Drug & supplement interaction

Thunder God Vine + Doxycycline

Doxycycline brand names: Vibra-Tabs, Vibramycin, Doryx, Monodox, Doxycin, and others.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Sep 13, 2026
The bottom line No known interaction

We found no known interaction between Thunder God Vine and Doxycycline 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 Doxycycline 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.

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Interaction report

Thunder God Vine and Doxycycline

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 Doxycycline and Thunder God Vine 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.

Thunder God Vine safety at a glance

Thunder God Vine overall Use caution Can be toxic and cause serious harm if prepared or dosed incorrectly; use only under professional guidance.
Pregnancy Likely Unsafe When used orally. Thunder god vine is thought to be teratogenic; avoid using. Read the full pregnancy detail
Breastfeeding Avoid Avoid while breastfeeding due to lack of safety data and potential toxicity.

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.

Still wondering about combining Doxycycline and Thunder God Vine? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Doxycycline

Interactions in our licensed database are recorded against drug classes, not just single drug names. Doxycycline is filed under 9 classifications — including tetracycline antibiotics, antibiotic drugs, p-glycoprotein substrates. Thunder God Vine has documented interactions with 4 drug classes — the most serious being cytochrome p450 1a2 (cyp1a2) substrates (moderate), cytochrome p450 3a4 (cyp3a4) inhibitors (moderate) and cytochrome p450 3a4 (cyp3a4) substrates (moderate) — and none of Doxycycline’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

Thunder God Vine Does Interact With Other Medications

Thunder God Vine has 849 moderate known drug interactions in our database — Doxycycline isn’t one of them. If you take anything else, check it against the full list below.

Moderate 849 No known interaction 1,981 (incl. Doxycycline)
Taking anything else?

Check Another of Your Medications Against Thunder God Vine

Covers the 2,830 medications we’ve checked against Thunder God Vine. Pick one to open its full report.

What to actually watch for

No Interaction Found — But Data Suggests Thunder God Vine and Doxycycline May Share Several of the Same Side Effects

This is not an interaction. Neither one changes how your body handles the other, and nothing here says they react together. What our sources do show is that each has separately been linked to the effects below — so taking both can make those effects more likely to turn up, and harder to pin on one or the other if they do. 5 of them are worth acting on rather than waiting out — marked below.

  • Kidney problems / Anemia Worth acting on Additional detail

    Thunder God Vine

    “Orally, hyperkalemia has occurred in patients with diabetes taking thunder god vine. However, it is unclear whether this was related to the thunder god vine, diabetes, or conventional medications. Deaths related to aplastic anemia associated with the use of non-standardized forms of thunder god vine have been reported.”

    Thunder God Vine · Natural Medicines adverse-effect record, reported in anemia.

    3 sources cited
    1. 97685. Ge Y, Xie H, Li S, et al. Treatment of diabetic nephropathy with Tripterygium wilfordii Hook F extract: a prospective, randomized, controlled clinical trial. J Transl Med. 2013;11:134. PubMed
    2. 97684. Chen Y, Gong Z, Chen X, et al. Tripterygium wilfordii Hook F (a traditional Chinese medicine) for primary nephrotic syndrome. Cochrane Database Syst Rev. 2013;(8):CD008568.
    3. 112872. Zhang W, Liu X, Xia C, et al. Case report: A rare case of death due to end-stage renal disease caused by Tripterygium wilfordii-induced myelosuppression. Front Med (Lausanne) 2022;9:1036422. PubMed

    Doxycycline

    Listed in the ADVERSE REACTIONS section of the FDA label for Doxycycline. Read the label on DailyMed ›

  • Raised blood pressure Worth acting on Additional detail

    Thunder God Vine

    “Orally, thunder god vine has been associated with ventricular tachyarrhythmias and diastolic hypertension. Swelling of the lower limbs has also been reported.”

    Thunder God Vine · Natural Medicines adverse-effect record, reported in hypertension.

    3 sources cited
    1. 77918. Huang, H. H., Yen, D. H., Wu, M. L., Deng, J. F., Huang, C. I., and Lee, C. H. Acute Erycibe henryi Prain ("Ting Kung Teng") poisoning. Clin.Toxicol.(Phila) 2006;44(1):71-75. PubMed
    2. 10676. Tao X, Cush JJ, Garret M, Lipsky PE. A phase I study of ethyl acetate extract of the chinese antirheumatic herb Tripterygium wilfordii hook F in rheumatoid arthritis. J Rheumatol 2001;28:2160-7..
    3. 97683. Wu C, Jin HZ, Shu D, et al. Efficacy and safety of Tripterygium wilfordii hook F versus acitretin in moderate to severe psoriasis vulgaris: a randomized clinical trial. Chin Med J (Engl). 2015;128(4):443-9. PubMed

    Doxycycline

    Listed in the ADVERSE REACTIONS section of the FDA label for Doxycycline. Read the label on DailyMed ›

  • A low white blood cell count Worth acting on Additional detail

    Thunder God Vine

    “Orally, thunder god vine has been reported to cause leukopenia in up to 6% of study participants. Deaths related to leukopenia associated with the use of non-standardized forms of thunder god vine have been reported.”

    Thunder God Vine · Natural Medicines adverse-effect record, reported in leukopenia.

    6 sources cited
    1. 97684. Chen Y, Gong Z, Chen X, et al. Tripterygium wilfordii Hook F (a traditional Chinese medicine) for primary nephrotic syndrome. Cochrane Database Syst Rev. 2013;(8):CD008568.
    2. 97685. Ge Y, Xie H, Li S, et al. Treatment of diabetic nephropathy with Tripterygium wilfordii Hook F extract: a prospective, randomized, controlled clinical trial. J Transl Med. 2013;11:134. PubMed
    3. 97686. Ren J, Wu X, Liao N, et al. Prevention of postoperative recurrence of Crohn's disease: Tripterygium wilfordii polyglycoside versus mesalazine. J Int Med Res. 2013;41(1):176-87.
    4. 97688. Chen YZ, Gao Q, Zhao XZ, et al. Meta-analysis of Tripterygium wilfordii Hook F in the immunosuppressive treatment of IgA nephropathy. Intern Med. 2010;49(19):2049-55. PubMed
    5. 97691. Sun J, Shen X, Dong J, et al. Tripterygium wilfordii Hook F as maintenance treatment for Crohn's disease. Am J Med Sci. 2015;350(5):345-51. PubMed
    6. 97692. Zhu W, Li Y, Gong J, et al. Tripterygium wilfordii Hook. f. versus azathioprine for prevention of postoperative recurrence in patients with Crohn's disease: a randomized clinical trial. Dig Liver Dis. 2015;47(1):14-9. PubMed

    Doxycycline

    Listed in the ADVERSE REACTIONS section of the FDA label for Doxycycline. Read the label on DailyMed ›

  • A higher chance of infection Worth acting on Additional detail

    Thunder God Vine

    Recorded for Thunder God Vine in the same Natural Medicines adverse-effect record shown under Kidney problems / Anemia above.

    Doxycycline

    Listed in the ADVERSE REACTIONS section of the FDA label for Doxycycline. Read the label on DailyMed ›

  • Stomach upset / Diarrhea Additional detail

    Thunder God Vine

    “Orally, thunder god vine can cause gastrointestinal upset, nausea, vomiting, and diarrhea. A meta-analysis of Chinese studies found that gastrointestinal upset was reported in around 14% of patients taking thunder god vine extract.”

    Thunder God Vine · Natural Medicines adverse-effect record, reported in diarrhea.

    6 sources cited
    1. 10675. Tao X, Younger J, Fan FZ, et al. Benefit of an extract of Tripterygium Wilfordii Hook F in patients with rheumatoid arthritis: a double-blind, placebo-controlled study. Arthritis Rheum 2002;46:1735-43..
    2. 10676. Tao X, Cush JJ, Garret M, Lipsky PE. A phase I study of ethyl acetate extract of the chinese antirheumatic herb Tripterygium wilfordii hook F in rheumatoid arthritis. J Rheumatol 2001;28:2160-7..
    3. 77869. Li, L. F. Treatment of pyoderma gangrenosum with oral Tripterygium wilfordii multiglycoside. J Dermatol. 2000;27(7):478-481.
    4. 97681. Liu S, Li X, Li H, Liang Q, Chen J, Chen J. Comparison of Tripterygium wilfordii multiglycosides and tacrolimus in the treatment of idiopathic membranous nephropathy: a prospective cohort study. BMC Nephrol. 2015;16:200. PubMed
    5. 97682. Lv QW, Zhang W, Shi Q, et al. Comparison of Tripterygium wilfordii Hook F with methotrexate in the treatment of active rheumatoid arthritis (TRIFRA): a randomised, controlled clinical trial. Ann Rheum Dis. 2015;74(6):1078-86.
    6. 97683. Wu C, Jin HZ, Shu D, et al. Efficacy and safety of Tripterygium wilfordii hook F versus acitretin in moderate to severe psoriasis vulgaris: a randomized clinical trial. Chin Med J (Engl). 2015;128(4):443-9. PubMed

    Doxycycline

    Listed in the ADVERSE REACTIONS section of the FDA label for Doxycycline. Read the label on DailyMed ›

  • Swelling Additional detail

    Thunder God Vine

    Recorded for Thunder God Vine in the same Natural Medicines adverse-effect record shown under Raised blood pressure above.

    Doxycycline

    Listed in the ADVERSE REACTIONS section of the FDA label for Doxycycline. Read the label on DailyMed ›

  • A skin rash Additional detail

    Thunder God Vine

    “Orally, thunder god vine can cause hair loss and skin conditions, such as rash and redness. A meta-analysis of Chinese studies found that hair loss and skin reactions were reported in less than 5% of patients taking thunder god vine extract.”

    Thunder God Vine · Natural Medicines adverse-effect record, reported in alopecia.

    6 sources cited
    1. 4046. Tao XL, Sun Y, Dong Y, et al. A prospective, controlled, double-blind, cross-over study of tripterygium wilfodii hook F in treatment of rheumatoid arthritis. Chin Med J 1989;102:327-32.
    2. 10675. Tao X, Younger J, Fan FZ, et al. Benefit of an extract of Tripterygium Wilfordii Hook F in patients with rheumatoid arthritis: a double-blind, placebo-controlled study. Arthritis Rheum 2002;46:1735-43..
    3. 10676. Tao X, Cush JJ, Garret M, Lipsky PE. A phase I study of ethyl acetate extract of the chinese antirheumatic herb Tripterygium wilfordii hook F in rheumatoid arthritis. J Rheumatol 2001;28:2160-7..
    4. 77931. Tao, X., Sun, Y., and Zhang, N. [Treatment of rheumatoid arthritis with low doses of multi-glycosides of Tripterygium wilfordii]. Zhong.Xi.Yi.Jie.He.Za Zhi. 1990;10(5):289-2.
    5. 97684. Chen Y, Gong Z, Chen X, et al. Tripterygium wilfordii Hook F (a traditional Chinese medicine) for primary nephrotic syndrome. Cochrane Database Syst Rev. 2013;(8):CD008568.
    6. 104137. Ru Y, Luo Y, Zhou Y, et al. Adverse events associated with treatment of Tripterygium wilfordii Hook F: a quantitative evidence synthesis. Front Pharmacol 2019;10:1250. PubMed

    Doxycycline

    Listed in the ADVERSE REACTIONS section of the FDA label for Doxycycline. Read the label on DailyMed ›

  • Vomiting Additional detail

    Thunder God Vine

    Recorded for Thunder God Vine in the same Natural Medicines adverse-effect record shown under Stomach upset / Diarrhea above.

    Doxycycline

    Listed in the ADVERSE REACTIONS section of the FDA label for Doxycycline. Read the label on DailyMed ›

Showing the 10 most notable of 12 shared effects — ranked by how unusual each one is, not just whether both lists mention it.

Reported for Thunder God Vine but not commonly for Doxycycline: changes to your period, erection problems, high potassium and dizziness.

Effects for Doxycycline come from the ADVERSE REACTIONS section of its FDA label; effects for Thunder God Vine come from the Natural Medicines adverse-effect record, quoted above. Wording is matched across sources by our own clinical vocabulary, so treat this as a prompt to pay attention, not a diagnosis.

Special populations

Thunder God Vine in Pregnancy & Breastfeeding

Pregnancy Likely Unsafe

When used orally. Thunder god vine is thought to be teratogenic; 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

How to take them

Some Doxycycline Products Have a Food Rule — Thunder God Vine Should Not Break It

At least one FDA label for a product containing Doxycycline says to take it on an empty stomach. Most supplements — Thunder God Vine included — are taken with a meal, so the easy mistake is swallowing both together at breakfast. Where that rule applies, keep Doxycycline on its own and move Thunder God Vine to a meal later in the day.

This may not be true of your version. Food instructions belong to the product, not the ingredient: two Doxycycline 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 DOSAGE AND ADMINISTRATION Take one Doxycycline capsule (40 mg) once daily in the morning on an empty stomach, preferably at least one hour prior to or two hours after meals.

From the Dosage and Administration section of the FDA label we read for Doxycycline — 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.

From our Q&A

Questions About Thunder God Vine or Doxycycline

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 Doxycycline, 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:

Not quite your question? Ask our pharmacists directly — it is free, there is no account required, and answers usually come back within 24 hours.

Everything else you take

See Every Supplement That Interacts With Doxycycline

This page covers Thunder God Vine only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Doxycycline page lists 166 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Asarabacca (major), Beer (major), Oleander (major) and Siberian Cocklebur (major).

By severity: 7 major · 139 moderate · 20 minor.

From our pharmacist’s overview on the Doxycycline page

“St. John's wort is the supplement I would flag first for anyone on doxycycline (Vibramycin, Doryx), because it can speed the antibiotic out of the body and leave an infection undertreated.”

Reviewed by 2 · Jul 18, 2026

Open the Doxycycline interaction page

How much people look this up

Where Thunder God Vine and Doxycycline 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 Thunder God Vine
Steady interest

#1,029 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Doxycycline
Top 5%

#41 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 Thunder God Vine reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Thunder God Vine and Doxycycline 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 Thunder God Vine

What is Thunder God Vine?

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.

Tripterygium wilfordii · Celastraceae · Root (the inner root and root bark), prepared to remove toxic outer layers · Capsules, tablets, extracts, and topical preparations (often standardized root extracts)

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

Thunder God Vine: dosing

There is no single agreed-upon safe dose for Thunder God Vine, and products differ a lot in how they are made and how strong they are. Because the herb can be toxic, the difference between a helpful amount and a harmful amount may be small.If a healthcare provider recommends it, follow the product label and your provider's directions exactly. Do not use homemade preparations or raw plant material.

From our Thunder God Vine monograph — the full record covers uses, side effects and every documented interaction.

Read the full Thunder God Vine monograph & all interactions
Medication

About Doxycycline

What Is Doxycycline Used For?

Brand names: Vibra-Tabs, Vibramycin, Doryx, Monodox, Doxycin, Doxy, Doxylin, Doxy-D, Periostat, Doxycycline Injection, Oracea, Xyrosa

Doxycycline belongs to the tetracycline family of antibiotics. It's prescribed for many types of bacterial infections, including respiratory tract infections, sexually transmitted infections (STIs), tick-borne illnesses like Rocky Mountain spotted fever, and eye infections. It's also used to help prevent malaria and, in some cases, as a helper treatment for severe acne.

In situations where penicillin-type antibiotics can't be used — due to allergy, for example — doxycycline can step in as an alternative. It should only be used for infections that are proven or strongly suspected to be caused by bacteria.

See full Doxycycline drug information
Keep checking

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.

0Major
849Moderate
0Minor
1,980No known interaction
849 Moderate 1,980 No interaction
Moderate

849 interactions

Showing 60 of 849 moderate interactions — see all 849 on the Thunder God Vine page.

No interaction 1,980 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.

Showing the 60 most looked-up of 1,980 medications checked with no known interaction — see the full Thunder God Vine list.

See the full Thunder God Vine interactions page
See every supplement checked against Doxycycline, ranked by severity
Evidence & sources

Thunder God Vine References

The 33 references that drive our Thunder God Vine 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.

  1. Tao XL, Sun Y, Dong Y, et al. A prospective, controlled, double-blind, cross-over study of tripterygium wilfodii hook F in treatment of rheumatoid arthritis. Chin Med J 1989;102:327-32.
  2. Takei A, Nagashima G, Suzuki R, et al. Meningoencephalocele associated with Tripterygium wilfordii treatment. Pediatr Neurosurg 1997;27:45-8. PubMed
  3. Zhen QS, Ye X, Wei ZJ. Recent progress in research on Tripterygium: a male antifertility plant. Contraception 1995;51:121-9.. PubMed
  4. Tao X, Younger J, Fan FZ, et al. Benefit of an extract of Tripterygium Wilfordii Hook F in patients with rheumatoid arthritis: a double-blind, placebo-controlled study. Arthritis Rheum 2002;46:1735-43..
  5. Tao X, Cush JJ, Garret M, Lipsky PE. A phase I study of ethyl acetate extract of the chinese antirheumatic herb Tripterygium wilfordii hook F in rheumatoid arthritis. J Rheumatol 2001;28:2160-7..
  6. Jiang L, Zhao N, Ni L. Retrospective study of adverse events in patients with rheumatoid arthritis treated with second-line drugs. Zhonghua Liu Xing Bing Xue Za Zhi 2002;23:213-7..
  7. Qian SZ, Hu YZ, Wang SM, et al. Effects of Tripterygium hypoglaucum (Levl.) Hutch on male fertility. Adv Contracept 1988;4:307-10..
  8. Li, L. F. Treatment of pyoderma gangrenosum with oral Tripterygium wilfordii multiglycoside. J Dermatol. 2000;27(7):478-481.
  9. Huang, H. H., Yen, D. H., Wu, M. L., Deng, J. F., Huang, C. I., and Lee, C. H. Acute Erycibe henryi Prain ("Ting Kung Teng") poisoning. Clin.Toxicol.(Phila) 2006;44(1):71-75. PubMed
  10. Tao, X., Sun, Y., and Zhang, N. [Treatment of rheumatoid arthritis with low doses of multi-glycosides of Tripterygium wilfordii]. Zhong.Xi.Yi.Jie.He.Za Zhi. 1990;10(5):289-2.
  11. Wang, B. X. and Yuan, Z. Z. [A tablet of Tripterygium wilfordii in treating lupus erythematosus]. Zhong.Xi.Yi.Jie.He.Za Zhi. 1989;9(7):407-8, 389.
  12. Jia, T. H., Sun, H. C., Wang, X. X., Xiu, H. M., Ding, W. D., Hao, X. D., Wu, L., Wang, G. X., and Lei, J. Z. Ultrastructural observation on macrophage-lymphocyte interactions in semen from Tripterygium wilfordii Hook.f. takers. Chin Med J (Engl.) 1994;1
  13. Wang Z, Yu C, Zhou LN, Chen X. Effects of Tripterygium wilfordii induction therapy to IgA nephropathy patients with heavy proteinuria. Biol Pharm Bull. 2017;40(11):1833-1838.
  14. Zhang Q, Chen X, Chen S, Liu Z, Wan R, Li J. Fatal honey poisoning caused by Tripterygium wilfordii Hook F in southwest China: A case series. Wilderness Environ Med. 2016;27(2):271-3.
  15. Liu S, Li X, Li H, Liang Q, Chen J, Chen J. Comparison of Tripterygium wilfordii multiglycosides and tacrolimus in the treatment of idiopathic membranous nephropathy: a prospective cohort study. BMC Nephrol. 2015;16:200. 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.

Pharmacist Counseling Corner

Taking Thunder God Vine and Doxycycline Together: Common Questions

Is it safe to take Thunder God Vine with Doxycycline?
We do not list a known interaction between Thunder God Vine and Doxycycline. 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.
Do Thunder God Vine and Doxycycline have any of the same side effects?
Yes — our sources link each of them separately to 10 of the same effects. That is not an interaction: neither changes how your body handles the other. It does mean that if one of those effects turns up, it can be harder to tell which one is behind it. They are listed on this page with the source behind each.
Should I take Thunder God Vine and Doxycycline at the same time of day?
At least one FDA label for a product containing Doxycycline says to take it on an empty stomach, and supplements are usually taken with a meal — so taking them together at breakfast is the easy mistake. Where that applies, keep Doxycycline on its own and move Thunder God Vine to a meal later in the day. Food instructions belong to the product rather than the ingredient, so check the directions on your own box. This is about absorption, not an interaction.
How was the Thunder God Vine and Doxycycline combination checked?
Interactions in our licensed database are recorded against drug classes. Doxycycline is filed under 9 classifications, and Thunder God Vine has documented interactions with 4 drug classes — none of Doxycycline'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 Thunder God Vine interact with any other medications?
Yes. Thunder God Vine has 849 documented drug interactions in our database — Doxycycline 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 Doxycycline interact with any supplements?
Yes. Doxycycline has documented interactions with 166 supplements in our database — Thunder God Vine is not one of them. The Doxycycline 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

Thunder God Vine monograph Uses, safety profile, and every drug interaction in one place Doxycycline drug information The full plain-English guide to this medication Doxycycline supplement interactions Every supplement checked against Doxycycline, 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 33 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Doxycycline and Thunder God Vine?

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.