Drug & supplement interaction

Wild Carrot + Peginterferon alfa-2a, Ribavirin

Peginterferon alfa-2a, Ribavirin brand names: Pegasys, Pegetron.

No Known Interaction

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated October 2026 · Pair last verified Oct 4, 2026

The bottom line No known interaction

We found no known interaction between Wild Carrot and Peginterferon alfa-2a, Ribavirin 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

Wild Carrot and Peginterferon alfa-2a, Ribavirin

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 Peginterferon alfa-2a, Ribavirin and Wild Carrot 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.

Wild Carrot safety at a glance

Wild Carrot overall Use caution Generally used in folk medicine, but human safety data are limited and the seeds may carry more risk.

Pregnancy Likely Unsafe When used orally. The seeds, oil, and above ground parts can cause uterine stimulant, abortifacient, and menstrual stimulant effects. BREAST-FEEDING: Read the full pregnancy detail

Breastfeeding Avoid Not enough safety information is available, so it is best avoided 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 Peginterferon alfa-2a, Ribavirin and Wild Carrot? Ask Dr. Brian Staiger, PharmD, BCPS directly ›

How we checked

Why No Interaction Is Listed for Peginterferon alfa-2a, Ribavirin

Interactions in our licensed database are recorded against drug classes, not just single drug names. Peginterferon alfa-2a, Ribavirin is filed under a single classification — oral drugs. Wild Carrot has documented interactions with 4 drug classes — the most serious being antihypertensive drugs (moderate), estrogens (moderate) and lithium (moderate) — and none of Peginterferon alfa-2a, Ribavirin’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

Wild Carrot Does Interact With Other Medications

Wild Carrot has 475 moderate known drug interactions in our database — Peginterferon alfa-2a, Ribavirin isn’t one of them. If you take anything else, check it against the full list below.

Moderate 475 No known interaction 2,355 (incl. Peginterferon alfa-2a, Ribavirin)

Taking anything else?

Check Another of Your Medications Against Wild Carrot

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

What to actually watch for

What Wild Carrot Itself Has Been Linked To

This is not an interaction — nothing below involves Peginterferon alfa-2a, Ribavirin. It is the side-effect record for Wild Carrot on its own, from the licensed Natural Medicines monograph. If something new turns up after you add Wild Carrot, this list is the first place to look. One entry is worth acting on rather than waiting out — marked below.

An allergic reaction Worth acting on Additional detail
“Orally, excessive doses of wild carrot seed oil might cause renal irritation or neurological effects. Hypersensitivity reactions and increased sensitivity to UV light and sunburn might also occur (4,19).

Topically, contact with the plant can cause dermatitis (4).”

Wild Carrot · Natural Medicines adverse-effect record, reported in dermatitis.
2 sources cited

4. Newall CA, Anderson LA, Philpson JD. Herbal Medicine: A Guide for Healthcare Professionals. London, UK: The Pharmaceutical Press, 1996.

19. Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.
Sun sensitivity Additional detail

Recorded for Wild Carrot in the same Natural Medicines adverse-effect record shown under An allergic reaction above.
A skin rash Additional detail
“Topically, contact with the plant can cause dermatitis (4).”

Wild Carrot · Natural Medicines adverse-effect record, reported in dermatitis.
1 source cited

4. Newall CA, Anderson LA, Philpson JD. Herbal Medicine: A Guide for Healthcare Professionals. London, UK: The Pharmaceutical Press, 1996.

Everything above comes from the Natural Medicines adverse-effect record for Wild Carrot — expand a row for the licensed statement it rests on. We read the ADVERSE REACTIONS section of Peginterferon alfa-2a, Ribavirin’s FDA label too, and the two lists don’t meaningfully overlap — which is why no Peginterferon alfa-2a, Ribavirin column appears here.

Special populations

Wild Carrot in Pregnancy & Breastfeeding

Pregnancy Likely Unsafe

When used orally. The seeds, oil, and above ground parts can cause uterine stimulant, abortifacient, and menstrual stimulant effects. BREAST-FEEDING:

Pregnancy Possibly Unsafe

When the seed oil is used orally. Wild carrot seed oil has mild estrogenic activity and irritant effects. There is insufficient reliable information available about the safety of the oral use of the seeds or above ground parts during lactation.

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 Peginterferon alfa-2a, Ribavirin

This page covers Wild Carrot only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Peginterferon alfa-2a, Ribavirin page lists 17 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Coffee Charcoal (moderate), European Mandrake (moderate), Glucomannan (moderate) and Guar Gum (moderate).

By severity: 1 major · 7 moderate · 9 minor.

From our pharmacist’s overview on the Peginterferon alfa-2a, Ribavirin page

“Hepatitis C treatment with Pegasys or Pegetron (peginterferon alfa-2a plus ribavirin) is rough on the stomach, and the charcoal, fiber powders, and soothing gums people reach for are exactly what fills this list. All 17 entries work the same way, interfering with how the oral ribavirin half of the therapy gets absorbed.”

Reviewed by 2 · Jul 18, 2026

Open the Peginterferon alfa-2a, Ribavirin interaction page

One more smart check

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

We hold 7 real supplement products containing Wild Carrot, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Wild Carrot. Even though Wild Carrot itself has no known interaction with Peginterferon alfa-2a, Ribavirin, 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 Wild Carrot and Peginterferon alfa-2a, Ribavirin 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 Wild Carrot

Top half

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

29 days ago today

Medication Peginterferon alfa-2a, Ribavirin

Top 25%

#405 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 Wild Carrot reference on this page ↓
Freshness: we automatically re-check this combination every week — this pair was last verified October 4, 2026. The Wild Carrot and Peginterferon alfa-2a, Ribavirin records this page draws on were last updated October 6, 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 Wild Carrot

What is Wild Carrot?

Urinary and bladder complaints
Digestive upset and gas
Menstrual support
Supporting milk production
Mild diuretic (water pill) effect

Wild carrot is a traditional herb (the wild ancestor of the garden carrot) used mostly for urinary, digestive, and menstrual complaints. High-quality human studies are lacking, so its benefits are unproven, and it should be avoided in pregnancy because of traditional use to affect the uterus. Talk with your pharmacist or doctor before using it.

Daucus carota · Apiaceae · Seeds, root, leaves, and flowers; sometimes the essential oil · Tea, dried herb, tincture, capsules, seed extract, essential oil

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

Wild Carrot: dosing

There is no well-established, standardized dose for wild carrot. Traditional preparations vary widely, and the strength of teas, tinctures, capsules, and seed extracts is not consistent between products.If you choose to use a wild carrot product, follow the directions on the label and do not exceed the recommended amount. Because quality and potency can differ, choose products from reputable brands.

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

Read the full Wild Carrot monograph & all interactions

Medication

About Peginterferon Alfa-2a Injection

What Is Peginterferon Alfa-2a Injection Used For?

Brand names: Pegasys, Pegetron

Pegasys (peginterferon alfa-2a) treats two long-term liver infections: chronic hepatitis C and chronic hepatitis B. It is used only when the liver disease is still compensated (the liver is still working well enough to do its main jobs).

For hepatitis C, Pegasys is given with other hepatitis C antiviral drugs. On its own, it is meant only for people who cannot take or do not tolerate those other drugs. It is not recommended for people who have had a solid organ transplant.

See full Peginterferon Alfa-2a Injection drug information Peginterferon Alfa-2A NDC codes and packages

Keep checking

Other Drugs & Wild Carrot

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

0Major

475Moderate

0Minor

2,354No known interaction

475 Moderate 2,354 No interaction

Moderate

475 interactions

Showing 60 of 475 moderate interactions — see all 475 on the Wild Carrot page.

No interaction 2,354 drugs checked — show the list

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

Showing the 60 most looked-up of 2,354 medications checked with no known interaction — see the full Wild Carrot list.

See the full Wild Carrot interactions page

See every supplement checked against Peginterferon alfa-2a, Ribavirin, ranked by severity

Evidence & sources

Wild Carrot References

The 2 references that drive our Wild Carrot 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.

Newall CA, Anderson LA, Philpson JD. Herbal Medicine: A Guide for Healthcare Professionals. London, UK: The Pharmaceutical Press, 1996.
Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.

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 Wild Carrot and Peginterferon alfa-2a, Ribavirin Together: Common Questions

Is it safe to take Wild Carrot with Peginterferon alfa-2a, Ribavirin?

We do not list a known interaction between Wild Carrot and Peginterferon alfa-2a, Ribavirin. 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 Wild Carrot and Peginterferon alfa-2a, Ribavirin combination checked?

Interactions in our licensed database are recorded against drug classes. Peginterferon alfa-2a, Ribavirin is filed under 1 classification, and Wild Carrot has documented interactions with 4 drug classes — none of Peginterferon alfa-2a, Ribavirin'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 Wild Carrot interact with any other medications?

Yes. Wild Carrot has 475 documented drug interactions in our database — Peginterferon alfa-2a, Ribavirin 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 Peginterferon alfa-2a, Ribavirin interact with any supplements?

Yes. Peginterferon alfa-2a, Ribavirin has documented interactions with 17 supplements in our database — Wild Carrot is not one of them. The Peginterferon alfa-2a, Ribavirin 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

Wild Carrot monograph Uses, safety profile, and every drug interaction in one place Peginterferon Alfa-2a Injection drug information The full plain-English guide to this medication Peginterferon alfa-2a, Ribavirin supplement interactions Every supplement checked against Peginterferon alfa-2a, Ribavirin, 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 2 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Peginterferon alfa-2a, Ribavirin and Wild Carrot?

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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.