Yerba Mate - Ortho-Est (Estrone) Interaction
Herbal: Yerba Mate
Also Known As: Ilex paraguariensis, Chimarrao, Green Mate, Hervea, Ilex, Jesuit's Brazil Tea, Jesuit's Tea, Maté, Maté Folium, Paraguay Tea, St. Bartholemew's Tea, Thé de Saint Barthélémy, Thé des Jésuites, Thé du Brésil, Thé du Paraguay, Yerbamate, Yerba Mate
Drug: Estrone
Brand names:
Ortho-Est
Medical Content Editor Dr. Brian Staiger, PharmD
Last updated
Jul 22, 2023
Interaction Details
Estrone is classified as belonging to the following category: Estrogens
Theoretically, estrogens might increase the levels and adverse effects of the caffeine in yerba mate.
Yerba mate contains caffeine. Estrogen inhibits caffeine metabolism.
Interaction Rating
Likelihood of Occurrence
ProbableInteraction has not been documented in well-controlled studies, however, the interaction has been demonstrated in some small human studies or in controlled animal studies in conjunction with multiple case reports.
References
- Pollock BG, Wylie M, Stack JA, et al. Inhibition of caffeine metabolism by estrogen replacement therapy in postmenopausal women. J Clin Pharmacol 1999;39:936-40.
Yerba Mate Overview
Yerba mate is a plant native to South America. It is often consumed as a tea and is known for its stimulating effects, similar to those of coffee or other caffeine-containing drinks.
In addition to its use as a beverage, yerba mate has also been used medicinally as it is believed to have antioxidant, anti-inflammatory, and potentially weight loss-promoting effects. Some studies have also suggested that yerba mate may have a positive effect on blood sugar control, cholesterol levels, and blood pressure. It is also sometimes used as a laxative at higher doses.
Yerba Mate - More Interactions
Yerba Mate interacts with 1037 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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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.
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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!
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