Drug & supplement interaction

Taurine + Penicillin V

Penicillin V brand name: Pen-Vee.

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 Taurine and Penicillin V 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 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

Taurine and Penicillin V

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 Penicillin V and Taurine 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.

Taurine safety at a glance

Taurine overall Use caution Generally well tolerated short-term in healthy adults, but long-term safety is less certain.
Pregnancy Likely Safe When used in amounts found in foods. There is insufficient reliable information available about the safety of taurine when used in medicinal amounts during preg... Read the full pregnancy detail
Breastfeeding Likely Safe When used in amounts found in foods. There is insufficient reliable information available about the safety of taurine when used in medicinal amounts during preg... Read the full breastfeeding detail

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 Penicillin V and Taurine? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Penicillin V

Interactions in our licensed database are recorded against drug classes, not just single drug names. Penicillin V is filed under 4 classifications — including antibiotic drugs, nephrotoxic drugs, seizure threshold lowering drugs. Taurine has documented interactions with 2 drug classes — the most serious being antihypertensive drugs (moderate) and lithium (moderate) — and none of Penicillin V’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

Taurine Does Interact With Other Medications

Taurine has 173 moderate known drug interactions in our database — Penicillin V isn’t one of them. If you take anything else, check it against the full list below.

Moderate 173 No known interaction 2,657 (incl. Penicillin V)
Taking anything else?

Check Another of Your Medications Against Taurine

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

What to actually watch for

No Interaction Found — But Data Suggests Taurine and Penicillin V 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. One of them is worth acting on rather than waiting out — marked below.

  • An allergic reaction Worth acting on Additional detail

    Taurine

    “A case report describes a hypersensitivity reaction in a female patient with a history of allergies to sulfonamides, sulfites, and various foods, after ingestion of taurine and other sulfur-containing supplements. The amount of taurine in the products ranged from 50-500 mg per dose. The allergic reaction recurred upon rechallenge with taurine 250-300 mg.”

    Taurine · Natural Medicines adverse-effect record, reported in allergic rhinitis (hay fever).

    1 source cited
    1. 91514. Stohs SJ, Miller M. A case study involving allergic reactions to sulfur-containing compounds including, sulfite, taurine, acesulfame potassium and sulfonamides. Food Chem Toxicol. 2014 Jan;63:240-3. PubMed

    Penicillin V

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

  • Fever / Vomiting Additional detail

    Taurine

    “In clinical research, taurine reduced platelet aggregation. A case of massive intravascular hemolysis, presenting with confusion, dark urine, dyspnea, emesis, and fever, has been reported following the administration of a naturopathic vitamin infusion containing taurine, free amino acids, magnesium, and a vitamin B and D complex. However, the effects of taurine alone are unclear.”

    Taurine · Natural Medicines adverse-effect record, reported in fever.

    2 sources cited
    1. 77245. Franconi, F., Bennardini, F., Mattana, A., Miceli, M., Ciuti, M., Mian, M., Gironi, A., Anichini, R., and Seghieri, G. Plasma and platelet taurine are reduced in subjects with insulin-dependent diabetes mellitus: effects of taurine supplementation. Am.J. DOI
    2. 77177. Livshits, Z., Hoffman, R. S., Hymes, K. B., and Nelson, L. S. If vitamins could kill: massive hemolysis following naturopathic vitamin infusion. J Med Toxicol. 2011;7(3):224-226. PubMed

    Penicillin V

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

  • Diarrhea Additional detail

    Taurine

    Recorded for Taurine in the same Natural Medicines adverse-effect record shown under An allergic reaction above.

    Penicillin V

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

Reported for Taurine but not commonly for Penicillin V: raised blood pressure, a heart attack, shortness of breath and kidney problems.

Effects for Penicillin V come from the ADVERSE REACTIONS section of its FDA label; effects for Taurine 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

Taurine in Pregnancy & Breastfeeding

Pregnancy And Lactation Likely Safe

When used in amounts found in foods. There is insufficient reliable information available about the safety of taurine when used in medicinal amounts during pregnancy and lactation; 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 Penicillin V

This page covers Taurine only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Penicillin V page lists 56 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Asarabacca (major), Siberian Cocklebur (major), Aristolochia (moderate) and Bacillus Coagulans (moderate).

By severity: 3 major · 42 moderate · 11 minor.

From our pharmacist’s overview on the Penicillin V page

“Penicillin V (Pen-Vee) is usually a short course for strep throat or a dental infection, but even a short course deserves genuine care here, because three of the 56 documented supplement interactions are rated major. Two involve herbs that can stress the kidneys, Siberian cocklebur and asarabacca, and the third is activated charcoal, w…”

Reviewed by 2 · Jul 18, 2026

Open the Penicillin V interaction page

One more smart check

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

We hold 6,304 real supplement products containing Taurine, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Taurine. Even though Taurine itself has no known interaction with Penicillin V, 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 Taurine and Penicillin V 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 Taurine
Top 5%

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

29 days ago today
Medication Penicillin V
Top 25%

#594 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 Taurine reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Taurine and Penicillin V records this page draws on were last updated July 10, 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 Taurine

What is Taurine?

  • Exercise performance and endurance
  • Heart health
  • Energy support
  • Eye and nerve health
  • Blood sugar support

Taurine is an amino acid your body makes naturally and that you also get from animal foods. It is widely used in energy drinks and sports supplements, and short-term use appears generally safe for most adults, though the evidence for many claimed benefits is mixed or limited. Talk with your pharmacist or doctor before taking it regularly, especially if you have a health condition or take medications.

Amino acid (made in the body; also found in meat, fish, and shellfish) · Capsules, tablets, powder, energy drinks, pre-workout blends

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

Taurine: dosing

There is no single official recommended dose of taurine, and a standardized dose has not been firmly established for most uses. Amounts used in studies have varied widely.If you choose to take taurine, follow the directions on the product label and do not exceed them.

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

Read the full Taurine monograph & all interactions
Keep checking

Other Drugs & Taurine

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

0Major
173Moderate
0Minor
2,656No known interaction
173 Moderate 2,656 No interaction
Moderate

173 interactions

Showing 60 of 173 moderate interactions — see all 173 on the Taurine page.

No interaction 2,656 drugs checked — show the list

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

Showing the 60 most looked-up of 2,656 medications checked with no known interaction — see the full Taurine list.

See the full Taurine interactions page
See every supplement checked against Penicillin V, ranked by severity
Evidence & sources

Taurine References

The 21 references that drive our Taurine 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. Ahmad S, Robertson HT, Golper TA, et al. Multicenter trial of L-carnitine in maintenance hemodialysis patients. II. Clinical and biochemical effects. Kidney Int 1990;38:912-8. PubMed
  2. Machado-Vieira R, Viale CI, Kapczinski F. Mania associated with an energy drink: the possible role of caffeine, taurine, and inositol. Can J Psychiatry 2001;46:454-5. PubMed
  3. Obermann M, Schorn CF, Mummel P, et al. Taurine induced toxic encephalopathy? Clin Neurol Neurosurg 2006;108:812-3. PubMed
  4. Bichler, A., Swenson, A., and Harris, M. A. A combination of caffeine and taurine has no effect on short term memory but induces changes in heart rate and mean arterial blood pressure. Amino Acids 2006;31(4):471-476. PubMed
  5. Iyadurai, S. J. and Chung, S. S. New-onset seizures in adults: possible association with consumption of popular energy drinks. Epilepsy Behav 2007;10(3):504-508. PubMed
  6. Berger, A. J. and Alford, K. Cardiac arrest in a young man following excess consumption of caffeinated "energy drinks". Med J Aust. 1-5-2009;190(1):41-43. PubMed
  7. Worthley, M. I., Prabhu, A., De, Sciscio P., Schultz, C., Sanders, P., and Willoughby, S. R. Detrimental effects of energy drink consumption on platelet and endothelial function. Am J Med 2010;123(2):184-187. PubMed
  8. Morchon, Simon D. and Perez Castrillon, J. L. [Hypoglycemia by intake of taurine]. Rev.Clin Esp. 2010;210(1):49.
  9. Livshits, Z., Hoffman, R. S., Hymes, K. B., and Nelson, L. S. If vitamins could kill: massive hemolysis following naturopathic vitamin infusion. J Med Toxicol. 2011;7(3):224-226. PubMed
  10. Schoffl, I., Kothmann, J. F., Schoffl, V., Rupprecht, H. D., and Rupprecht, T. "Vodka energy": too much for the adolescent nephron? Pediatrics 2011;128(1):e227-e231. PubMed
  11. Calabro, R. S., Italiano, D., Gervasi, G., and Bramanti, P. Single tonic-clonic seizure after energy drink abuse. Epilepsy Behav 2012;23(3):384-385. PubMed
  12. Fujita, T., Ando, K., Noda, H., Ito, Y., and Sato, Y. Effects of increased adrenomedullary activity and taurine in young patients with borderline hypertension. Circulation 1987;75(3):525-532. PubMed
  13. Darling, P. B., Lepage, G., Leroy, C., Masson, P., and Roy, C. C. Effect of taurine supplements on fat absorption in cystic fibrosis. Pediatr Res 1985;19(6):578-582. PubMed
  14. Fukuyama, Y. and Ochiai, Y. Therapeutic trial by taurine for intractable childhood epilepsies. Brain Dev. 1982;4(1):63-69. PubMed
  15. Franconi, F., Bennardini, F., Mattana, A., Miceli, M., Ciuti, M., Mian, M., Gironi, A., Anichini, R., and Seghieri, G. Plasma and platelet taurine are reduced in subjects with insulin-dependent diabetes mellitus: effects of taurine supplementation. Am.J. DOI

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 Taurine and Penicillin V Together: Common Questions

Is it safe to take Taurine with Penicillin V?
We do not list a known interaction between Taurine and Penicillin V. 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 Taurine and Penicillin V have any of the same side effects?
Yes — our sources link each of them separately to 4 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.
How was the Taurine and Penicillin V combination checked?
Interactions in our licensed database are recorded against drug classes. Penicillin V is filed under 4 classifications, and Taurine has documented interactions with 2 drug classes — none of Penicillin V'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 Taurine interact with any other medications?
Yes. Taurine has 173 documented drug interactions in our database — Penicillin V 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 Penicillin V interact with any supplements?
Yes. Penicillin V has documented interactions with 56 supplements in our database — Taurine is not one of them. The Penicillin V 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

Taurine monograph Uses, safety profile, and every drug interaction in one place Penicillin V supplement interactions Every supplement checked against Penicillin V, 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 21 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Penicillin V and Taurine?

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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.