Drug & supplement interaction

Capers + Oxytocin

Oxytocin brand name: Pitocin.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Sep 20, 2026
The bottom line No known interaction

We found no known interaction between Capers and Oxytocin 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

Capers and Oxytocin

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 Oxytocin and Capers 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.

Capers safety at a glance

Capers overall Use caution Generally safe as a food, but concentrated supplements are not well studied.
Pregnancy Use caution Food amounts are likely fine, but avoid medicinal or concentrated doses due to lack of safety data.
Breastfeeding Use caution Food amounts are likely fine, but concentrated supplements lack safety data, so caution is advised.

Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Still wondering about combining Oxytocin and Capers? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
Keep it in perspective

Capers Does Interact With Other Medications

Capers has 86 moderate known drug interactions in our database — Oxytocin isn’t one of them. If you take anything else, check it against the full list below.

Moderate 86 No known interaction 2,744 (incl. Oxytocin)
Taking anything else?

Check Another of Your Medications Against Capers

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

What to actually watch for

What Capers Itself Has Been Linked To

This is not an interaction — nothing below involves Oxytocin. It is the side-effect record for Capers on its own, from the licensed Natural Medicines monograph. If something new turns up after you add Capers, this list is the first place to look.

  • A skin rash Additional detail

    “Orally, capers seem to be well tolerated. No adverse effects have been reported in clinical research; however, a high-quality assessment of safety has not been conducted. Topically, capers can cause contact dermatitis.”

    Capers · Natural Medicines adverse-effect record, reported in dermatitis.

    2 sources cited
    1. 96124. Huseini HF, Hasani-Rnjbar S, Nayebi N, et al. Capparis spinosa L. (Caper) fruit extract in treatment of type 2 diabetic patients: a randomized double-blind placebo-controlled clinical trial. Complement Ther Med. 2013;21(5):447-52. PubMed
    2. 12742. Angelini G, Vena GA, Filotico R, et al. Allergic contact dermatitis from Capparis spinosa L. applied as wet compresses. Contact Dermatitis 1991;24:382-3.

    “Topically, capers can cause contact dermatitis.”

    Capers · Natural Medicines adverse-effect record, reported in dermatitis.

    1 source cited
    1. 12742. Angelini G, Vena GA, Filotico R, et al. Allergic contact dermatitis from Capparis spinosa L. applied as wet compresses. Contact Dermatitis 1991;24:382-3.

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

Overlapping uses

What Oxytocin Is Prescribed For, and What Capers Has Been Studied For

These two come up together because they touch the same health topic — not because they do the same job. Oxytocin is a prescription medicine with approved uses on its FDA label. Capers is a supplement: what follows is what researchers have looked at it for, and how strong that evidence is.

Oxytocin is prescribed for: Oxytocin Injection is used before delivery to start or strengthen uterine contractions when there is a medical reason to do so — such as Rh blood incompatibility, maternal diabetes, pre-eclampsia (high blood pressure in pregnancy), premature rupture of membranes, or when uterine contractions are too weak to progress. It is also used as part of managing an incomplete or inevitable abortion. After delivery, Oxytocin Injection is used to produce uterine contractions during the third stage of labor and to control postpartum bleeding or hemorrhage. It is not approved for elective (convenience) induction of labor — only for medically necessary induction.

Capers has been studied for:

  • Diabetes studied, not established Capers has been studied for this. Natural Medicines rates the evidence: Insufficient Reliable Evidence To Rate Read what the research shows

    Capers for diabetes

    Preliminary clinical research shows that taking caper fruit extract 400 mg three times daily for 2 months reduces fasting blood glucose by 20 mg/dL and improves glycated hemoglobin (HbA1c) by 0.4% when compared to baseline in patients with type 2 diabetes who are already taking antidiabetes drugs. These improvements were significant when compared with the placebo group.

    2 sources cited
    1. 96124. Huseini HF, Hasani-Rnjbar S, Nayebi N, et al. Capparis spinosa L. (Caper) fruit extract in treatment of type 2 diabetic patients: a randomized double-blind placebo-controlled clinical trial. Complement Ther Med. 2013;21(5):447-52. PubMed
    2. 101895. Vahid H, Bonakdaran S, Khorasani ZM, et al. Effect of Capparis spinosa extract on metabolic parameters in patients with type-2 diabetes: A randomized controlled trial. Endocr Metab Immune Disord Drug Targets. 2019;19(1):100-107. PubMed

Effectiveness ratings and the research summaries above are the verbatim record from the Natural Medicines database, which grades evidence from “Effective” down to “Insufficient Reliable Evidence To Rate”. A rating below the top of that scale means researchers have looked at it — not that it works, and never that it can stand in for a prescribed medicine. Do not stop or replace Oxytocin on your own; if you are taking Capers for the same health topic, tell your prescriber, especially if the medicine is being adjusted to a target.

One more smart check

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

We hold 53 real supplement products containing Capers, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Capers. Even though Capers itself has no known interaction with Oxytocin, 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 Capers and Oxytocin 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 Capers
Top half

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

29 days ago today
Medication Oxytocin
Steady interest

#2,709 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 Capers reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Capers and Oxytocin 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 Capers

What is Capers?

  • Digestive support
  • Antioxidant source
  • Blood sugar support
  • Anti-inflammatory
  • Skin and traditional tonic uses

Capers are the edible pickled flower buds of the Capparis spinosa shrub, used widely as food and in traditional medicine. They contain antioxidant plant compounds, but high-quality human studies on health benefits are limited, so the supplement claims remain largely unproven. As a food, capers are generally safe, but talk to your pharmacist or doctor before using concentrated extracts.

Capparis spinosa · Capparaceae · Flower buds, fruit, root bark, and leaves · Pickled or brined buds (food), capsules, extracts, dried powder

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

Capers: dosing

There is no established standard dose for capers as a supplement. As a food, people simply use them as a flavoring in small amounts.For capsules or extracts, follow the directions on the product label, since strengths vary widely between brands.

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

Read the full Capers monograph & all interactions
Medication

About Oxytocin Injection

What Is Oxytocin Injection Used For?

Brand name: Pitocin

Oxytocin Injection is used before delivery to start or strengthen uterine contractions when there is a medical reason to do so — such as Rh blood incompatibility, maternal diabetes, pre-eclampsia (high blood pressure in pregnancy), premature rupture of membranes, or when uterine contractions are too weak to progress. It is also used as part of managing an incomplete or inevitable abortion.

After delivery, Oxytocin Injection is used to produce uterine contractions during the third stage of labor and to control postpartum bleeding or hemorrhage. It is not approved for elective (convenience) induction of labor — only for medically necessary induction.

Most-Reported Side Effects for Oxytocin

From FAERS, the FDA’s public side-effect reporting system (2,982 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Foetal exposure during pregnancy 443 reports
Premature baby 206 reports
Hypotension 191 reports
Premature delivery 160 reports
Drug exposure during pregnancy 144 reports
See full Oxytocin Injection drug information
Keep checking

Other Drugs & Capers

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

0Major
86Moderate
0Minor
2,743No known interaction
86 Moderate 2,743 No interaction
Moderate

86 interactions

Showing 60 of 86 moderate interactions — see all 86 on the Capers page.

No interaction 2,743 drugs checked — show the list

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

Showing the 60 most looked-up of 2,743 medications checked with no known interaction — see the full Capers list.

See the full Capers interactions page
See every supplement checked against Oxytocin, ranked by severity
Evidence & sources

Capers References

The 3 references that drive our Capers 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. Angelini G, Vena GA, Filotico R, et al. Allergic contact dermatitis from Capparis spinosa L. applied as wet compresses. Contact Dermatitis 1991;24:382-3.
  2. Huseini HF, Hasani-Rnjbar S, Nayebi N, et al. Capparis spinosa L. (Caper) fruit extract in treatment of type 2 diabetic patients: a randomized double-blind placebo-controlled clinical trial. Complement Ther Med. 2013;21(5):447-52. PubMed
  3. Vahid H, Bonakdaran S, Khorasani ZM, et al. Effect of Capparis spinosa extract on metabolic parameters in patients with type-2 diabetes: A randomized controlled trial. Endocr Metab Immune Disord Drug Targets. 2019;19(1):100-107. 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 Capers and Oxytocin Together: Common Questions

Is it safe to take Capers with Oxytocin?
We do not list a known interaction between Capers and Oxytocin. 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.
Are Capers and Oxytocin used for the same thing?
They overlap in purpose, which usually means the real question is whether you need both rather than whether they are safe together. This page lists the shared uses and how strong the evidence is for Capers in each. That is a conversation for your prescriber, especially if Oxytocin is being adjusted to a target.
Does Capers interact with any other medications?
Yes. Capers has 86 documented drug interactions in our database — Oxytocin is simply not one of them. If you take anything else, it is worth checking each one; they are all listed on this page.

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

Where next

Keep Exploring

Capers monograph Uses, safety profile, and every drug interaction in one place Oxytocin Injection drug information The full plain-English guide to this medication Oxytocin supplement interactions Every supplement checked against Oxytocin, 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 3 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Oxytocin and Capers?

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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.