Dodder Drug Interactions, Uses, Effectiveness, Safety & More
What is this page for?
First and foremost: how Dodder interacts with medications. The heart of this page is the interaction list — every drug Dodder is known to interact with, and how serious each one is.
But these pages have grown well beyond that into a full monograph — what Dodder is, what people use it for and how strong the evidence is, its safety and side effects, and answers to the questions we’re asked most — written and reviewed by the clinical staff at HelloPharmacist. It’s educational information from our licensed clinical databases, not medical advice, and we don’t sell or endorse products. Our editorial policy
Check Dodder against your medication
Add one medicationDrugs that interact with Dodder
0 medications have a known interaction with Dodder, graded by severity. Select any drug for the full evidence-based detail.
We don’t currently list any known drug interactions for Dodder. This doesn’t guarantee none exist — always confirm with your pharmacist before combining supplements with your medications.
What Severity, Likelihood & Evidence Mean
Severity — How Serious It Can Be
- Major. Clinically significant; generally best avoided, or used only under direct professional supervision.
- Moderate. May need monitoring, a dose adjustment, or separating the times you take each one.
- Minor. Generally not clinically significant, but still worth noting and mentioning to your pharmacist.
- No known interaction. Checked against our sources with nothing documented — not the same as proven safety.
Likelihood — How Well It’s Documented
- Likely. Well-controlled human studies have demonstrated the likely existence of this interaction
- Probable. Interaction 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.
- 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
- Unlikely. Interaction has been demonstrated in animal or in lab research but has been shown not to occur in humans.
Where This Data Comes From
- Interaction records are evidence-graded and sourced from the Natural Medicines database (TRC Healthcare), the same reference used by pharmacists and hospitals.
- Each drug listed above links to the full report for that exact Dodder combination — clinical detail, likelihood, evidence level, and citations.
- Content is reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.
Dodder: Uses, Safety & Side Effects
Dodder (Cuscuta) is a parasitic plant whose seeds are used in traditional Chinese and Middle Eastern medicine, mainly for sexual, kidney, and energy-related complaints. Human evidence for any of these uses is very limited, and safety has not been well studied, so talk with your pharmacist or doctor before trying it.

- Scientific name
- Cuscuta chinensis
- Family
- Convolvulaceae
- Part used
- Seeds (and sometimes the whole vine)
- Common forms
- Dried seeds, powders, capsules, tinctures, teas, and ingredients in traditional Chinese herbal formulas
- Sexual health and impotence
- Energy and fatigue
- Kidney and reproductive support (in traditional medicine)
- Eye health and vision
- Liver support
Popular and traditional uses — not proof it works. See “Uses & effectiveness” below for the evidence.
Human safety data are limited, so use cautiously and under guidance from a healthcare professional.
Insufficient reliable information available; avoid using.
Read the full pregnancy detailInsufficient reliable information available; avoid using.
Read the full breastfeeding detailPregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center). Safety guidance is general; always confirm with your pharmacist or doctor for your situation.
Overview
Dodder is a group of parasitic plants in the genus Cuscuta. Instead of normal leaves and roots, it grows as thin, tangled, yellow-orange vines that wrap around other plants and draw water and nutrients from them. Common species used in traditional medicine include Cuscuta chinensis, Cuscuta epithymum, and Cuscuta campestris.
The part most often used as a supplement is the small, dried seeds. In Traditional Chinese Medicine the seeds are known as tu si zi, and in Middle Eastern and European herbal traditions the plant has been called aftimun or aftimoun.
People traditionally use dodder seeds to support sexual health, energy, the kidneys, and the eyes. It is sold as dried seeds, powders, capsules, tinctures, teas, and as part of multi-herb formulas.
How it works
Dodder seeds contain plant compounds such as flavonoids (including quercetin and kaempferol), lignans, and polysaccharides. In laboratory and animal studies, these compounds show antioxidant activity, meaning they may help neutralize unstable molecules called free radicals.
Some animal research suggests dodder extracts may affect reproductive hormones and protect certain tissues, which is the proposed basis for its traditional use in sexual and kidney health. Other lab work points to possible anti-inflammatory and liver-protective effects.
It is important to remember that these mechanisms come mostly from test tube and animal studies. They do not prove that the same effects happen in people who take dodder supplements.
Does Dodder work?
How to read these evidence grades
Natural Medicines’ 7-point scale. We show each rating’s label word-for-word.
For Dodder, current evidence isn’t strong enough to rate any specific use. The conditions it has been studied for are listed below.
Also studied for 2 conditions — evidence insufficient to rate
Insufficient Reliable Evidence To Rate Atopic dermatitis (eczema)
Preliminary clinical research in adults with moderate to severe atopic dermatitis shows that taking a combination of whey powder 30 grams daily and dodder seed extract 2 grams daily for 15 days improves symptoms, including pruritus, skin moisture, and skin elasticity, when compared with placebo. These improvements persisted a few weeks after the supplement was discontinued. It is not clear if these effects are due to dodder seed extract, whey powder, or the combination.
Insufficient Reliable Evidence To Rate Depression
A small clinical study shows that taking dodder aerial part powder 2 grams daily in combination with conventional antidepressant medications for 8 weeks improves overall symptoms of depression by 71% to 76% compared to 41% to 45% in patients using conventional medications alone.
Source & disclaimer. Effectiveness ratings and evidence summaries are provided by Natural Medicines (Therapeutic Research Center) and shown as licensed. Where Natural Medicines hasn’t rated a use, HelloPharmacist’s pharmacists may add their own reviewed rating and evidence (each such entry is labeled). This is educational information, not medical advice — talk with your pharmacist or doctor before starting, stopping, or changing a supplement.
Safety & precautions
The safety of dodder in humans has not been well studied. Because reliable data are limited, it should be used cautiously and ideally under the guidance of a knowledgeable healthcare professional.
People with hormone-sensitive conditions, kidney disease, or liver problems should be especially careful and check with a doctor first, since dodder's effects in these situations are not clear.
Pregnancy and breastfeeding: There is not enough information to consider dodder safe during pregnancy or breastfeeding, and some traditional sources caution against it. To be safe, it is best to avoid dodder if you are pregnant, trying to become pregnant, or nursing.
As with any herbal product, quality and purity can vary between brands, and products are not tightly regulated. Choose reputable manufacturers and let your pharmacist or doctor know about everything you take.
Side effects
Because dodder has not been studied carefully in people, its full side effect profile is unknown. Reported or possible effects include mild digestive upset, such as stomach discomfort or nausea.
As with any plant product, an allergic reaction is possible. Stop using it and seek medical care if you develop a rash, itching, swelling, or trouble breathing.
Stop the supplement and contact a healthcare provider if you notice any unexpected or bothersome symptoms while taking it.
Dodder: Reported Adverse Effects
Documented safety reports on Dodder from the evidence-graded Natural Medicines (TRC Healthcare) database, shown word-for-word from the licensed record.
Orally, dodder is generally well tolerated. High doses may cause intestinal colic and diarrhea.
- Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.
- Mehrbani M, Choopani R, Fekri A, Mehrabani M, Mosaddegh M, Mehrabani M. The efficacy of whey associated with dodder seed extract on moderate-to-severe atopic dermatitis in adults: A randomized, double-blind, placebo-controlled clinical trial. J Ethnopharm
Anorexia Gastrointestinal
Orally, a combination of whey and dodder seed extract has been reported to cause anorexia, mild dyspepsia, and feelings of stomach heaviness. It is not known if these symptoms are related to whey, dodder, or the combination. Intestinal colic and diarrhea have been reported as possible symptoms of dodder overdose. Traditional sources suggest a maximum daily dose of 8 grams of dodder aerial parts.
- Mehrbani M, Choopani R, Fekri A, Mehrabani M, Mosaddegh M, Mehrabani M. The efficacy of whey associated with dodder seed extract on moderate-to-severe atopic dermatitis in adults: A randomized, double-blind, placebo-controlled clinical trial. J Ethnopharm
- Firoozabadi A, Zarshenas MM, Salehi A, Jahanbin S, Mohagheghzadeh A. Effectiveness of Cuscuta planiflora Ten. and Nepeta menthoides Boiss. & Buhse in major depression: a triple-blind randomized controlled trial study. J Evid Based Complementary Altern Med
Adverse-effects data: Natural Medicines, Therapeutic Research Center
Dosing
There is no well-established, standardized dose of dodder for any health condition. Traditional formulas vary widely, and the strength of commercial products differs from brand to brand.
If you choose to use a dodder product, follow the directions on the label and do not exceed the recommended amount. Because there is no proven safe and effective dose, it is wise to start low and check with a pharmacist or doctor before beginning.
Dodder & Pregnancy
Dodder & Breastfeeding
© 2026 Therapeutic Research Center
Pregnancy & lactation ratings: Natural Medicines, Therapeutic Research Center
References & further reading
The 3 references that drive our Dodder monograph and interaction data, from the evidence-graded Natural Medicines (TRC Healthcare) database. Citations with a link open the study on PubMed or the publisher’s site.
- Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.
- Mehrbani M, Choopani R, Fekri A, Mehrabani M, Mosaddegh M, Mehrabani M. The efficacy of whey associated with dodder seed extract on moderate-to-severe atopic dermatitis in adults: A randomized, double-blind, placebo-controlled clinical trial. J Ethnopharm PubMed
- Firoozabadi A, Zarshenas MM, Salehi A, Jahanbin S, Mohagheghzadeh A. Effectiveness of Cuscuta planiflora Ten. and Nepeta menthoides Boiss. & Buhse in major depression: a triple-blind randomized controlled trial study. J Evid Based Complementary Altern Med
This information is for education only and is not a substitute for professional medical advice. Always check with your pharmacist or doctor before starting, stopping, or combining supplements and medications.
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
Brands that make products with Dodder
44 brands in our database make a supplement containing Dodder.
Supplement products with Dodder
163 products in our database contain Dodder. Open any to see its full ingredient list and every drug interaction we check.
Dodder: Common Questions
What is Dodder used for, and does it work?
Does Dodder interact with prescription medications?
How are Dodder interactions rated?
Is it safe to take Dodder with my medications?
Where does this Dodder interaction information come from?
What is Dodder used for?
Is Dodder safe to take?
Can I take Dodder during pregnancy or while breastfeeding?
How is Dodder taken?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Products that contain Dodder
A rotating sample of real supplements in our database that list Dodder — open any to see its full ingredients and every drug interaction we check.
- Vitilax by Merry Clinic
- VigFX by Leading Edge Health
- Schisandra Adrenal Complex by Planetary Herbals
- Tu Si Zi by Hawaii Pharm
- Fertile Garden by Health Concerns
- Tremella And American Ginseng by Health Concerns
- Halotropin by PS ProSupps
- Left-Side Replenishing Teapills by Plum Flower
- Libido Lift for Men & Women by Nature's Health
- Vitilax by Merry Clinic
Have a question about Dodder?
Our pharmacists answer your medication & supplement questions — free.