Seirogan Ingredients & Drug Interactions
What is this page for?
First and foremost: checking Seirogan against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.
Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy
Seirogan is a dietary supplement by Trumpet Brand with 5 active ingredients. Its ingredients are commonly taken for digestive complaints and diarrhea, inflammation and joint discomfort, stress and weight management (in combination products).Based on those ingredients, 1,160 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are J.B. Powdered Phellodendron. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against Seirogan by Trumpet Brand
Ask about any prescription or over-the-counter medication and we check it for interactions with Seirogan by Trumpet Brand — and tell you which ingredient is responsible.
AI summaries are generated from our interaction database for education only — always confirm with your pharmacist. How we use AI
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HelloPharmacist Scorecard of Seirogan by Trumpet Brand
Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.
What’s inside
Full disclosure
Seirogan is a 5-ingredient tablet containing J.P. Creosote, J.P.
Powdered Gambir, J.B. Powdered Phellodendron, J.B.
Powdered Glycyrrhiza, and Powdered Citrus Unshiu. The product has no inactive ingredients listed.
Phellodendron, one of the active ingredients, contains berberine, a compound that may influence how your liver processes certain medications.
Does it work?
Not established
The evidence for Seirogan is not established in the data we hold. The product's ingredients—including phellodendron—have been rated as having insufficient reliable evidence to support use for acne, benign prostatic hyperplasia, diabetes, obesity, osteoarthritis, or peptic ulcers.
We don't have effectiveness data on file for the other active ingredients in this product.
How safe is it?
Well-documented data
Seirogan has been used short-term in traditional medicine, but human safety data are limited. The phellodendron in this product—specifically its berberine content—is not safe in pregnancy and should be avoided.
Berberine can pass into breast milk and may be harmful to nursing infants, so avoid this product while breastfeeding. In clinical research with a related combination product, isolated reports included sexual dysfunction, shaking hands, numbness around the mouth, fatigue, headache, and heartburn, though it's unclear whether phellodendron was responsible.
Meds to double-check
Moderate interaction found
Before taking Seirogan, double-check if you're on any drugs broken down by your liver's CYP3A4, CYP2D6, or CYP2C9 enzymes (your pharmacist can tell you which of your medications these are), blood pressure medications, blood thinners, sedatives or other CNS depressants, diabetes drugs, or metformin. Phellodendron may raise levels of CYP3A4 substrates and create Moderate-severity interactions across all these categories.
The bottom line
Scorecard at a glanceFully disclosed formula with no established evidence rating for its marketed use. Moderate medication interactions have been identified, and safety information is well characterized.
Seirogan is a traditional herbal product whose effectiveness for its listed uses is not established. Because phellodendron interacts with numerous medication types—particularly liver-metabolized drugs, blood pressure medications, blood thinners, sedatives, and diabetes medicines—you should check your exact medications with the tool on this page before taking it.
It's not safe in pregnancy or while breastfeeding. Talk with your doctor or pharmacist to decide whether this product fits your situation.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 1 of 5 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Oct 25, 2013.
This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed
General information
Key facts about Seirogan, straight from the product label.
| Brand | Trumpet Brand |
|---|---|
| Barcode (UPC) | 4987110002437 |
| Net contents | 100 Pill(s) |
| Market status | On market |
| Date entered into DSLD | Oct 25, 2013 |
| DSLD ID | 26823 |
| Product type | Other Combinations |
| Supplement form | Tablet Or Pill |
| Dietary claims / uses | All Other |
| Intended target group(s) | Children 4 or More Years of Age, Adult (18 - 50 Years) |
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.
Supplement Facts
The label details for Seirogan by Trumpet Brand, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| J.P. Creosote | 400 mg | -- |
| J.P. Powdered Gambir | 200 mg | -- |
| J.B. Powdered Phellodendron | 300 mg | -- |
| J.B. Powdered Glycyrrhiza | 150 mg | -- |
| Powdered Citrus Unshiu | 300 mg | -- |
Tap any ingredient to jump to its full detail below.
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Brand IP Statement(s)
TRADE {turmpet} MARK
General Statements
MADE IN JAPAN
GASTROINTESTINAL PILLS
Au G
General
HK-13218
Suggested/Recommended/Usage/Directions
INDICATIONS Relief of occasional diarrhea, Relief of occasional diarrhea due to indigestion, Food-induced gastritis, vomiting, Water-induced gastritis, Pain caused by dental caries.
DOSAGE 15 years old or above : 3 pills at a time 11 to 14 years old : 2 pills at a time 8 to 10 years old : 1 1/2 pills at a time 5 to 7 years old : 1 pill at a time Take three times a day after every meal. The decayed tooth should be treated with 1/2 to 1 pill.
Precautions
If the symptoms persist, you should consult a physician.
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Seirogan by Trumpet Brand label
The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.
Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.
View the full label (PDF)The Ingredients in Seirogan by Trumpet Brand
These are the 5 active ingredients this product is made of. Select any to open its full monograph.
Serving size9 Pill(s) Dosage formTablet Or Pill Amounts shown are per serving.
Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.
J.P. Creosote
J.P. Powdered Gambir
J.B. Powdered Phellodendron
Interacts with1,160 drugs
Phellodendron is a traditional Chinese medicine bark (Huang Bai) that contains berberine and other plant compounds with antimicrobial and anti-inflamm...
J.B. Powdered Phellodendron monograph & interactionsJ.B. Powdered Glycyrrhiza
Powdered Citrus Unshiu
Seirogan by Trumpet Brand Drug Interactions
HelloPharmacist Interaction Report
Seirogan by Trumpet Brand contains phellodendron, an ingredient with documented interactions spanning multiple medication types.
The most serious concern is a Moderate-severity interaction with drugs that are metabolized by your liver's CYP3A4 enzyme—phellodendron may raise their levels in your blood, potentially making them stronger or causing side effects. The product also contains phellodendron, which interacts with CNS depressants (sedatives and similar drugs), blood pressure medications, blood thinners (anticoagulants and antiplatelet drugs), and diabetes medications, as well as drugs broken down by the CYP2D6 and CYP2C9 liver pathways.
We could not check three other ingredients in this product—J.P. Creosote, J.P.
Powdered Gambir, and Powdered Citrus Unshiu—because we hold no safety data for them.
Read the full breakdown — every affected drug type, severity by severity
Phellodendron's berberine content may increase sedation if you're taking CNS depressants, lower your blood pressure further if you're on blood pressure drugs, boost the effects of blood thinners and raise your bleeding risk, and increase the risk of low blood sugar (hypoglycemia) if you take diabetes medications. It may also intensify metformin's effects and side effects.
Altogether, these interactions span 1,161 individual medications.
Before you start Seirogan, run your complete medication list—especially any liver-metabolized drugs, blood pressure pills, blood thinners, sedatives, or diabetes medicines—through the interaction checker on this page. Talk with your doctor or pharmacist about whether this product is right for you.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against Seirogan?
Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.
Go to the checkerIngredients driving the most interactions
Individual Drug Interactions
The ingredients in Seirogan interact with 1,160 drugs. Click any drug to see the details.
1 of the 5 ingredients in Seirogan interact with drugs. Each result below shows which ingredient is responsible. J.B. Powdered Phellodendron
Ado-trastuzumab EmtansineKadcyla
How Ado-trastuzumab Emtansine interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, phellodendron might increase serum levels of drugs metabolized by CYP3A4.
Read the full J.b. Powdered Phellodendron + Ado-trastuzumab Emtansine interactionAbciximabReoPro
How Abciximab interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, phellodendron might increase the risk of bleeding when used with anticoagulant or antiplatelet drugs.
Read the full J.b. Powdered Phellodendron + Abciximab interactionAbemaciclibVerzenio
How Abemaciclib interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, phellodendron might increase serum levels of drugs metabolized by CYP3A4.
Read the full J.b. Powdered Phellodendron + Abemaciclib interactionAbiraterone
How Abiraterone interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, phellodendron might increase serum levels of drugs metabolized by CYP3A4.
Read the full J.b. Powdered Phellodendron + Abiraterone interactionAbiraterone AcetateYonsa, Zytiga
How Abiraterone Acetate interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, phellodendron might increase serum levels of drugs metabolized by CYP3A4.
Read the full J.b. Powdered Phellodendron + Abiraterone Acetate interactionAbrocitinibCibinqo
How Abrocitinib interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronAnticoagulant/antiplatelet Drugs, Cytochrome P450 2c9 (cyp2c9) Substrates Moderate
Interaction Summary
Theoretically, phellodendron might increase the risk of bleeding when used with anticoagulant or antiplatelet drugs.
Read the full J.b. Powdered Phellodendron + Abrocitinib interactionAcalabrutinibCalquence
How Acalabrutinib interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, phellodendron might increase serum levels of drugs metabolized by CYP3A4.
Read the full J.b. Powdered Phellodendron + Acalabrutinib interactionAcarboseGlucobay, Prandase, Precose
How Acarbose interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, phellodendron may increase the risk of hypoglycemia when taken with antidiabetes drugs.
Read the full J.b. Powdered Phellodendron + Acarbose interactionAcebutololRhotral, Sectral
How Acebutolol interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, phellodendron might have additive effects with antihypertensive drugs.
Read the full J.b. Powdered Phellodendron + Acebutolol interactionAcenocoumarolSintrom
How Acenocoumarol interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, phellodendron might increase the risk of bleeding when used with anticoagulant or antiplatelet drugs.
Read the full J.b. Powdered Phellodendron + Acenocoumarol interactionAcepromazineAtravet
How Acepromazine interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronCns Depressants Moderate
Interaction Summary
Theoretically, phellodendron might increase the sedative effects of CNS depressants.
Read the full J.b. Powdered Phellodendron + Acepromazine interactionAcetaminophen, AspirinGemnisyn
How Acetaminophen, Aspirin interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, phellodendron might increase the risk of bleeding when used with anticoagulant or antiplatelet drugs.
Read the full J.b. Powdered Phellodendron + Acetaminophen, Aspirin interactionAcetaminophen, Aspirin, CaffeineExcedrin, Excedrin Extra Strength, Excedrin Migraine
How Acetaminophen, Aspirin, Caffeine interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronAnticoagulant/antiplatelet Drugs, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, phellodendron might increase the risk of bleeding when used with anticoagulant or antiplatelet drugs.
Read the full J.b. Powdered Phellodendron + Acetaminophen, Aspirin, Caffeine interactionAcetaminophen, Butalbital, CaffeineEsgic, Esgic Plus, Fiogesic, Fioricet, Repan, Tecnal +1 more
How Acetaminophen, Butalbital, Caffeine interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, phellodendron might increase serum levels of drugs metabolized by CYP3A4.
Read the full J.b. Powdered Phellodendron + Acetaminophen, Butalbital, Caffeine interactionAcetaminophen, Butalbital, Caffeine, CodeineEsgic with Codeine, Fioricet w/ Codeine
How Acetaminophen, Butalbital, Caffeine, Codeine interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronCytochrome P450 3a4 (cyp3a4) Substrates, Cns Depressants +1 Moderate
Interaction Summary
Theoretically, phellodendron might increase serum levels of drugs metabolized by CYP3A4.
Read the full J.b. Powdered Phellodendron + Acetaminophen, Butalbital, Caffeine, Codeine interactionAcetaminophen, Butalbital, CodeineBancap w/ Codeine
How Acetaminophen, Butalbital, Codeine interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronCytochrome P450 2d6 (cyp2d6) Substrates, Cns Depressants Moderate
Interaction Summary
Theoretically, phellodendron might increase serum levels of drugs metabolized by CYP2D6.
Read the full J.b. Powdered Phellodendron + Acetaminophen, Butalbital, Codeine interactionAcetaminophen, Butalbital, Codeine PhosphatePhrenilin #3
How Acetaminophen, Butalbital, Codeine Phosphate interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronCns Depressants, Cytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, phellodendron might increase the sedative effects of CNS depressants.
Read the full J.b. Powdered Phellodendron + Acetaminophen, Butalbital, Codeine Phosphate interactionAcetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, PhenylephrineHycomine Compound
How Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronCns Depressants, Cytochrome P450 3a4 (cyp3a4) Substrates +1 Moderate
Interaction Summary
Theoretically, phellodendron might increase the sedative effects of CNS depressants.
Read the full J.b. Powdered Phellodendron + Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interactionAcetaminophen, Caffeine, CodeineGesic C15, Gesic C30, Gesic C8, Lenoltec 1, Lenoltec 2, Lenoltec 3 +1 more
How Acetaminophen, Caffeine, Codeine interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronCytochrome P450 2d6 (cyp2d6) Substrates, Cns Depressants +1 Moderate
Interaction Summary
Theoretically, phellodendron might increase serum levels of drugs metabolized by CYP2D6.
Read the full J.b. Powdered Phellodendron + Acetaminophen, Caffeine, Codeine interactionAcetaminophen, Caffeine, Codeine, SalicylamideCodalan No.1, Codalan No.2, Codalan No.3
How Acetaminophen, Caffeine, Codeine, Salicylamide interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 2d6 (cyp2d6) Substrates +1 Moderate
Interaction Summary
Theoretically, phellodendron might increase serum levels of drugs metabolized by CYP3A4.
Read the full J.b. Powdered Phellodendron + Acetaminophen, Caffeine, Codeine, Salicylamide interactionAcetaminophen, Caffeine, DihydrocodeineDHC Plus, Panlor DC, Panlor SS
How Acetaminophen, Caffeine, Dihydrocodeine interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronCns Depressants, Cytochrome P450 3a4 (cyp3a4) Substrates +1 Moderate
Interaction Summary
Theoretically, phellodendron might increase the sedative effects of CNS depressants.
Read the full J.b. Powdered Phellodendron + Acetaminophen, Caffeine, Dihydrocodeine interactionAcetaminophen, Caffeine, IsomethepteneMigralam
How Acetaminophen, Caffeine, Isometheptene interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, phellodendron might increase serum levels of drugs metabolized by CYP3A4.
Read the full J.b. Powdered Phellodendron + Acetaminophen, Caffeine, Isometheptene interactionAcetaminophen, Caffeine, PyrilamineMidol Max Strength Menstrual
How Acetaminophen, Caffeine, Pyrilamine interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, phellodendron might increase serum levels of drugs metabolized by CYP3A4.
Read the full J.b. Powdered Phellodendron + Acetaminophen, Caffeine, Pyrilamine interactionAcetaminophen, Chlorpheniramine Maleate, Dextromethorphan HbrVicks Formula 44M Cough, Cold & Flu Relief
How Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronDextromethorphan (robitussin Dm, Others), Cytochrome P450 3a4 (cyp3a4) Substrates +1 Moderate
Interaction Summary
Theoretically, phellodendron may increase serum levels of dextromethorphan.
Read the full J.b. Powdered Phellodendron + Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interactionAcetaminophen, Chlorpheniramine, Codeine, PhenylephrineColrex
How Acetaminophen, Chlorpheniramine, Codeine, Phenylephrine interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronCytochrome P450 2d6 (cyp2d6) Substrates, Cns Depressants +1 Moderate
Interaction Summary
Theoretically, phellodendron might increase serum levels of drugs metabolized by CYP2D6.
Read the full J.b. Powdered Phellodendron + Acetaminophen, Chlorpheniramine, Codeine, Phenylephrine interactionAcetaminophen, Chlorpheniramine, DextromethorphanCoricidin II Extra Strength Cold and Flu
How Acetaminophen, Chlorpheniramine, Dextromethorphan interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronCytochrome P450 2d6 (cyp2d6) Substrates, Dextromethorphan (robitussin Dm, Others) +1 Moderate
Interaction Summary
Theoretically, phellodendron might increase serum levels of drugs metabolized by CYP2D6.
Read the full J.b. Powdered Phellodendron + Acetaminophen, Chlorpheniramine, Dextromethorphan interactionAcetaminophen, Chlorpheniramine, Dextromethorphan HydrobromideCoricidin HBP Maximum Strength Flu
How Acetaminophen, Chlorpheniramine, Dextromethorphan Hydrobromide interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 2d6 (cyp2d6) Substrates +1 Moderate
Interaction Summary
Theoretically, phellodendron might increase serum levels of drugs metabolized by CYP3A4.
Read the full J.b. Powdered Phellodendron + Acetaminophen, Chlorpheniramine, Dextromethorphan Hydrobromide interactionAcetaminophen, Chlorpheniramine, Dextromethorphan, PhenylpropanolamineMulti Symptom Cold Relief
How Acetaminophen, Chlorpheniramine, Dextromethorphan, Phenylpropanolamine interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 2d6 (cyp2d6) Substrates +1 Moderate
Interaction Summary
Theoretically, phellodendron might increase serum levels of drugs metabolized by CYP3A4.
Read the full J.b. Powdered Phellodendron + Acetaminophen, Chlorpheniramine, Dextromethorphan, Phenylpropanolamine interactionAcetaminophen, Chlorpheniramine, Dextromethorphan, PseudoephedrineChildren's Tylenol Cold Plus Cough, Tylenol Cold Ex Strength
How Acetaminophen, Chlorpheniramine, Dextromethorphan, Pseudoephedrine interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronDextromethorphan (robitussin Dm, Others), Cytochrome P450 3a4 (cyp3a4) Substrates +1 Moderate
Interaction Summary
Theoretically, phellodendron may increase serum levels of dextromethorphan.
Read the full J.b. Powdered Phellodendron + Acetaminophen, Chlorpheniramine, Dextromethorphan, Pseudoephedrine interactionAcetaminophen, Chlorpheniramine, Guaifenesin, Phenylephrine, SalicylamideRhinogesic GG
How Acetaminophen, Chlorpheniramine, Guaifenesin, Phenylephrine, Salicylamide interacts with Seirogan — through 1 ingredient. Tap an ingredient for the detail:
J.b. Powdered PhellodendronCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, phellodendron might increase serum levels of drugs metabolized by CYP3A4.
Read the full J.b. Powdered Phellodendron + Acetaminophen, Chlorpheniramine, Guaifenesin, Phenylephrine, Salicylamide interactionEach ingredient & the kinds of drugs it affects
For each ingredient in Seirogan with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.
J.B. Powdered Phellodendron
Anticoagulant/Antiplatelet Drugs
Theoretically, phellodendron might increase the risk of bleeding when used with anticoagulant or antiplatelet drugs.
Phellodendron contains berberine. In vitro and in vivo research suggest that berberine can inhibit platelet aggregation. Theoretically, phellodendron might also inhibit platelet aggregation.
Antidiabetes Drugs
Theoretically, phellodendron may increase the risk of hypoglycemia when taken with antidiabetes drugs.
Phellodendron contains berberine. Clinical research shows that berberine may lower blood glucose levels. Theoretically, phellodendron might also lower blood glucose levels.
Antihypertensive Drugs
Theoretically, phellodendron might have additive effects with antihypertensive drugs.
Phellodendron contains berberine. Animal research suggests that berberine can have hypotensive effects. Also, a clinical study suggests that taking berberine in combination with amlodipine can lower systolic and diastolic blood pressure when compared with amlodipine alone. Theoretically, phellodendron might also reduce blood pressure.
Cns Depressants
Theoretically, phellodendron might increase the sedative effects of CNS depressants.
Phellodendron contains berberine. Animal research suggests that berberine may have sedative effects. Theoretically, phellodendron might also have CNS depressants effects.
Cyclosporine (Neoral, Sandimmune)
Theoretically, phellodendron might increase blood levels of cyclosporine.
Phellodendron contains berberine. Preliminary clinical research shows that berberine can reduce metabolism of cyclosporine and increase serum levels, likely through inhibition of cytochrome P450 3A4 (CYP3A4), which metabolizes cyclosporine. Theoretically, phellodendron might also reduce the metabolism of cyclosporine.
Cytochrome P450 2C9 (Cyp2C9) Substrates
Theoretically, phellodendron might increase serum levels of drugs metabolized by CYP2C9.
Phellodendron contains berberine. Preliminary clinical research shows that berberine can inhibit CYP2C9. Theoretically, phellodendron might also inhibit CYP2C9.
Cytochrome P450 2D6 (Cyp2D6) Substrates
Theoretically, phellodendron might increase serum levels of drugs metabolized by CYP2D6.
Phellodendron contains berberine. In vitro research and preliminary clinical evidence show that berberine can inhibit CYP2D6. Theoretically, phellodendron might also inhibit CYP2D6.
Cytochrome P450 3A4 (Cyp3A4) Substrates
Theoretically, phellodendron might increase serum levels of drugs metabolized by CYP3A4.
Phellodendron contains berberine. In vitro research and preliminary clinical research show that berberine moderately inhibits CYP3A4. Theoretically, phellodendron might also inhibit CYP3A4.
Dextromethorphan (Robitussin Dm, Others)
Theoretically, phellodendron may increase serum levels of dextromethorphan.
Phellodendron contains berberine. Preliminary clinical research shows that berberine can inhibit cytochrome P450 2D6 (CYP2D6) activity and reduce the metabolism of dextromethorphan. Theoretically, phellodendron may also inhibit the metabolism of dextromethorphan.
Losartan (Cozaar)
Theoretically, phellodendron might reduce the therapeutic effects of losartan by decreasing its conversion to its active form.
Phellodendron contains berberine. Preliminary clinical research suggests that berberine can inhibit cytochrome P450 2C9 (CYP2C9) activity and reduce metabolism of losartan. Theoretically, phellodendron might also inhibit the metabolism of losartan.
Metformin (Glucophage)
Theoretically, phellodendron might increase the therapeutic and adverse effects of metformin.
Phellodendron contains berberine. In vitro and animal studies show that berberine can increase the systemic exposure and half-life of metformin, potentially increasing metformin's effects and side effects. This interaction seems to be most apparent when berberine is administered 2 hours prior to metformin. Taking berberine and metformin at the same time does not appear to increase systemic exposure to metformin. It is unclear if phellodendron might have this same effect.
Midazolam (Versed)
Theoretically, phellodendron might reduce metabolism of midazolam, which might increase the risk of severe adverse effects.
Phellodendron contains berberine. Preliminary clinical research shows that berberine can inhibit cytochrome P450 3A4 (CYP3A4) activity and reduce metabolism of midazolam. Theoretically, phellodendron might also inhibit the metabolism of midazolam.
Pentobarbital (Nembutal)
Theoretically, phellodendron might increase the sedative effect of pentobarbital.
Phellodendron contains berberine. Animal research shows that berberine can prolong pentobarbital-induced sleeping time. Theoretically, phellodendron might increase the sedative effects of pentobarbital.
Tacrolimus (Prograf)
Theoretically, phellodendron might increase blood levels of tacrolimus.
Phellodendron contains berberine. In a 16-year-old patient with idiopathic nephrotic syndrome who was being treated with tacrolimus 6.5 mg twice daily, intake of berberine 200 mg three times daily increased the blood concentration of tacrolimus from 8 to 22 ng/mL. Following a reduction of the tacrolimus dose to 3 mg daily, blood levels of tacrolimus decreased to 12 ng/mL. It is unclear if phellodendron might have this same effect.
Brand information
Manufacturer and brand details for Seirogan, from the product label.
Seirogan by Trumpet Brand: Common Questions
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Sources & How We Checked
Seirogan's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.
- NIH Dietary Supplement Label Database (DSLD) — The official product label on file for this supplement.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference behind the ingredient interaction data.
Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.
The 22 references behind this product’s interaction data
Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.
Phellodendron 22 references
- Chan E. Displacement of bilirubin from albumin by berberine. Biol Neonate 1993;63:201-8. PubMed
- Janbaz KH, Gilani AH. Studies on preventive and curative effects of berberine on chemical-induced hepatotoxicity in rodents. Fitoterapia 2000;71:25-33.. PubMed
- Wu X, Li Q, Xin H, Yu A, Zhong M. Effects of berberine on the blood concentration of cyclosporin A in renal transplanted recipients: clinical and pharmacokinetic study. Eur J Clin Pharmacol 2005;61:567-72. PubMed
- Garrison R, Chambliss WG. Effect of a proprietary Magnolia and Phellodendron extract on weight management: a pilot, double-blind, placebo-controlled clinical trial. Altern Ther Health Med 2006;12:50-4.
- Zhang Y, Li X, Zou D, et al. Treatment of type 2 diabetes and dyslipidemia with the natural plant alkaloid berberine. J Clin Endocrinol Metab 2008;93:2559-65. PubMed
- Budzinski JW, Foster BC, Vandenhoek S, Arnason JT. An in vitro evaluation of human cytochrome P450 3A4 inhibition by selected commercial herbal extracts and tinctures. Phytomedicine 2000;7:273-82. PubMed
- Chatterjee P, Franklin MR. Human cytochrome p450 inhibition and metabolic-intermediate complex formation by goldenseal extract and its methylenedioxyphenyl components. Drug Metab Dispos 2003;31:1391-7. PubMed
- Shanbhag, S. M., Kulkarni, H. J., and Gaitonde, B. B. Pharmacological actions of berberine on the central nervous system. Jpn.J Pharmacol 1970;20(4):482-487. PubMed
- Wu, J. F. and Liu, T. P. [Effects of berberine on platelet aggregation and plasma levels of TXB2 and 6-keto-PGF1 alpha in rats with reversible middle cerebral artery occlusion]. Yao Xue.Xue.Bao. 1995;30(2):98-102.
- Peng, W. H., Hsieh, M. T., and Wu, C. R. Effect of long-term administration of berberine on scopolamine-induced amnesia in rats. Jpn J Pharmacol 1997;74(3):261-266. DOI
- Sabir M and Bhide NK. Study of some pharmacological actions of berberine. Ind J Physiol & Pharmac 1971;15(3):111-132.
- Tripathi YB and Shukla SD. Berberis artistata inhibits PAF induced aggregation of rabbit platelets. Phytotherapy Research 1996;10:628-630.
- Yin, J., Xing, H., and Ye, J. Efficacy of berberine in patients with type 2 diabetes mellitus. Metabolism 2008;57(5):712-717. PubMed
- Zhang, H., Wei, J., Xue, R., Wu, J. D., Zhao, W., Wang, Z. Z., Wang, S. K., Zhou, Z. X., Song, D. Q., Wang, Y. M., Pan, H. N., Kong, W. J., and Jiang, J. D. Berberine lowers blood glucose in type 2 diabetes mellitus patients through increasing insulin re
- Guo, Y., Chen, Y., Tan, Z. R., Klaassen, C. D., and Zhou, H. H. Repeated administration of berberine inhibits cytochromes P450 in humans. Eur J Clin Pharmacol 2012;68(2):213-217. PubMed
- Wei, W., Zhao, H., Wang, A., Sui, M., Liang, K., Deng, H., Ma, Y., Zhang, Y., Zhang, H., and Guan, Y. A clinical study on the short-term effect of berberine in comparison to metformin on the metabolic characteristics of women with polycystic ovary syndro
- Hermann, R. and von, Richter O. Clinical evidence of herbal drugs as perpetrators of pharmacokinetic drug interactions. Planta Med 2012;78(13):1458-1477. PubMed
- Chun YT, Yip TT, Lau KL, and et al. A biochemical study on the hypotensive effect of berberine in rats. Gen Pharmac 1979;10:177-182. PubMed
- Hou Q, Han W, Fu X. Pharmacokinetic interaction between tacrolimus and berberine in a child with idiopathic nephrotic syndrome. Eur J Clin Pharmacol 2013;69(10):1861-2. PubMed
- Lan J, Zhao Y, Dong F, et al. Meta-analysis of the effect and safety of berberine in the treatment of type 2 diabetes mellitus, hyperlipemia and hypertension. J Ethnopharmacol. 2015;161:69-81. PubMed
- Kalman DS, Feldman S, Feldman R, et al. Effect of a proprietary magnolia and phellodendron extract on stress levels in healthy women: a pilot, double-blind, placebo-controlled clinical trial. Nutr J 2008;7:11.
- Lyu Y, Zhang Y, Yang M, et al. Pharmacokinetic interactions between metformin and berberine in rats: Role of oral administration sequences and microbiota. Life Sci. 2019;235:116818. PubMed
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