Thunder God Vine + Methylprednisolone
Methylprednisolone brand names: Medrol, Medrol Dosepak.
Methylprednisolone falls into 3 drug categories that Thunder God Vine can interact with; the most serious is rated moderate. Theoretically, CYP3A4 inhibitors might increase the levels and adverse effects of thunder god vine constituents.
Read the full interaction reportThunder God Vine and Methylprednisolone
These two interact in 3 distinct ways. Each one is explained separately below.
Why Are There 3 Interactions?
Thunder God Vine interacts with whole categories of medication. Methylprednisolone falls into 3 of those categories, so it can interact with Thunder God Vine in 3 different ways. We’ve listed each one below — your overall risk is driven by the most serious of them (Moderate).
CYTOCHROME P450 3A4 (CYP3A4) INHIBITORS
1 of 3Why this applies to Methylprednisolone
Methylprednisolone falls under CYTOCHROME P450 3A4 (CYP3A4) INHIBITORS — the group Thunder God Vine interacts with.
Inhibitors of CYP3A4 can increase the concentration of triptolide, a thunder god vine constituent, and its derivative (5R)-5-hydroxytriptolide. In vitro research shows that triptolide and (5R)-5-hydroxytriptolide are about 94% and 64% metabolized by CYP3A4, respectively.
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.
Here's the key thing about this pairing: it's the Thunder God Vine we worry about, not so much the methylprednisolone. Methylprednisolone is one of the medications that can gently slow down the CYP3A4 enzyme. Thunder God Vine's active compounds, like triptolide, lean heavily on that same enzyme to be broken down and cleared out of your body.
So in theory, taking them together could let those herb compounds build up to higher levels, raising the risk of the herb's own toxic effects (the liver, kidney, and stomach problems it's already known for). I'll be honest, this is a theoretical concern based on lab work, not real-world cases, so don't panic. Still, Thunder God Vine should only be used under a doctor's watch, so loop in your pharmacist or physician before combining them.
- Xu Y, Zhang YF, Chen XY, Zhong DF. CYP3A4 inducer and inhibitor strongly affect the pharmacokinetics of triptolide and its derivative in rats. Acta Pharmacol Sin. 2018;39(8):1386-1392. PubMed
CYTOCHROME P450 3A4 (CYP3A4) SUBSTRATES
2 of 3Methylprednisolone also falls under CYTOCHROME P450 3A4 (CYP3A4) SUBSTRATES.
In vitro research shows that triptolide, a constituent of thunder god vine, inhibits CYP3A4 enzymes in human microsomes. This interaction has not been reported in humans.
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.
Your body relies on an enzyme called CYP3A4 to break down methylprednisolone (Medrol) and clear it out. Thunder God Vine contains a compound called triptolide that, at least in lab dish studies, can slow that enzyme down. The concern is that with the enzyme working slower, methylprednisolone could hang around longer and build up, giving you a stronger steroid effect than expected.
In real life that might look like more of the usual steroid side effects: trouble sleeping, mood swings, a bigger appetite, fluid retention, higher blood sugar, or stomach upset. I want to be honest though, this is theoretical and has only been seen in the lab, never confirmed in actual people. Still, since Thunder God Vine can be toxic on its own, please loop in your doctor or pharmacist before combining the two.
- Song W, Liu M, Wu J, Zhai H, Chen Y, Peng Z. Preclinical Pharmacokinetics of Triptolide: A Potential Antitumor Drug. Curr Drug Metab. 2019;20(2):147-154. PubMed
IMMUNOSUPPRESSANTS
3 of 3Methylprednisolone also falls under IMMUNOSUPPRESSANTS.
Large doses of thunder god vine may suppress immune function.
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.
Here's the gist: methylprednisolone (Medrol) is a steroid that already turns down your immune system to calm swelling and inflammation. Thunder God Vine is being studied because it seems to quiet the immune system too. So when you stack them, the worry is that you're pushing in the same direction and getting more immune suppression than intended, especially with the larger, concentrated supplement doses.
In real terms, that could mean a higher chance of catching infections, slower healing, or feeling run down. I want to be honest, though: this is a theoretical concern based on how each one works, not strong proof from studies. Thunder God Vine can also be toxic if prepared wrong, so please don't combine these on your own. Run it past your doctor or pharmacist first.
- Zhen QS, Ye X, Wei ZJ. Recent progress in research on Tripterygium: a male antifertility plant. Contraception 1995;51:121-9.. PubMed
- Chen Y, Lu M, Feng Y, Gao Q. The effect and safety of low-dose Tripterygium wilfordii in patients with type 2 diabetic nephropathy: A meta-analysis. Medicine (Baltimore) 2022;101(52):e32504. PubMed
What These Ratings Mean
Every interaction above is graded three ways — here’s the key to each label.
Clinically significant. Avoid the combination, or use only under close professional supervision.
Usually worth avoiding or managing — may need monitoring, a dose change, or timing apart.
Generally not serious. Be aware of it and mention it to your pharmacist.
- LikelyWell-controlled human studies have demonstrated the likely existence of this interaction.
- ProbableInteraction 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.
- PossibleInteraction 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.
- UnlikelyInteraction has been demonstrated in animal or in lab research but has been shown not to occur in humans.
- AHigh-quality meta-analysis (quantitative systematic review).
- BCase-control study.
- CConsensus.
- DAnecdotal evidence.
These ratings are for information only. Never start, stop, or otherwise change your therapy before speaking with your provider.
Thunder God Vine Also Interacts With Other Medications
Thunder God Vine has 848 moderate known drug interactions in our database — the Methylprednisolone one above is among them. If you take anything else, check it against the full list below.
Check Another of Your Medications Against Thunder God Vine
We haven’t checked that one against Thunder God Vine yet — ask our pharmacists directly.
Covers the 2,830 medications we’ve checked against Thunder God Vine. Pick one to open its full report.
Questions About Thunder God Vine or Methylprednisolone
These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Thunder God Vine or Methylprednisolone, not necessarily both, but if one is close to what you were about to ask it will usually go further than a database entry can:
- Help! I Missed A Tablet From My Medrol Dose Pack ›
- Can You Safely Use Flonase If You Have High Blood Pressure? ›
- Can You Take Amoxicillin And Prednisone Together? ›
Not quite your question? Ask our pharmacists directly — it is free, there is no account required, and answers usually come back within 24 hours.
See Every Supplement That Interacts With Methylprednisolone
This page covers Thunder God Vine only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Methylprednisolone page lists 207 supplements it has a documented interaction with, worst first, each one explained.
The most serious there right now: Activated Charcoal (major), Grapefruit (major), Lily-of-the-valley (major), St. John's Wort (major) and Acacia Rigidula (moderate).
By severity: 4 major · 167 moderate · 36 minor.
From our pharmacist’s overview on the Methylprednisolone page
“Methylprednisolone (Medrol) is a steroid used for inflammation, allergic flares, and autoimmune disease, and its supplement interactions deserve real attention, not a quick skim. Of the 207 ingredients on file, four rate major, and those come first: grapefruit and St.”
Reviewed by 2 · Jul 18, 2026
Where Thunder God Vine and Methylprednisolone 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.
#1,017 of 1,452 supplements looked up here in the last 7 days
#840 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.
About Thunder God Vine
What is Thunder God Vine?
- Rheumatoid arthritis
- Lupus and autoimmune conditions
- Inflammation
- Skin conditions like psoriasis
- Immune-related disorders
Thunder God Vine is a Chinese herb studied mainly for rheumatoid arthritis and other autoimmune conditions, with some promising but limited evidence. It can be toxic if prepared or dosed improperly, and may cause serious side effects, so it should only be used under medical supervision. Avoid it during pregnancy and breastfeeding.
About Methylprednisolone
What Is Methylprednisolone Used For?
Brand names: Medrol, Medrol Dosepak
Methylprednisolone tablets (Medrol, Methylpred DP) are used to treat a broad set of conditions including endocrine disorders, rheumatic and joint conditions, autoimmune diseases such as systemic lupus erythematosus, severe allergic states, skin diseases, eye inflammation, breathing disorders like asthma, blood and kidney diseases, and certain cancers.
Methylprednisolone acetate injection (Depo-Medrol and others) is used by intramuscular injection when oral therapy isn't feasible, and can also be given directly into joints, soft tissue, or lesions to treat local inflammation from conditions such as rheumatoid arthritis, bursitis, and skin disorders. The injection is not approved for intrathecal (spinal) use.
Other Drugs & Thunder God Vine
Browse every other medication we’ve checked against Thunder God Vine — both the ones with a known interaction and the ones without. Select any drug for the full detail.
No drugs match “”.
848 interactions
- Diltiazem ›
- Theophylline ›
- Nifedipine ›
- Metronidazole ›
- Hydrocortisone ›
- Naproxen ›
- Erythromycin ›
- Estradiol ›
- Propranolol ›
- Lidocaine ›
- Norethindrone ›
- Testosterone ›
- Verapamil ›
- Levonorgestrel ›
- Prednisone ›
- Quinidine ›
- Cyclosporine ›
- Dexamethasone ›
- Triazolam ›
- Zopiclone ›
- Ciprofloxacin ›
- Colchicine ›
- Fentanyl ›
- Oxybutynin ›
- Prednisolone ›
- Tacrolimus ›
- Temazepam ›
- Triamcinolone ›
- Budesonide ›
- Carbamazepine ›
- Clindamycin ›
- Dextromethorphan ›
- Doxorubicin ›
- Fluticasone ›
- Miconazole ›
- Acetaminophen ›
- Buprenorphine ›
- Conjugated Estrogens ›
- Diazepam ›
- Everolimus ›
- Ivabradine ›
- Lofepramine ›
- Medroxyprogesterone ›
- Medroxyprogesterone Acetate ›
- Nortriptyline ›
- Rifampin ›
- Testosterone Undecanoate ›
- Aripiprazole ›
- Bendamustine ›
- Betamethasone ›
- Caffeine (otc Drug) ›
- Ciclesonide ›
- Cimetidine ›
- Clonazepam ›
- Cyclobenzaprine ›
- Dapsone ›
- Desipramine ›
- Erythromycin Ethylsuccinate ›
- Erythromycin Stearate ›
- Etoposide ›
Showing 60 of 848 moderate interactions — see all 848 on the Thunder God Vine page.
No interaction 1,981 drugs checked — show the list
We also checked Thunder God Vine against these medications and found no known interaction in our sources. Open any page to confirm.
- Levothyroxine ›
- Methylphenidate ›
- Metoprolol ›
- Ivermectin ›
- Aspirin ›
- Rosuvastatin ›
- Escitalopram ›
- Docusate ›
- Tirzepatide ›
- Ibuprofen ›
- Hydroxyurea ›
- Methamphetamine ›
- Valacyclovir ›
- Semaglutide ›
- Sumatriptan ›
- Lisdexamfetamine ›
- Metformin ›
- Amoxicillin ›
- Lisinopril ›
- Bupropion ›
- Methotrexate ›
- Isotretinoin ›
- Amphetamine ›
- Doxycycline ›
- Acyclovir ›
- Pregabalin ›
- Azithromycin ›
- Lamotrigine ›
- Gabapentin ›
- Dextroamphetamine ›
- Methylene Blue ›
- Duloxetine ›
- Levothyroxine, Liothyronine ›
- Bisoprolol ›
- Candesartan Cilexetil ›
- Acetaminophen, Dextromethorphan, Doxylamine ›
- Cyclopentolate ›
- Cephalexin ›
- Amoxicillin, Clavulanate Potassium ›
- Mannitol ›
- Levetiracetam ›
- Ezetimibe ›
- Phentermine, Topiramate ›
- Levothyroxine Sodium ›
- Dexmethylphenidate ›
- Acetylsalicylic Acid ›
- Carbidopa, Levodopa ›
- Spironolactone ›
- Thyroid Hormone ›
- Valsartan ›
- Daptomycin ›
- Pegunigalsidase Alfa-iwxj ›
- Mitomycin ›
- Hexobarbitone ›
- Levodopa ›
- Venlafaxine ›
- Cefaclor ›
- Hethylphenidate Hcl ›
- Factor 7a ›
- Bentoquatam ›
Showing the 60 most looked-up of 1,981 medications checked with no known interaction — see the full Thunder God Vine list.
Sources & How We Checked
Interaction details are evidence-graded and sourced from the Natural Medicines database. The medication overview comes from MedlinePlus.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference for vitamins, herbs and supplements — the basis for our interaction data.
- MedlinePlus, U.S. National Library of Medicine — NIH consumer drug information, used for the medication overviews.
- NIH Dietary Supplement Label Database (DSLD) — Official supplement product labels.
Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.
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
Methylprednisolone Is Linked to Lower Levels of 9 Nutrients
Natural Medicines records Methylprednisolone as a medicine that can lower these. This is not an interaction with Thunder God Vine — it is a separate effect of the medicine, and it is a reason some people are advised to supplement rather than to avoid one:
Read the full Methylprednisolone nutrient depletion report ›
Depletion records come from the licensed Natural Medicines database. Do not start a supplement on the strength of this page — ask your pharmacist or doctor whether it applies to you.
Taking Thunder God Vine and Methylprednisolone Together: Common Questions
Can you take Thunder God Vine with Methylprednisolone?
Why are there 3 interactions listed for Thunder God Vine and Methylprednisolone?
How serious is the Thunder God Vine and Methylprednisolone interaction?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Still Have a Question About Methylprednisolone and Thunder God Vine?
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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.