Poinsettia + Galantamine Extended Release
Galantamine Extended Release brand name: Razadyne ER.
We found no known interaction between Poinsettia and Galantamine Extended Release 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. Additionally, although there is no interaction, the label for Galantamine Extended Release states a food rule worth keeping to, and the two are separately associated with some of the same side effects, which would make a new symptom harder to attribute to one or the other.
Poinsettia and Galantamine Extended Release
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 Galantamine Extended Release and Poinsettia 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.
Worth understanding: our licensed dataset holds no drug-interaction record for Poinsettia at all — not against Galantamine Extended Release, and not against any other medication we track. This verdict therefore rests on the absence of any recorded data, not on research that looked at this combination and found nothing. We cannot rule an interaction out.
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.
Poinsettia safety at a glance
Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center) — the full detail is in the Special populations card below. Safety guidance is general; always confirm with your pharmacist or doctor for your situation.
Poinsettia in Pregnancy & Breastfeeding
When used orally or topically; avoid using.
DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.© 2026 Therapeutic Research Center
Some Galantamine Extended Release Products Have a Food Rule — Poinsettia Should Not Break It
At least one FDA label for a product containing Galantamine Extended Release says to take it with food. If you take Poinsettia on an empty stomach out of habit, keep them separate — and take Galantamine Extended Release with a meal where the label says to.
This may not be true of your version. Food instructions belong to the product, not the ingredient: two Galantamine Extended Release products can carry different directions, and extended-release forms often differ from immediate-release ones. The label we read is quoted below — check the directions on your own box or bottle, or ask your pharmacist, for how to take the exact product you were given.
( 2.1 ) Take with food; ensure adequate fluid intake during treatment (2.1) Hepatic impairment: should not exceed 16 mg/day for moderate hepatic impairment; do not use in patients with severe hepatic impairment ( 2.2 ) Renal impairment: should not exceed 16 mg/day for creatinine clearance 9 to 59 mL/min; do not use in patients with creatinine clearance less than 9 mL/min.
From the Dosage and Administration section of the FDA label we read for Galantamine Extended Release — where that label names a specific product, the instruction is that product's. Read the label on DailyMed ›
A food rule is not an interaction — it is about how much of the medicine you absorb. The directions that came with your own product, and your pharmacist, outrank anything on this page.
See Every Supplement That Interacts With Galantamine Extended Release
This page covers Poinsettia only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Galantamine Extended Release page lists 170 supplements it has a documented interaction with, worst first, each one explained.
The most serious there right now: Activated Charcoal (major), Grapefruit (major), St. John's Wort (major), 1,3-dmaa (moderate) and Acacia Rigidula (moderate).
By severity: 3 major · 126 moderate · 41 minor.
From our pharmacist’s overview on the Galantamine Extended Release page
“Galantamine ER (Razadyne ER) treats Alzheimer's dementia by boosting acetylcholine, and because the people taking it are usually older adults already juggling several medicines, its 170 documented supplement interactions warrant genuine care rather than a shrug. Three carry a major rating, and those are the ones to learn first: grapefr…”
Reviewed by 2 · Jul 18, 2026
Where Poinsettia and Galantamine Extended Release 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.
#1,323 of 1,452 supplements looked up here in the last 7 days
#1,647 of 2,830 medications looked up here in the last 7 days
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 Poinsettia reference on this page ↓
- Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Poinsettia and Galantamine Extended Release 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.
About Poinsettia
What is Poinsettia?
- Traditional folk skin remedies
- Traditional use as a topical poultice
- Folk use for fever
- Decorative ornamental plant (most common use today)
Poinsettia is best known as a popular holiday ornamental plant, not a proven dietary supplement, and there is no reliable evidence that it works for any health condition. While its toxicity is often exaggerated, the plant and its milky sap can cause stomach upset and skin or eye irritation, so it is not recommended for medicinal use. If you are considering any herbal product, talk with your pharmacist or doctor first.
Euphorbia pulcherrima · Euphorbiaceae · Leaves, stems, and milky sap (latex); not a true medicinal supplement · Rarely used as a supplement; historically the plant parts and sap have been used in traditional folk preparations
An interaction check asks whether these two react with each other — it does not ask whether Poinsettia is a good idea for someone in your situation. Here is what our Poinsettia record says about it on its own.
Poinsettia: dosing
There is no established or recommended dose for poinsettia because it is not a recognized dietary supplement and is not intended for internal use. No standardized products exist, and safe amounts are unknown.Given the lack of evidence and the risk of irritation, poinsettia should not be taken as a remedy.
From our Poinsettia monograph — the full record covers uses, side effects and every documented interaction.
Other Drugs & Poinsettia
Browse every other medication we’ve checked against Poinsettia — both the ones with a known interaction and the ones without. Select any drug for the full detail.
No drugs match “”.
No interaction 2,829 drugs checked — show the list
We also checked Poinsettia against these medications and found no known interaction in our sources. Open any page to confirm.
- Apixaban ›
- Levothyroxine ›
- Amlodipine ›
- Methylphenidate ›
- Warfarin ›
- Sertraline ›
- Testosterone ›
- Losartan Potassium ›
- Ivermectin ›
- Metoprolol ›
- Rivaroxaban ›
- Aspirin ›
- Rosuvastatin ›
- Acetaminophen ›
- Escitalopram ›
- Abemaciclib ›
- Clopidogrel ›
- Tadalafil ›
- Atorvastatin ›
- Docusate ›
- Tirzepatide ›
- Valacyclovir ›
- Ibuprofen ›
- Methamphetamine ›
- Hydroxyurea ›
- Warfarin Sodium ›
- Semaglutide ›
- Sumatriptan ›
- Prednisone ›
- Propranolol ›
- Lisdexamfetamine ›
- Metformin ›
- Amoxicillin ›
- Lisinopril ›
- Bupropion ›
- Amitriptyline ›
- Methotrexate ›
- Bendamustine ›
- Acyclovir ›
- Doxycycline ›
- Amphetamine ›
- Fluoxetine ›
- Isotretinoin ›
- Lamotrigine ›
- Pregabalin ›
- Azithromycin ›
- Acetaminophen, Codeine ›
- Gabapentin ›
- Amlodipine Besylate ›
- Dextroamphetamine ›
- Clonazepam ›
- Methylene Blue ›
- Omeprazole ›
- Quetiapine ›
- Letrozole ›
- Duloxetine ›
- Naproxen ›
- Buspirone ›
- Citalopram ›
- Ciprofloxacin ›
Showing the 60 most looked-up of 2,829 medications checked with no known interaction — see the full Poinsettia list.
Poinsettia References
The 4 references that drive our Poinsettia 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.
- Ellenhorn MJ, et al. Ellenhorn's Medical Toxicology: Diagnoses and Treatment of Human Poisoning. 2nd ed. Baltimore, MD: Williams & Wilkins, 1997.
- Krenzelok EP, Jacobsen TD, Aronis JM. Poinsettia exposures have good outcomes...just as we thought. Am J Emerg Med 1996;14:671-4. PubMed
- Petersen DD. Common plant toxicology: a comparison of national and southwest Ohio data trends on plant poisonings in the 21st century. Toxicol Appl Pharmacol. 2011;254(2):148-53. PubMed
- Evens ZN, Stellpflug SJ. Holiday plants with toxic misconceptions. West J Emerg Med. 2012;13(6):538-542. PubMed
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.
Taking Poinsettia and Galantamine Extended Release Together: Common Questions
Is it safe to take Poinsettia with Galantamine Extended Release?
Do Poinsettia and Galantamine Extended Release have any of the same side effects?
Should I take Poinsettia and Galantamine Extended Release at the same time of day?
Does Galantamine Extended Release interact with any supplements?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
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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.