Drug & supplement interaction

Panax Ginseng + Dextrothyroxine

Dextrothyroxine brand name: Choloxin.

No Known Interaction

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated July 2026 · Pair last verified Sep 13, 2026

The bottom line No known interaction

We found no known interaction between Panax Ginseng and Dextrothyroxine 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.

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Interaction report

Panax Ginseng and Dextrothyroxine

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 Dextrothyroxine and Panax Ginseng 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.

Panax Ginseng safety at a glance

Panax Ginseng overall Use caution Generally well tolerated short-term in healthy adults, but quality and long-term safety vary.

Pregnancy Possibly Unsafe When used orally. Ginsenoside Rb1, an active constituent of Panax ginseng, has teratogenic effects in animal models; avoid using. Read the full pregnancy detail

Breastfeeding Avoid Not enough safety data; avoid while breastfeeding.

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 Dextrothyroxine and Panax Ginseng? Ask Dr. Brian Staiger, PharmD, BCPS directly ›

How we checked

Why No Interaction Is Listed for Dextrothyroxine

Interactions in our licensed database are recorded against drug classes, not just single drug names. Dextrothyroxine is filed under 2 classifications — thyroid hormone, oral drugs. Panax Ginseng has documented interactions with 20 drug classes — the most serious being anticoagulant/antiplatelet drugs (moderate), antidiabetes drugs (moderate) and caffeine (moderate) — and none of Dextrothyroxine’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

Panax Ginseng Does Interact With Other Medications

Panax Ginseng has 1,130 moderate known drug interactions in our database — Dextrothyroxine isn’t one of them. If you take anything else, check it against the full list below.

Moderate 1,130 No known interaction 1,700 (incl. Dextrothyroxine)

Taking anything else?

Check Another of Your Medications Against Panax Ginseng

Covers the 2,830 medications we’ve checked against Panax Ginseng. Pick one to open its full report.

What to actually watch for

What Panax Ginseng Itself Has Been Linked To

This is not an interaction — nothing below involves Dextrothyroxine. It is the side-effect record for Panax Ginseng on its own, from the licensed Natural Medicines monograph. If something new turns up after you add Panax Ginseng, this list is the first place to look. 7 entries are worth acting on rather than waiting out — marked below.

Mania or an unusually elevated mood Worth acting on Additional detail
“Orally, one of the most common side effects to Panax ginseng is insomnia. Headache, vertigo, euphoria, and mania have also been reported. Migraine and somnolence occurred in single subjects in a clinical trial. In a case report of a 46-year-old female, orobuccolingual dyskinesia occurred following oral use of a preparation containing black cohosh 20 mg and Panax ginseng 50 mg twice daily for menopausal symptoms.”

Panax Ginseng · Natural Medicines adverse-effect record, reported in cluster headache.
6 sources cited

589. Scaglione F, Cattaneo G, Alessandria M, Cogo R. Efficacy and safety of the standardized Ginseng extract G115 for potentiating vaccination against the influenza syndrome and protection against the common cold. Drugs Exp Clin Res 1996;22:65-72.

89734. Malati CY, Robertson SM, Hunt JD, Chairez C, Alfaro RM, Kovacs JA, Penzak SR. Influence of Panax ginseng on cytochrome P450 (CYP)3A and P-glycoprotein (P-gp) activity in healthy participants. J Clin Pharmacol 2012;52(6):932-9.

111336. Liu J, Chang D, Cordato D, et al. A pilot randomized controlled trial of WeiNaoKang (SaiLuoTong) in treating vascular dementia. Aging Med (Milton). 2022;5(4):246-256. PubMed

114985. Arabi SM, Shahraki-Jazinaki M, Nayyerabadi M, et al. The Effect of Ginseng Supplementation on Lipid Profile: GRADE-assessed Systematic Review and Dose-response Meta-analysis of Randomized Controlled Trials. Curr Pharm Des 2024;30(26):2047-205. PubMed

594. Gonzalez-Seijo JC, Ramos YM, Lastra I. Manic episode and ginseng: Report of a possible case. J Clin Psychopharmacol 1995;15:447-8.

23638. Kim, T. H., Jeon, S. H., Hahn, E. J., Paek, K. Y., Park, J. K., Youn, N. Y., and Lee, H. L. Effects of tissue-cultured mountain ginseng (Panax ginseng CA Meyer) extract on male patients with erectile dysfunction. Asian J Androl 2009;11(3):356-361. PubMed
A stroke or mini-stroke / Raised blood pressure Worth acting on Additional detail
“Panax ginseng may cause hypertension, hypotension, and edema when used orally in high doses, long-term. However, single doses of Panax ginseng up to 800 mg are not associated with changes in electrocardiogram (ECG) parameters or increases in heart rate or blood pressure.”

Panax Ginseng · Natural Medicines adverse-effect record, reported in hypertension.
4 sources cited

3353. Siegel RK. Ginseng Abuse Syndrome. JAMA 1979;241:1614-5. DOI

96218. Shah SA, Occiano A, Nguyen TA, et al. Electrocardiographic and blood pressure effects of energy drinks and panax ginseng in healthy volunteers: a randomized clinical trial. Int J Cardiol. 2016 Sep 1;218:318-23. PubMed

13030. Kabalak AA, Soyal OB, Urfalioglu A, et al. Menometrorrhagia and tachyarrhythmia after using oral and topical ginseng. J Womens Health (Larchmt) 2004;13:830-3. PubMed

89402. Martínez-Mir I, Rubio E, Morales-Olivas FJ, Palop-Larrea V. Transient ischemic attack secondary to hypertensive crisis related to Panax ginseng. Ann Pharmacother 2004;38(11):1970.
An irregular heartbeat Worth acting on Additional detail

“Orally, Panax ginseng is generally well tolerated when used for up to 6 months. There is some concern about the long-term safety due to potential hormone-like effects.

Topically, no adverse effects have been reported when ginseng is used as a single ingredient.”

Panax Ginseng · Natural Medicines adverse-effect record, reported in arrhythmia.
A severe skin reaction Worth acting on Additional detail
“Orally, Panax ginseng may cause itching or an allergic response consisting of systemic rash and pruritus. Skin eruptions have also been reported with use of Panax ginseng at high dosage, long-term. Uncommon side effects with oral Panax ginseng include Stevens-Johnson syndrome.

In one case report, a 6-year-old male with a previous diagnosis of generalized pustular psoriasis, which had been in remission for 18 months,…”

Panax Ginseng · Natural Medicines adverse-effect record, reported in myasthenia gravis.
6 sources cited

89743. Kim HG, Cho JH, Yoo SR, Lee JS, Han JM, Lee NH, Ahn YC, Son CG. Antifatigue effects of Panax ginseng C.A. Meyer: a randomised, double-blind, placebo-controlled trial. PLoS One 2013;8(4):e61271. PubMed

89760. Rhee MY, Kim YS, Bae JH, Nah DY, Kim YK, Lee MM, Kim HY. Effect of Korean red ginseng on arterial stiffness in subjects with hypertension. J Altern Complement Med 2011;17(1):45-9.

104953. Bessell E, Fuller NR, Markovic TP, et al. Effects of a-cyclodextrin on cholesterol control and hydrolyzed ginseng extract on glycemic control in people with prediabetes: a randomized clinical trial. JAMA Netw Open 2020 Nov 2;3(11):e2023491.

114984. Cho SK, Song YJ, Han JY, Kim HW, Nam E, Sung YK. Effectiveness of Korean Red Ginseng on fatigue in patients with rheumatic diseases: a randomized, double-blind, placebo-controlled study. Korean J Intern Med 2024;39(4):680-690. PubMed

114985. Arabi SM, Shahraki-Jazinaki M, Nayyerabadi M, et al. The Effect of Ginseng Supplementation on Lipid Profile: GRADE-assessed Systematic Review and Dose-response Meta-analysis of Randomized Controlled Trials. Curr Pharm Des 2024;30(26):2047-205. PubMed

3353. Siegel RK. Ginseng Abuse Syndrome. JAMA 1979;241:1614-5. DOI
A severe allergic reaction Worth acting on Additional detail
“A case of anaphylaxis, with symptoms of hypotension and rash, has been reported following ingestion of a small amount of Panax ginseng syrup.”

Panax Ginseng · Natural Medicines adverse-effect record, reported in hypotension.
1 source cited

11971. Wiwanikit V, Taungjarwinai W. A case report of suspected ginseng allergy. Medscape General Medicine 6 (3), 2004. Available at: www.medscape.com/viewarticle/482833 (Accessed 17 September 2004).
Liver problems Worth acting on Additional detail
“It is unclear if Panax ginseng is associated with adverse hepatic effects. Cholestatic hepatitis has been reported in a 65-year old male following oral use of a combination product containing Panax ginseng and other ingredients (Prostata). However, it is unclear if this adverse effect was due to Panax ginseng, other ingredients, or the combination.”

Panax Ginseng · Natural Medicines adverse-effect record, reported in hepatitis.
2 sources cited

598. Hamid S, Rojter S, Vierling J. Protracted cholestatic hepatitis after the use of Prostata. Ann Intern Med 1997;127:169-70.

114985. Arabi SM, Shahraki-Jazinaki M, Nayyerabadi M, et al. The Effect of Ginseng Supplementation on Lipid Profile: GRADE-assessed Systematic Review and Dose-response Meta-analysis of Randomized Controlled Trials. Curr Pharm Des 2024;30(26):2047-205. PubMed
Bleeding or bruising Worth acting on Additional detail
“Amenorrhea has been reported with oral use of Panax ginseng.

Topically, when a specific multi-ingredient cream preparation (SS Cream) has been applied to the glans penis, sporadic erectile dysfunction and excessively delayed ejaculation have occurred. Less commonly, patients can experience vaginal bleeding.”

Panax Ginseng · Natural Medicines adverse-effect record, reported in amenorrhea.
6 sources cited

3353. Siegel RK. Ginseng Abuse Syndrome. JAMA 1979;241:1614-5. DOI

2537. Choi HK, Jung GW, Moon KH, et al. Clinical study of SS-Cream in patients with lifelong premature ejaculation. Urology 2000;55:257-61. PubMed

591. Hopkins MP, Androff L, Benninghoff AS. Ginseng face cream and unexplained vaginal bleeding. Am J Obstet Gynecol 1988;159:1121-2. PubMed

592. Greenspan EM. Ginseng and vaginal bleeding [letter]. JAMA 1983;249:2018.

3354. Palop-Larrea V, Gonzalvez-Perales JL, Catalan-Oliver C, et al. Metrorrhagia and ginseng. Ann Pharmacother 2000;34:1347-8. PubMed

23630. Oh, K. J., Chae, M. J., Lee, H. S., Hong, H. D., and Park, K. Effects of Korean red ginseng on sexual arousal in menopausal women: placebo-controlled, double-blind crossover clinical study. J Sex Med 2010;7(4 Pt 1):1469-1477. PubMed
“The estrogenic effects of ginseng are controversial. Some clinical evidence suggests it doesn't have estrogen-mediated effects. However, case reports of ginseng side effects such as postmenopausal vaginal bleeding suggest estrogenic activity.

In a 12-year-old Korean-Japanese male, enlargement of both breasts with tenderness in the right breast (gynecomastia) occurred after taking red ginseng extract 500 mg daily oral…”

Panax Ginseng · Natural Medicines adverse-effect record, reported in myasthenia gravis.
6 sources cited

10981. Wiklund IK, Mattsson LA, Lindgren R, et al. Effects of a standardized ginseng extract on quality of life and physiological parameters in symptomatic postmenopausal women: a double-blind, placebo-controlled trial. Int J Clin Pharmacol Res 1999;19:89-99..

590. Palmer BV, Montgomery AC, Monteiro JC, et al. Gin Seng and mastalgia [letter]. BMJ 1978;1:1284. PubMed

591. Hopkins MP, Androff L, Benninghoff AS. Ginseng face cream and unexplained vaginal bleeding. Am J Obstet Gynecol 1988;159:1121-2. PubMed

592. Greenspan EM. Ginseng and vaginal bleeding [letter]. JAMA 1983;249:2018.

10982. Hammond TG, Whitworth JA. Adverse reactions to ginseng [letter]. Med J Aust 1981;1:492.. PubMed

10983. Punnonen R, Lukola A. Oestrogen-like effect of ginseng. Br Med J 1980;281:1110.. PubMed
Changes to your period Additional detail

Recorded for Panax Ginseng in the same Natural Medicines adverse-effect record shown under Bleeding or bruising above.
Breast tenderness Additional detail

Recorded for Panax Ginseng in the same Natural Medicines adverse-effect record shown under Bleeding or bruising above.

Showing the 10 most notable of 27 recorded effects — ranked by how unusual each one is across medicines generally, with serious effects weighted up.

Everything above comes from the Natural Medicines adverse-effect record for Panax Ginseng — expand a row for the licensed statement it rests on. We haven’t matched Dextrothyroxine to its FDA label in our system yet, so we can’t compare its own side-effect list here — the leaflet that comes with your prescription is the authoritative list for Dextrothyroxine.

Special populations

Panax Ginseng in Pregnancy & Breastfeeding

Pregnancy Possibly Unsafe

When used orally. Ginsenoside Rb1, an active constituent of Panax ginseng, has teratogenic effects in animal models; 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

Everything else you take

See Every Supplement That Interacts With Dextrothyroxine

This page covers Panax Ginseng only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Dextrothyroxine page lists 38 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Tiratricol (major), Acetyl-l-carnitine (moderate), Alpha-lipoic Acid (moderate) and Ascophyllum Nodosum (moderate).

By severity: 2 major · 26 moderate · 10 minor.

From our pharmacist’s overview on the Dextrothyroxine page

“Activated charcoal is the risk I would flag first with dextrothyroxine (Choloxin), a thyroid hormone once used to lower cholesterol. Charcoal binds drugs in the gut and can strip away much of a dose, and it is one of only two major-rated interactions among the 38 supplements on file here.”

Reviewed by 2 · Jul 18, 2026

Open the Dextrothyroxine interaction page

One more smart check

Taking Panax Ginseng as Part of a Dietary Supplement Product? Check It for Interactions

We hold 517 real supplement products containing Panax Ginseng, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Panax Ginseng. Even though Panax Ginseng itself has no known interaction with Dextrothyroxine, another ingredient on your label might. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Panax Ginseng and Dextrothyroxine 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 Panax Ginseng

Top 25%

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

29 days ago today

Medication Dextrothyroxine

Top 25%

#697 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 Panax Ginseng reference on this page ↓
Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Panax Ginseng and Dextrothyroxine 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 Dr. Brian Staiger, PharmD, BCPS.

Supplement

About Panax Ginseng

What is Panax Ginseng?

Boosting energy and fighting fatigue
Improving mental focus and memory
Coping with stress (adaptogen)
Erectile dysfunction
Supporting immune health
Blood sugar support

Panax ginseng is a popular traditional herb used to boost energy, ease stress, and support overall wellness, though scientific evidence is mixed and mostly preliminary. It is generally well tolerated for short-term use in healthy adults, but it can cause side effects like trouble sleeping and may not be safe during pregnancy or breastfeeding. Always check with your pharmacist or doctor before starting it, especially if you have a medical condition or take other medicines.

Panax ginseng · Araliaceae · Root · Capsules, tablets, dried root, powder, tea, liquid extracts, energy drinks

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

Panax Ginseng: dosing

There is no single official or standardized dose for Panax ginseng. The right amount depends on the product, the form (such as dried root, extract, or red ginseng), and how it is standardized for ginsenosides.The best approach is to follow the directions on the product label and not take more than recommended.

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

Read the full Panax Ginseng monograph & all interactions

Keep checking

Other Drugs & Panax Ginseng

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

0Major

1,130Moderate

0Minor

1,699No known interaction

1,130 Moderate 1,699 No interaction

Moderate

1,130 interactions

Showing 60 of 1,130 moderate interactions — see all 1,130 on the Panax Ginseng page.

No interaction 1,699 drugs checked — show the list

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

Showing the 60 most looked-up of 1,699 medications checked with no known interaction — see the full Panax Ginseng list.

See the full Panax Ginseng interactions page

See every supplement checked against Dextrothyroxine, ranked by severity

Evidence & sources

Panax Ginseng References

The 66 references that drive our Panax Ginseng 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.

Scaglione F, Cattaneo G, Alessandria M, Cogo R. Efficacy and safety of the standardized Ginseng extract G115 for potentiating vaccination against the influenza syndrome and protection against the common cold. Drugs Exp Clin Res 1996;22:65-72.
Palmer BV, Montgomery AC, Monteiro JC, et al. Gin Seng and mastalgia [letter]. BMJ 1978;1:1284. PubMed
Hopkins MP, Androff L, Benninghoff AS. Ginseng face cream and unexplained vaginal bleeding. Am J Obstet Gynecol 1988;159:1121-2. PubMed
Greenspan EM. Ginseng and vaginal bleeding [letter]. JAMA 1983;249:2018.
Gonzalez-Seijo JC, Ramos YM, Lastra I. Manic episode and ginseng: Report of a possible case. J Clin Psychopharmacol 1995;15:447-8.
Dega H, Laporte JL, Frances C, et al. Ginseng as a cause of Stevens-Johnson syndrome. Lancet 1996;347:1344.
Hamid S, Rojter S, Vierling J. Protracted cholestatic hepatitis after the use of Prostata. Ann Intern Med 1997;127:169-70.
Shader RI, Greenblatt DJ. Phenelzine and the dream machine-ramblings and reflections. J Clin Psychopharmacol 1985;5:65. PubMed
Jones BD, Runikis AM. Interaction of ginseng with phenelzine. J Clin Psychopharmacol 1987;7:201-2. PubMed
Janetzky K, Morreale AP. Probable interaction between warfarin and ginseng. Am J Health Syst Pharm 1997;54:692-3. PubMed
Becker BN. Ginseng-induced diuretic resistance. JAMA 1996;276:606-7. PubMed
Gurley BJ, Gardner SF, Hubbard MA. Clinical assessment of potential cytochrome P450-mediated herb-drug interactions. AAPS Ann Mtg & Expo Indianapolis, IN: 2000; Oct 29 - Nov 2:presentation #3460.
Park HJ, Lee JH, Song YB, Park KH. Effects of dietary supplementation of lipophilic fraction from Panax ginseng on cGMP and cAMP in rat platelets and on blood coagulation. Biol Pharm Bull 1996;19:1434-9. PubMed
Zhu M, Chan KW, Ng LS, et al. Possible influences of ginseng on the pharmacodynamics of warfarin in rats. J Pharm Pharmacol 1999;51:175-80.
Choi HK, Jung GW, Moon KH, et al. Clinical study of SS-Cream in patients with lifelong premature ejaculation. Urology 2000;55:257-61. PubMed
Shin HR, Kim JY, Yun TK, et al. The cancer-preventive potential of Panax ginseng: a review of human and experimental evidence. Cancer Causes Control 2000;11:565-76. PubMed
Siegel RK. Ginseng Abuse Syndrome. JAMA 1979;241:1614-5. DOI
Palop-Larrea V, Gonzalvez-Perales JL, Catalan-Oliver C, et al. Metrorrhagia and ginseng. Ann Pharmacother 2000;34:1347-8. PubMed
Caron MF, Hotsko AL, Robertson S, et al. Electrocardiographic and hemodynamic effects of Panax ginseng. Ann Pharmacother 2002;36:758-63..
Eagon PK, Elm MS, Hunter DS, et al. Medicinal herbs: modulation of estrogen action. Era of Hope Mtg, Dept Defense; Breast Cancer Res Prog, Atlanta, GA 2000;Jun 8-11.
Chan LY, Chiu PY, Lau TK. An in-vitro study of ginsenoside Rb(1)-induced teratogenicity using a whole rat embryo culture model. Hum Reprod 2003;18:2166-8..
Gurley BJ, Gardner SF, Hubbard MA, et al. Cytochrome P450 phenotypic ratios for predicting herb-drug interactions in humans. Clin Pharmacol Ther 2002;72:276-87.. PubMed
Wiklund IK, Mattsson LA, Lindgren R, et al. Effects of a standardized ginseng extract on quality of life and physiological parameters in symptomatic postmenopausal women: a double-blind, placebo-controlled trial. Int J Clin Pharmacol Res 1999;19:89-99..
Hammond TG, Whitworth JA. Adverse reactions to ginseng [letter]. Med J Aust 1981;1:492.. PubMed
Punnonen R, Lukola A. Oestrogen-like effect of ginseng. Br Med J 1980;281:1110.. PubMed
Lee YJ, Jin YR, Lim WC, et al. Ginsenoside-Rb1 acts as a weak phytoestrogen in MCF-7 human breast cancer cells. Arch Pharm Res 2003;26:58-63.. PubMed
Xu QF, Fang XL, Chen DF. Pharmacokinetics and bioavailability of ginsenoside Rb1 and Rg1 from Panax notoginseng in rats. J Ethnopharmacol 2003;84:187-92. PubMed
Jiang X, Williams KM, Liauw WS, et al. Effect of St John's wort and ginseng on the pharmacokinetics and pharmacodynamics of warfarin in healthy subjects. Br J Clin Pharmacol 2004;57:592-9. PubMed
Yun YP, Do JH, Ko SR, et al. Effects of Korean red ginseng and its mixed prescription on the high molecular weight dextran-induced blood stasis in rats and human platelet aggregation. J Ethnopharmacol 2001;77:259-64. PubMed
Wiwanikit V, Taungjarwinai W. A case report of suspected ginseng allergy. Medscape General Medicine 6 (3), 2004. Available at: www.medscape.com/viewarticle/482833 (Accessed 17 September 2004).
Kabalak AA, Soyal OB, Urfalioglu A, et al. Menometrorrhagia and tachyarrhythmia after using oral and topical ginseng. J Womens Health (Larchmt) 2004;13:830-3. PubMed
Jiang X, Blair EY, McLachlan AJ. Investigation of the effects of herbal medicines on warfarin response in healthy subjects: a population pharmacokinetic-pharmacodynamic modeling approach. J Clin Pharmacol 2006;46:1370-8. PubMed
Lee SH, Ahn YM, Ahn SY, et al. Interaction between warfarin and Panax ginseng in ischemic stroke patients. J Altern Complement Med 2008;14:715-721.
Smith M, Lin KM, and Zheng YP. PIII-89 an open trial of nifedipine-herb interactions: Nifedipine with St. John's wort, ginseng or ginkgo biloba. Clin Pharm Ther 2001;69:P86.
Mateo-Carrasco, H., Galvez-Contreras, M. C., Fernandez-Gines, F. D., and Nguyen, T. V. Elevated liver enzymes resulting from an interaction between Raltegravir and Panax ginseng: a case report and brief review. Drug Metabol.Drug Interact. 2012;27(3):171-1
Oh, K. J., Chae, M. J., Lee, H. S., Hong, H. D., and Park, K. Effects of Korean red ginseng on sexual arousal in menopausal women: placebo-controlled, double-blind crossover clinical study. J Sex Med 2010;7(4 Pt 1):1469-1477. PubMed
Kim, T. H., Jeon, S. H., Hahn, E. J., Paek, K. Y., Park, J. K., Youn, N. Y., and Lee, H. L. Effects of tissue-cultured mountain ginseng (Panax ginseng CA Meyer) extract on male patients with erectile dysfunction. Asian J Androl 2009;11(3):356-361. PubMed
Hu, Z., Yang, X., Ho, P. C., Chan, S. Y., Heng, P. W., Chan, E., Duan, W., Koh, H. L., and Zhou, S. Herb-drug interactions: a literature review. Drugs 2005;65(9):1239-1282. PubMed
Zhang, R., Jie, J., Zhou, Y., Cao, Z., and Li, W. Long-term effects of Panax ginseng on disposition of fexofenadine in rats in vivo. Am J Chin Med 2009;37(4):657-667.
Lee, Y. H., Lee, B. K., Choi, Y. J., Yoon, I. K., Chang, B. C., and Gwak, H. S. Interaction between warfarin and Korean red ginseng in patients with cardiac valve replacement. Int J Cardiol. 11-19-2010;145(2):275-276. PubMed
Liu, P., Yin, H., Xu, Y., Zhang, Z., Chen, K., and Li, Y. Effects of ginsenoside Rg1 on postimplantation rat and mouse embryos cultured in vitro. Toxicol In Vitro 2006;20(2):234-238. PubMed
Liu, P., Xu, Y., Yin, H., Wang, J., Chen, K., and Li, Y. Developmental toxicity research of ginsenoside Rb1 using a whole mouse embryo culture model. Birth Defects Res B Dev Reprod Toxicol 2005;74(2):207-209. PubMed
Gurley, B. J., Gardner, S. F., Hubbard, M. A., Williams, D. K., Gentry, W. B., Cui, Y., and Ang, C. Y. Clinical assessment of effects of botanical supplementation on cytochrome P450 phenotypes in the elderly: St John's wort, garlic oil, Panax ginseng and DOI
Wesnes KA, Faleni RA, Hefting NR, and et al. The cognitive, subjective, and physical effects of a Ginkgo biloba/Panax ginseng combination in healthy volunteers with neurasthenic complaints. Psychopharmacol Bull 1997;33(4):677-683.
Martínez-Mir I, Rubio E, Morales-Olivas FJ, Palop-Larrea V. Transient ischemic attack secondary to hypertensive crisis related to Panax ginseng. Ann Pharmacother 2004;38(11):1970.
Kakisaka Y, Ohara T, Tozawa H, Sato S, Katayama S, Suzuki T, Hino-Fukuyo N, Kure S. Panax ginseng: a newly identified cause of gynecomastia. Tohoku J Exp Med 2012;228(2):143-5. PubMed
Malati CY, Robertson SM, Hunt JD, Chairez C, Alfaro RM, Kovacs JA, Penzak SR. Influence of Panax ginseng on cytochrome P450 (CYP)3A and P-glycoprotein (P-gp) activity in healthy participants. J Clin Pharmacol 2012;52(6):932-9.
Sen A. Orobuccolingual dyskinesia after long-term use of black cohosh and ginseng. J Neuropsychiatry Clin Neurosci 2013 Fall;25(4):E50. PubMed
Oh MR, Park SH, Kim SY, Back HI, Kim MG, Jeon JY, Ha KC, Na WT, Cha YS, Park BH, Park TS, Chae SW. Postprandial glucose-lowering effects of fermented red ginseng in subjects with impaired fasting glucose or type 2 diabetes: a randomized, double-blind, pla
Kim HG, Cho JH, Yoo SR, Lee JS, Han JM, Lee NH, Ahn YC, Son CG. Antifatigue effects of Panax ginseng C.A. Meyer: a randomised, double-blind, placebo-controlled trial. PLoS One 2013;8(4):e61271. PubMed
Rhee MY, Kim YS, Bae JH, Nah DY, Kim YK, Lee MM, Kim HY. Effect of Korean red ginseng on arterial stiffness in subjects with hypertension. J Altern Complement Med 2011;17(1):45-9.
Bilgi N, Bell K, Ananthakrishnan AN, Atallah E. Imatinib and Panax ginseng: a potential interaction resulting in liver toxicity. Ann Pharmacother 2010;44(5):926-8.
Jalloh MA, Gregory PJ, Hein D, et al. Dietary supplement interactions with antiretrovirals: a systematic review. Int J STD AIDS. 2017 Jan;28(1):4-15. PubMed
Shah SA, Occiano A, Nguyen TA, et al. Electrocardiographic and blood pressure effects of energy drinks and panax ginseng in healthy volunteers: a randomized clinical trial. Int J Cardiol. 2016 Sep 1;218:318-23. PubMed
Yang L, Li CL, Tsai TH. Preclinical Herb-Drug Pharmacokinetic Interaction of Panax ginseng Extract and Selegiline in Freely Moving Rats. ACS Omega. 2020;5(9):4682-4688.
Shen L, Gwak SR, Joo JC, et al. Effectiveness and safety of Panax ginseng extract on hepatic dysfunction: A randomized, double-blind, placebo-controlled clinical trial. Evid Based Complement Alternat Med. 2020;2020:2689565.
Kim Y, Jo JJ, Cho P, et al. Characterization of red ginseng-drug interaction by CYP3A activity increased in high dose administration in mice. Biopharm Drug Dispos. 2020;41(7):295-306. PubMed
Bessell E, Fuller NR, Markovic TP, et al. Effects of a-cyclodextrin on cholesterol control and hydrolyzed ginseng extract on glycemic control in people with prediabetes: a randomized clinical trial. JAMA Netw Open 2020 Nov 2;3(11):e2023491.
Lee SR, Hur K, Cho S. Subcorneal pustular dermatosis as a cause of pityriasis amiantacea in a young child. JAAD Case Rep 2021;18:40-44. PubMed
Liu J, Chang D, Cordato D, et al. A pilot randomized controlled trial of WeiNaoKang (SaiLuoTong) in treating vascular dementia. Aging Med (Milton). 2022;5(4):246-256. PubMed
Shin D, Yoon BI, Bang S, et al. Safety and Efficacy Assessment of Red Ginseng Oil (RXGIN) in Men with Lower Urinary Tract Symptoms in a Randomized, Double-Blind, Placebo-Controlled Trial. World J Mens Health 2023. PubMed
Shin MB, Kim SA, Lee S, et al. Pharmacokinetic Comparison of Ginsenosides between Fermented and Non-Fermented Red Ginseng in Healthy Volunteers. Pharmaceutics 2022;14(12):2807. PubMed
Gao J, Shi J, Ma X, et al. Effects of ginseng berry saponins from panax ginseng on glucose metabolism of patients with prediabetes: A randomized, double-blinded, placebo-controlled, crossover trial. Phytomedicine 2024;132:155842. PubMed
Cho SK, Song YJ, Han JY, Kim HW, Nam E, Sung YK. Effectiveness of Korean Red Ginseng on fatigue in patients with rheumatic diseases: a randomized, double-blind, placebo-controlled study. Korean J Intern Med 2024;39(4):680-690. PubMed
Arabi SM, Shahraki-Jazinaki M, Nayyerabadi M, et al. The Effect of Ginseng Supplementation on Lipid Profile: GRADE-assessed Systematic Review and Dose-response Meta-analysis of Randomized Controlled Trials. Curr Pharm Des 2024;30(26):2047-205. PubMed
Zeng X, Zhou X, Zhang A, et al. Pityriasis Rosea-Like Eruption following anti-fatigue traditional herbs: Aconitum carmichaelii Debx and Panax Ginseng suspected. BMC Complement Med Ther 2024;24(1):248. 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 Panax Ginseng and Dextrothyroxine Together: Common Questions

Is it safe to take Panax Ginseng with Dextrothyroxine?

We do not list a known interaction between Panax Ginseng and Dextrothyroxine. 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.

How was the Panax Ginseng and Dextrothyroxine combination checked?

Interactions in our licensed database are recorded against drug classes. Dextrothyroxine is filed under 2 classifications, and Panax Ginseng has documented interactions with 20 drug classes — none of Dextrothyroxine'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 Panax Ginseng interact with any other medications?

Yes. Panax Ginseng has 1,130 documented drug interactions in our database — Dextrothyroxine 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 Dextrothyroxine interact with any supplements?

Yes. Dextrothyroxine has documented interactions with 38 supplements in our database — Panax Ginseng is not one of them. The Dextrothyroxine interaction page linked on this page lists every one, ranked by severity.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

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This information is for education only and is not a substitute for professional medical advice. Always check with your pharmacist or doctor before starting, stopping, or combining supplements and medications.