Drug & supplement interaction

Sessile Oak + Galantamine

Galantamine brand names: Reminyl, Razadyne.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Sep 20, 2026
The bottom line No known interaction

We found no known interaction between Sessile Oak and Galantamine 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 states a food rule worth keeping to.

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Interaction report

Sessile Oak and Galantamine

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 and Sessile Oak 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 Sessile Oak at all — not against Galantamine, 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.

Sessile Oak safety at a glance

Sessile Oak overall Use caution Generally used short term; high tannin content can irritate the stomach and should not be used on large or broken skin areas for long.
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 Galantamine and Sessile Oak? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Galantamine’s Own FDA Label Lists

This is not an interaction — none of it involves Sessile Oak. These are the most notable effects listed in the ADVERSE REACTIONS section of Galantamine’s own FDA label, for the medication by itself. Knowing the drug’s own list makes it easier to work out the likely cause if something new turns up while you take both. 4 of them are worth acting on rather than waiting out — marked below.

  • Memory problems Worth acting on mentioned in 20.8% of FDA reports for Galantamine
  • A slow heartbeat Worth acting on
  • Fainting Worth acting on
  • Low mood Worth acting on
  • Drowsiness mentioned in 18.4% of FDA reports for Galantamine
  • Weight loss
  • Tremor or shakiness
  • Reduced appetite
  • Muscle pain
  • Stomach upset

Showing the 10 most notable of 17 label-listed effects — ranked by how unusual each one is across medicines generally, with serious effects weighted up.

From the ADVERSE REACTIONS section of the FDA label for Galantamine. Read the label on DailyMed › Where a percentage is shown, it is the share of 3,188 voluntary FDA FAERS reports for Galantamine that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Sessile Oak’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Sessile Oak side to compare — that is a limit of the record, not a statement that Sessile Oak has no side effects.

How to take them

Some Galantamine Products Have a Food Rule — Sessile Oak Should Not Break It

At least one FDA label for a product containing Galantamine says to take it with food. If you take Sessile Oak on an empty stomach out of habit, keep them separate — and take Galantamine 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 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 — 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.

Everything else you take

See Every Supplement That Interacts With Galantamine

This page covers Sessile Oak only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Galantamine 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 page

“Galantamine (Razadyne) treats Alzheimer's disease, so it is often a caregiver filling the pill organizer alongside memory supplements and morning juice. That pairing deserves genuine care, because three of the 170 supplement ingredients on file are rated major and two of them are everyday items.”

Reviewed by 2 · Jul 18, 2026

Open the Galantamine interaction page

How much people look this up

Where Sessile Oak and Galantamine 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 Sessile Oak
Steady interest

#1,237 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Galantamine
Top 25%

#681 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. Sessile Oak is not yet covered by that licensed database, so its write-up cites publicly available medical sources directly (see the references below).
  • Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Sessile Oak reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Sessile Oak and Galantamine records this page draws on were last updated July 11, 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 .
Supplement

About Sessile Oak

What is Sessile Oak?

  • Diarrhea
  • Sore throat and mouth inflammation
  • Minor skin irritation and weeping skin conditions
  • Hemorrhoids (sitz baths)
  • Mild wounds and inflammation (topical wash)

Sessile oak is a European oak tree whose tannin-rich bark has a long history in traditional medicine, mainly as an astringent for diarrhea, sore throat, and skin problems. Human evidence is very limited, and it is best used short term and externally; talk to a pharmacist or doctor before trying it, and avoid it during pregnancy and breastfeeding due to lack of safety data.

Quercus petraea · Fagaceae · Bark, and sometimes leaves and acorns · Dried bark, tea (decoction), liquid extract, and topical washes or baths

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

Sessile Oak: dosing

There is no single standardized dose of sessile oak that has been established by strong clinical research. Traditional uses include drinking a bark tea, gargling with a cooled bark tea, applying a wash to the skin, or adding a bark preparation to a bath.The safest approach is to follow the directions on the product label and to use it only for a short period.

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

Read the full Sessile Oak monograph & all interactions
Medication

About Galantamine

What Is Galantamine Used For?

Brand names: Reminyl, Razadyne

Galantamine — available as extended-release capsules, tablets, and an oral solution — is used to treat mild to moderate dementia caused by Alzheimer's disease. All supported formulations share this indication.

It does not cure or slow the underlying disease, but it can help support cognitive function in people with early to moderate-stage Alzheimer's. Its benefits may lessen as the disease progresses and more brain cells are lost.

Most-Reported Side Effects for Galantamine

From FAERS, the FDA’s public side-effect reporting system (3,188 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Fall 812 reports
Cognitive disorder 664 reports
Constipation 651 reports
Balance disorder 632 reports
Hypotension 631 reports
See full Galantamine drug information
Keep checking

Other Drugs & Sessile Oak

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

0Major
0Moderate
0Minor
2,829No known interaction
2,829 No interaction
No interaction 2,829 drugs checked — show the list

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

Showing the 60 most looked-up of 2,829 medications checked with no known interaction — see the full Sessile Oak list.

See the full Sessile Oak interactions page
See every supplement checked against Galantamine, ranked by severity
Evidence & sources

Sessile Oak References

The 1 sources that drive our Sessile Oak monograph — publicly available pages from reputable medical and government organizations. Every link was verified to work before publishing. Sessile Oak is not covered by the licensed Natural Medicines interaction database, so its page cites these public sources directly.

  1. Herbs at a Glance — NIH NCCIH Source

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 Sessile Oak and Galantamine Together: Common Questions

Is it safe to take Sessile Oak with Galantamine?
We do not list a known interaction between Sessile Oak and Galantamine. 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.
Should I take Sessile Oak and Galantamine at the same time of day?
At least one FDA label for a product containing Galantamine says to take it with food. If you take Sessile Oak on an empty stomach out of habit, keep them separate and take Galantamine with a meal where the label says to. Food instructions belong to the product rather than the ingredient — two Galantamine products can differ — so check the directions on your own box. This is about absorption, not an interaction.
Does Galantamine interact with any supplements?
Yes. Galantamine has documented interactions with 170 supplements in our database — Sessile Oak is not one of them. The Galantamine 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

Sessile Oak monograph Uses, safety profile, and every drug interaction in one place Galantamine drug information The full plain-English guide to this medication Galantamine supplement interactions Every supplement checked against Galantamine, 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 1 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Galantamine and Sessile Oak?

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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.