Drug & supplement interaction

Corn Poppy + Propantheline

Propantheline brand names: Propanthel, Pro-Banthine.

No Known Interaction

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated July 2026 · Pair last verified Sep 20, 2026

The bottom line No known interaction

We found no known interaction between Corn Poppy and Propantheline in our sources. Absence of a documented interaction is not the same as proven safety, and does not guarantee one does not exist. Do not start, stop, or change a medication or supplement based on this page; confirm with your pharmacist or doctor first.

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Interaction report

Corn Poppy and Propantheline

We checked these two against our interaction database. Here is what we found.

No Known Interaction Found

We did not find a documented interaction between Propantheline and Corn Poppy in our sources. This does not guarantee that the combination is completely free of risk — there is often limited research on supplements and herbal products, especially around drug interactions.

If you decide to take both, the practical routine is simple: add one new thing at a time and note the date you started it. If the combination is going to disagree with you, it usually shows in the first days to a couple of weeks — and a start date turns “I’ve been feeling off” into something a pharmacist can actually work with. Do not stop a prescribed medicine on your own.

Always talk with your pharmacist or doctor before making changes to your medications or supplements, particularly if you take several medications or have an ongoing health condition.

Corn Poppy safety at a glance

Corn Poppy overall Use caution Generally low in strong alkaloids, but human safety data are limited and it should be used cautiously.

Pregnancy Avoid Not enough safety information, so it is best avoided during pregnancy.

Breastfeeding Avoid Not enough safety information, so it is best avoided while breastfeeding.

Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Still wondering about combining Propantheline and Corn Poppy? Ask Dr. Brian Staiger, PharmD, BCPS directly ›

How we checked

Why No Interaction Is Listed for Propantheline

Interactions in our licensed database are recorded against drug classes, not just single drug names. Propantheline is filed under 2 classifications — anticholinergic drugs, oral drugs. Corn Poppy has documented interactions with 1 drug class — the most serious being cns depressants (moderate) — and none of Propantheline’s classifications are among them.

Classification data comes from our licensed Natural Medicines dataset. A medication can belong to classes beyond those recorded there, so this describes how the check was run — it is not a safety guarantee.

Keep it in perspective

Corn Poppy Does Interact With Other Medications

Corn Poppy has 248 moderate known drug interactions in our database — Propantheline isn’t one of them. If you take anything else, check it against the full list below.

Moderate 248 No known interaction 2,582 (incl. Propantheline)

Taking anything else?

Check Another of Your Medications Against Corn Poppy

Covers the 2,830 medications we’ve checked against Corn Poppy. Pick one to open its full report.

What to actually watch for

What Corn Poppy Itself Has Been Linked To

This is not an interaction — nothing below involves Propantheline. It is the side-effect record for Corn Poppy on its own, from the licensed Natural Medicines monograph. If something new turns up after you add Corn Poppy, this list is the first place to look. One entry is worth acting on rather than waiting out — marked below.

Hives Worth acting on Additional detail
“Topically, corn poppy flowers may cause allergic contact urticaria.”

Corn Poppy · Natural Medicines adverse-effect record, reported in urticaria.
1 source cited

46284. Gamboa, P. M., Jauregui, I., Urrutia, I., Gonzalez, G., Barturen, P., and Antepara, I. Allergic contact urticaria from poppy flowers (Papaver rhoeas). Contact Dermatitis 1997;37(3):140-141.

Everything above comes from the Natural Medicines adverse-effect record for Corn Poppy — expand a row for the licensed statement it rests on. We haven’t matched Propantheline to its FDA label in our system yet, so we can’t compare its own side-effect list here — the leaflet that comes with your prescription is the authoritative list for Propantheline.

Everything else you take

See Every Supplement That Interacts With Propantheline

This page covers Corn Poppy only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Propantheline page lists 46 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Henbane (major), Scopolia (major), Angel's Trumpet (moderate) and Bacopa (moderate).

By severity: 3 major · 32 moderate · 11 minor.

From our pharmacist’s overview on the Propantheline page

“Propantheline (Pro-Banthine) is an anticholinergic, a medicine that calms an overactive gut by blocking acetylcholine, and its supplement interactions warrant real caution rather than a passing glance. Of the 46 ingredients listed, 30 either stack onto its drying, gut-slowing action or work directly against it, and 17 can change how mu…”

Reviewed by 2 · Jul 18, 2026

Open the Propantheline interaction page

One more smart check

Taking Corn Poppy as Part of a Dietary Supplement Product? Check It for Interactions

We hold 1 real supplement products containing Corn Poppy, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Corn Poppy. Even though Corn Poppy itself has no known interaction with Propantheline, another ingredient on your label might. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Corn Poppy and Propantheline Sit Against Everything Else

Out of every supplement and medication people look up on HelloPharmacist, here is where these two land this week — and which way each has been moving.

Supplement Corn Poppy

Steady interest

#907 of 1,452 supplements looked up here in the last 7 days

29 days ago today

Medication Propantheline

Steady interest

#1,491 of 2,830 medications looked up here in the last 7 days

29 days ago today

Position among everything looked up on this site, not a measure of how commonly either one is used or how important it is. A supplement can climb this list because of a news story. It counts every request to the page, automated ones included, and nothing here identifies anyone.

Where does our data come from?

Source: the Natural Medicines (TRC Healthcare) clinical database — the evidence-graded professional reference for herb & supplement interactions.
Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Corn Poppy reference on this page ↓
Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Corn Poppy and Propantheline records this page draws on were last updated July 10, 2026.
What “no known interaction” means: no documented interaction in the sources above — not a guarantee of safety. Supplements are studied far less than prescription drugs, so we say exactly what the evidence supports, and nothing more.

Data structure & sourcing designed and verified by Dr. Brian Staiger, PharmD, BCPS.

Supplement

About Corn Poppy

What is Corn Poppy?

Cough and sore throat
Sleep and restlessness
Mild pain
Anxiety and nervousness
Digestive complaints

Corn poppy is a red-flowered plant traditionally used in teas and syrups for cough, sleep, and mild pain. Solid human research is very limited, so its benefits are not well proven, and unlike its relative the opium poppy, it contains only small amounts of weak alkaloids. Talk to a pharmacist or doctor before using it, and avoid it during pregnancy and breastfeeding.

Papaver rhoeas · Papaveraceae · Flowers (petals) and leaves · Tea, syrup, dried petals, tincture, capsules

An interaction check asks whether these two react with each other — it does not ask whether Corn Poppy is a good idea for someone in your situation. Here is what our Corn Poppy record says about it on its own.

Corn Poppy: dosing

There is no well-established or standardized dose for corn poppy. Traditional use generally involves small amounts of the dried petals made into a tea or syrup.Because products vary widely in strength, follow the directions on the product label and do not exceed the suggested amount. Avoid giving it to infants or young children.

From our Corn Poppy monograph — the full record covers uses, side effects and every documented interaction.

Read the full Corn Poppy monograph & all interactions

Medication

About Propantheline

What Is Propantheline Used For?

Brand names: Propanthel, Pro-Banthine

Propantheline is used with other medication to treat ulcers. Propantheline is in a class of medications called anticholinergics. It works by slowing the movement of food through the stomach and intestines and decreasing the amount of acid made by the stomach.

See full Propantheline drug information

Keep checking

Other Drugs & Corn Poppy

Browse every other medication we’ve checked against Corn Poppy — both the ones with a known interaction and the ones without. Select any drug for the full detail.

0Major

248Moderate

0Minor

2,581No known interaction

248 Moderate 2,581 No interaction

Moderate

248 interactions

Showing 60 of 248 moderate interactions — see all 248 on the Corn Poppy page.

No interaction 2,581 drugs checked — show the list

We also checked Corn Poppy against these medications and found no known interaction in our sources. Open any page to confirm.

Showing the 60 most looked-up of 2,581 medications checked with no known interaction — see the full Corn Poppy list.

See the full Corn Poppy interactions page

See every supplement checked against Propantheline, ranked by severity

Evidence & sources

Corn Poppy References

The 2 references that drive our Corn Poppy 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.

Soulimani, R., Younos, C., Jarmouni-Idrissi, S., Bousta, D., Khalouki, F., and Laila, A. Behavioral and pharmaco-toxicological study of Papaver rhoeas L. in mice. J Ethnopharmacol 3-3-2001;74(3):265-274. PubMed
Gamboa, P. M., Jauregui, I., Urrutia, I., Gonzalez, G., Barturen, P., and Antepara, I. Allergic contact urticaria from poppy flowers (Papaver rhoeas). Contact Dermatitis 1997;37(3):140-141.

Medication overviews come from MedlinePlus (NIH); supplement label data from the NIH Dietary Supplement Label Database. Content is written and reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

Pharmacist Counseling Corner

Taking Corn Poppy and Propantheline Together: Common Questions

Is it safe to take Corn Poppy with Propantheline?

We do not list a known interaction between Corn Poppy and Propantheline. That does not guarantee the combination is risk-free, so confirm with your pharmacist or doctor — especially if you take other medications or have a health condition.

How was the Corn Poppy and Propantheline combination checked?

Interactions in our licensed database are recorded against drug classes. Propantheline is filed under 2 classifications, and Corn Poppy has documented interactions with 1 drug class — none of Propantheline's classifications are among them. A medication can belong to classes beyond those recorded in our dataset, so this describes how the check was run rather than guaranteeing safety.

Does Corn Poppy interact with any other medications?

Yes. Corn Poppy has 248 documented drug interactions in our database — Propantheline is simply not one of them. If you take anything else, it is worth checking each one; they are all listed on this page.

Does Propantheline interact with any supplements?

Yes. Propantheline has documented interactions with 46 supplements in our database — Corn Poppy is not one of them. The Propantheline interaction page linked on this page lists every one, ranked by severity.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Where next

Keep Exploring

Corn Poppy monograph Uses, safety profile, and every drug interaction in one place Propantheline drug information The full plain-English guide to this medication Propantheline supplement interactions Every supplement checked against Propantheline, ranked by severity Supplement interaction checker Check any supplement or product against your medications Browse medications A–Z Every drug we’ve checked against herbs & supplements References The 2 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Propantheline and Corn Poppy?

Our pharmacists answer your medication & supplement questions — free.

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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.