Saffron - BiDil (Isosorbide Dinitrate, Hydralazine) Interaction
Herbal: Saffron
Also Known As: Crocus sativus, Autumn Crocus, Azafrán, Azafron, Croci Stigma, Crocin, Crocus Cultivé, Indian Saffron, Kashmira, Kesar, Kumkuma, Saffron Crocus, Safran, Safran Espagnol, Safran des Indes, Safran Véritable, Spanish Saffron, True Saffron, Zafran
Drug: Isosorbide Dinitrate, Hydralazine
Brand names:
BiDil

Medical Content Editor Dr. Brian Staiger, PharmD
Last updated
May 11, 2025
Interaction Details
Isosorbide Dinitrate, Hydralazine is classified as belonging to the following category: Antihypertensive Drugs
Theoretically, concomitant use of saffron with antihypertensive drugs might have additive effects.
Animal and human research suggests that saffron extract can decrease blood pressure.
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
- Fatehi, M., Rashidabady, T., and Fatehi-Hassanabad, Z. Effects of Crocus sativus petals' extract on rat blood pressure and on responses induced by electrical field stimulation in the rat isolated vas deferens and guinea-pig ileum. J Ethnopharmacol. 2003;
- Modaghegh, M. H., Shahabian, M., Esmaeili, H. A., Rajbai, O., and Hosseinzadeh, H. Safety evaluation of saffron (Crocus sativus) tablets in healthy volunteers. Phytomedicine. 2008;15(12):1032-1037.
- Imenshahidi, M., Hosseinzadeh, H., and Javadpour, Y. Hypotensive effect of aqueous saffron extract (Crocus sativus L.) and its constituents, safranal and crocin, in normotensive and hypertensive rats. Phytother.Res 12-9-2009;
- Safarinejad MR, Shafiei N, Safarinejad S. An open label, randomized, fixed-dose, crossover study comparing efficacy and safety of sildenafil citrate and saffron (Crocus sativus Linn.) for treating erectile dysfunction in men naïve to treatment. Int J Impo
Saffron Overview

Saffron - More Interactions
Saffron interacts with 515 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. |
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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.
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Drug descriptions are provided by MedlinePlus.