, diabetes, and gastrointestinal issues.
Iloprost Overview
-
Iloprost is used to treat certain kinds of pulmonary arterial hypertension (PAH; high blood pressure in the vessels carrying blood to the lungs, causing shortness of breath, dizziness, and tiredness). Iloprost may improve the ability to exercise and slow the worsening of symptoms in patients with PAH. Iloprost is in a class of medications called vasodilators. It works by relaxing the blood vessels, including those in the lungs.
Ash - More Interactions
Ash interacts with 253 drugs
Interaction Rating Key
These severity listings are for informational use only. Never start, stop or otherwise change your therapy before speaking with your provider.
| Major | The combined use of these agents is strongly discouraged as serious side effects or other negative outcomes could occur. |
| Moderate | Use cautiously under the care of a healthcare professional or avoid this combination. A significant interaction or negative outcome could occur. |
| Minor | Be aware that there is a chance of an interaction. Watch for warning signs of a potential interaction. |
| Unknown | No interactions have been reported or no interaction data is currently available. |
Return to the main supplement interaction checker page
Parts of this content are provided by the Therapeutic Research Center, LLC.
DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.
© 2021 Therapeutic Research Center, LLC
Drug descriptions are provided by MedlinePlus.
Ask A Pharmacist About Your Herbal Questions!
Dr. Brian Staiger, PharmD
In addition to being a clinical pharmacist specializing in pharmacotherapy, Dr. Brian Staiger is a registered herbalist through the American Herbalist Guild. He has combined his passion for pharmacy practice with the study of medical ethnobotany to improve patient care. Feel free to reach out about any of your herbal or medication questions!
Ask A Pharmacist