Herb & supplement monograph

Lotus Drug Interactions, Uses, Effectiveness, Safety & More

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS ·Updated July 2026

What is this page for?

First and foremost: how Lotus interacts with medications. The heart of this page is the interaction list — every drug Lotus is known to interact with, and how serious each one is.

But these pages have grown well beyond that into a full monograph — what Lotus 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

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Lotus Drug Interactions: The Bottom Line

From the HelloPharmacist Editorial Team · Updated July 2026

Based on the available evidence, the overall risk of a clinically significant Lotus drug interaction appears low for most people, since every documented concern is theoretical rather than confirmed in humans. None of the listed interactions are rated major, and all of them rest on lab or animal research rather than studies in people.

Interactions deserving the most attention

The concerns worth the most attention involve medicines where even a small added effect could matter. Lotus compounds reduced platelet clumping in lab studies, so pairing it with blood thinners or antiplatelet drugs could in theory raise bleeding risk. Animal research suggests lotus lowers blood glucose and strengthens insulin's effect, which could matter for anyone whose diabetes medications keep blood sugar in a tight range. One animal study also found lotus prolonged sleep from pentobarbital, hinting at extra sedation.

What the rest of the list means

The long list of interacting medications reflects a few broad, theoretical concerns applied across many individual drugs, not proof that each combination is harmful. So far, none of these predicted effects has been confirmed to cause meaningful problems in people. That does not guarantee safety, but it does mean these are precautions rather than established risks.

Check your medications against Lotus

Based on HelloPharmacist’s Lotus interaction data and reviewed under our editorial standards.

Interaction report

Drugs that interact with Lotus

212 medications have a known interaction with Lotus, graded by severity. Select any drug for the full evidence-based detail.

Don’t want to scroll the list? Just ask.

Tell us the medications you take and we’ll check each one against Lotus using our pharmacist-reviewed interaction data.

AI summaries are generated from our Lotus interaction data for education only — always confirm with your pharmacist. How we use AI

2,830 drugs

Read The List Like a Pharmacist

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 Lotus combination — clinical detail, likelihood, evidence level, and citations.
Content is reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

The big picture

The kinds of drugs Lotus affects

Every type of medication (drug category) Lotus is known to interact with. Open any category for the detail — or search your exact drug in the checker above.

All 3 drug categories Lotus interacts with

Anticoagulant/antiplatelet DrugsAntidiabetes DrugsPentobarbital (nembutal)

Anticoagulant/Antiplatelet Drugs

Theoretically, concurrent use of lotus with other antiplatelet drugs might reduce platelet aggregation and increase the risk of bleeding.
Neferine and isoliensinine, constituents of lotus, have been shown to inhibit platelet aggregation, in vitro. These constituents can inhibit the production of pro-aggregating factors like prostaglandins.

Likelihood Possible Evidence D

Antidiabetes Drugs

Theoretically, lotus might have additive effects with antidiabetes drugs and increase the risk of hypoglycemia.
Animal research shows that the ethanolic extract of lotus reduces blood glucose levels and potentiates the effects of injected insulin. Monitor blood glucose levels closely. Dose adjustments might be necessary.

Likelihood Possible Evidence D

Pentobarbital (Nembutal)

Theoretically, taking lotus concomitantly with pentobarbital might increase sedation.
Animal research shows that lotus extract increases pentobarbitone-induced sleeping time. It is not known if this occurs in humans or if this effect occurs with other barbiturates or sedatives.

Likelihood Possible Evidence D

Monograph

Lotus: Uses, Safety & Side Effects

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Reviewed July 2026 ·

The bottom line

Lotus is an edible aquatic plant used in food and traditional medicine across Asia, with parts like the seeds, leaves, and flowers taken for digestion, calm, and overall wellness. Most health claims come from laboratory and animal research rather than strong human studies, so its benefits as a supplement are not well proven. Eating lotus as food is generally safe, but talk to your pharmacist or doctor before using concentrated supplements, especially if you are pregnant, breastfeeding, or taking other medicines.

Scientific name: Nelumbo nucifera
Family: Nelumbonaceae
Part used: Seeds, leaves, flowers, rhizome (root), and stamens
Common forms: Tea, capsules, powders, dried seeds, extracts, and culinary foods

People commonly use it for

Digestive upset and diarrhea
Anxiety and relaxation
Sleep support
Blood sugar and cholesterol support
Skin and general wellness

Popular and traditional uses — not proof it works. See “Uses & effectiveness” below for the evidence.

Safety at a glance

OverallUse caution

Common as a food, but supplement safety has not been well studied in humans.

PregnancyInsufficient reliable information

Insufficient reliable information available on the medicinal use of lotus; avoid using.

Read the full pregnancy detail

BreastfeedingInsufficient reliable information

Insufficient reliable information available on the medicinal use of lotus; avoid using.

Read the full breastfeeding detail

Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center). Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

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Overview

Lotus (Nelumbo nucifera) is an aquatic flowering plant native to Asia. It is often called the sacred lotus or Indian lotus and holds deep cultural and spiritual meaning in many countries. It grows in ponds and slow-moving water, producing large pink or white flowers and round seed pods.

Nearly every part of the plant is used. The seeds, leaves, flowers, stamens, and the crunchy underwater stem (rhizome) are all eaten as food in many Asian cuisines. In traditional medicine systems, these same parts have long been used to support digestion, calm the mind, and promote general health.

Today lotus is sold as teas, capsules, powders, and extracts. It is important to note that "blue lotus" (Nymphaea caerulea) is a different plant sometimes sold under a similar name, even though it is also called a water lily.

How it works

Lotus contains many natural plant compounds, including flavonoids (such as quercetin and kaempferol), alkaloids (such as nuciferine and neferine), and antioxidants. Researchers believe these compounds are responsible for the plant's possible effects.

In laboratory and animal studies, lotus extracts have shown the ability to reduce inflammation, fight oxidative stress, and influence blood sugar and fat levels. Some alkaloids found in the leaves and seed embryos appear to have calming or sedative-like effects in animals.

It is important to understand that these mechanisms are mostly based on test-tube and animal research. How well they apply to people taking lotus supplements is still unclear.

Effectiveness

Does Lotus work?

Here’s what the research actually shows for each use — graded by Natural Medicines and reviewed by Dr. Brian Staiger, PharmD.

Evidence overview · 14 uses evaluated

14 Insufficient evidence

How to read these evidence grades

Natural Medicines’ 7-point scale. We show each rating’s label word-for-word.

1EffectiveStrong, consistent evidence it works.

2Likely EffectiveGood evidence, though not yet conclusive.

3Possibly EffectiveSome evidence suggests a benefit.

4Possibly IneffectiveSome evidence it may not help.

5Likely IneffectiveFairly strong evidence it doesn’t help.

6IneffectiveStrong evidence it doesn’t work.

7Insufficient Reliable Evidence to RateToo little research to say either way.

For Lotus, current evidence isn’t strong enough to rate any specific use. The conditions it has been studied for are listed below.

Also studied for 14 conditions — evidence insufficient to rate

Insufficient Reliable Evidence To Rate Anxiety