Interaction Details

Progestin, Oral Contraceptive is classified as belonging to the following category: Cytochrome P450 3A4 (Cyp3A4) Substrates

There is preliminary evidence that American elder can inhibit the cytochrome P450 3A4 (CYP3A4) enzymes. Theoretically, American elder might increase levels of drugs metabolized by CYP3A4; however, this interaction has not been reported in humans. Some drugs metabolized by CYP3A4 include lovastatin (Mevacor), ketoconazole (Nizoral), itraconazole (Sporanox), fexofenadine (Allegra), triazolam (Halcion), and numerous others. Use American elder cautiously or avoid in patients taking these drugs.

Interaction Rating

Moderate

Likelihood of Occurrence

Possible

Interaction 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

  • Budzinski JW, Foster BC, Vandenhoek S, Arnason JT. An in vitro evaluation of human cytochrome P450 3A4 inhibition by selected commercial herbal extracts and tinctures. Phytomedicine 2000;7:273-82.

American Elder Overview

American Elder The American elder (Sambucus canadensis) is a plant native to North America. It is a member of the Caprifoliaceae family and is commonly known as elderberry or simply 'elder'. It has large leaves and produces clusters of small, white, or cream-colored flowers. The plant's fruit is a dark blue/purple berry. American elder (Sambucus canadensis) and black elder (Sambucus nigra) are two different species of plants in the Sambucus genus. Both are used in traditional medicine and as food. They are claimed to have a variety of health benefits and are commonly used for their purported immune system-stimulating effects. However, black elder (Sambucus nigra) is far more commonly utilized in dietary supplements.
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Progestin, Oral Contraceptive Overview

  • Progestin-only (drospirenone) oral contraceptives are used to prevent pregnancy. Progestin is a female hormone. It works by preventing the release of eggs from the ovaries (ovulation) and changing the cervical mucus and the lining of the uterus. Progestin-only oral contraceptives are a very effective method of birth control, but they do not prevent the spread of of human immunodeficiency virus (HIV, the virus that causes acquired immunodeficiency syndrome [AIDS]) and other sexually transmitted diseases.

See More Information Regarding Progestin-Only (drospirenone) Oral Contraceptives

American Elder - More Interactions

American Elder interacts with 603 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.

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!

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