Drug & supplement interaction

Cucumber + Diphenhydramine, Zinc Oxide

Diphenhydramine, Zinc Oxide brand name: Caladryl Clear.

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 Cucumber and Diphenhydramine, Zinc Oxide 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

Cucumber and Diphenhydramine, Zinc Oxide

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 Diphenhydramine, Zinc Oxide and Cucumber 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.

Cucumber safety at a glance

Cucumber overall Generally safe Cucumber is widely eaten as a food and is generally well tolerated by most people.
Pregnancy Use caution Cucumber as a food is fine, but concentrated supplements or extracts have not been studied in pregnancy.
Breastfeeding Use caution Eating cucumber is considered fine; safety of concentrated extracts while breastfeeding is unknown.

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

Still wondering about combining Diphenhydramine, Zinc Oxide and Cucumber? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Diphenhydramine, Zinc Oxide

Interactions in our licensed database are recorded against drug classes, not just single drug names. Diphenhydramine, Zinc Oxide is filed under 2 classifications — cytochrome p450 2d6 (cyp2d6) inhibitors, topical drugs. Cucumber has documented interactions with 1 drug class — the most serious being antidiabetes drugs (moderate) — and none of Diphenhydramine, Zinc Oxide’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

Cucumber Does Interact With Other Medications

Cucumber has 86 moderate known drug interactions in our database — Diphenhydramine, Zinc Oxide 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. Diphenhydramine, Zinc Oxide)
Taking anything else?

Check Another of Your Medications Against Cucumber

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

What to actually watch for

What Cucumber Itself Has Been Linked To

This is not an interaction — nothing below involves Diphenhydramine, Zinc Oxide. It is the side-effect record for Cucumber on its own, from the licensed Natural Medicines monograph. If something new turns up after you add Cucumber, this list is the first place to look. 2 entries are worth acting on rather than waiting out — marked below.

  • Shortness of breath Worth acting on Additional detail

    “Orally, anaphylaxis with dizziness, vomiting, trouble breathing, and itching, occurring 5 minutes after eating a partially peeled cucumber, has been reported in a 76-year-old woman.

    Topically, allergic eczema related to exposure to cucumber leaves and stems has been reported in a greenhouse worker.”

    Cucumber · Natural Medicines adverse-effect record, reported in eczema.

    3 sources cited
    1. 103382. Fiume MM, Bergfeld WF, Belsito DV, et al. Safety assessment of Cucumis sativus (cucumber)-derived ingredients as used in cosmetics. Int J Toxicol. 2014;33(2 suppl):47S-64S.
    2. 103384. Vlaicu PC, Rusu LC, Ledesma A, et al. Cucumber anaphylaxis in a latex-sensitized patient. J Investig Allergol Clin Immunol. 2011;21(3):236-9.
    3. 103393. Zachariae CO. Cucumber contact dermatitis. Contact Dermatitis. 2000;43(4):240-1. DOI
  • A severe allergic reaction Worth acting on Additional detail

    “Orally, cucumber is well tolerated in food amounts. Cucumber extract and seed extract also seem to be well tolerated. Topically, the extract, fruit, fruit extract, fruit water, juice, seed extract, and seed oil of cucumber are well tolerated.

    Most Common Adverse Effects:

    Topically: Allergic eczema, erythema, irritation.

    Serious Adverse Effects (Rare):

    Orally: Anaphylaxis.”

    Cucumber · Natural Medicines adverse-effect record, reported in eczema.

  • Itching / Dizziness / Vomiting Additional detail

    Recorded for Cucumber in the same Natural Medicines adverse-effect record shown under Shortness of breath above.

Everything above comes from the Natural Medicines adverse-effect record for Cucumber — expand a row for the licensed statement it rests on. We haven’t matched Diphenhydramine, Zinc Oxide 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 Diphenhydramine, Zinc Oxide.

Everything else you take

See Every Supplement That Interacts With Diphenhydramine, Zinc Oxide

This page covers Cucumber only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Diphenhydramine, Zinc Oxide page lists 6 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Dimethylsulfoxide (dmso) (moderate), Fever Bark (moderate), Iboga (moderate), Turpentine Oil (moderate) and Yohimbe (moderate).

By severity: 5 moderate · 1 minor.

From our pharmacist’s overview on the Diphenhydramine, Zinc Oxide page

“Caladryl Clear, the diphenhydramine and zinc oxide lotion people dab on itchy bites and rashes, carries a short and manageable interaction list. None of its six flagged ingredients rates major; five are moderate and one minor.”

Reviewed by 2 · Jul 18, 2026

Open the Diphenhydramine, Zinc Oxide interaction page

One more smart check

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

We hold 1,026 real supplement products containing Cucumber, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Cucumber. Even though Cucumber itself has no known interaction with Diphenhydramine, Zinc Oxide, 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 Cucumber and Diphenhydramine, Zinc Oxide 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 Cucumber
Top 25%

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

29 days ago today
Medication Diphenhydramine, Zinc Oxide
Steady interest

#2,066 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 Cucumber reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Cucumber and Diphenhydramine, Zinc Oxide 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 Cucumber

What is Cucumber?

  • Hydration and skin care
  • Cooling and soothing puffy eyes
  • Mild diuretic effect
  • Antioxidant support
  • Digestive comfort

Cucumber is a common food vegetable that is mostly water and is generally safe to eat. As a supplement or skincare ingredient it is popular for hydration and soothing the skin, but solid human research showing health benefits beyond basic nutrition is limited.

Cucumis sativus · Cucurbitaceae · Fruit, seeds, and seed extract · Fresh fruit, juice, seed extract capsules, topical creams and slices, water infusions

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

Cucumber: dosing

There is no established or standardized supplement dose for cucumber. As a food, you can simply enjoy it in normal amounts as part of a balanced diet.If you choose a cucumber supplement, extract, or skincare product, follow the directions on the product label.

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

Read the full Cucumber monograph & all interactions
Keep checking

Other Drugs & Cucumber

Browse every other medication we’ve checked against Cucumber — 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 Cucumber page.

No interaction 2,743 drugs checked — show the list

We also checked Cucumber 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 Cucumber list.

See the full Cucumber interactions page
See every supplement checked against Diphenhydramine, Zinc Oxide, ranked by severity
Evidence & sources

Cucumber References

The 4 references that drive our Cucumber 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. Fiume MM, Bergfeld WF, Belsito DV, et al. Safety assessment of Cucumis sativus (cucumber)-derived ingredients as used in cosmetics. Int J Toxicol. 2014;33(2 suppl):47S-64S.
  2. Vlaicu PC, Rusu LC, Ledesma A, et al. Cucumber anaphylaxis in a latex-sensitized patient. J Investig Allergol Clin Immunol. 2011;21(3):236-9.
  3. Minaiyan M, Zolfaghari B, Kamal A. Effect of hydroalcoholic and buthanolic extract of Cucumis sativus seeds on blood glucose level of normal and streptozotocin-induced diabetic rats. Iran J Basic Med Sci. 2011;14(5):436-42.
  4. Zachariae CO. Cucumber contact dermatitis. Contact Dermatitis. 2000;43(4):240-1. 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 Cucumber and Diphenhydramine, Zinc Oxide Together: Common Questions

Is it safe to take Cucumber with Diphenhydramine, Zinc Oxide?
We do not list a known interaction between Cucumber and Diphenhydramine, Zinc Oxide. 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 Cucumber and Diphenhydramine, Zinc Oxide combination checked?
Interactions in our licensed database are recorded against drug classes. Diphenhydramine, Zinc Oxide is filed under 2 classifications, and Cucumber has documented interactions with 1 drug class — none of Diphenhydramine, Zinc Oxide'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 Cucumber interact with any other medications?
Yes. Cucumber has 86 documented drug interactions in our database — Diphenhydramine, Zinc Oxide 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 Diphenhydramine, Zinc Oxide interact with any supplements?
Yes. Diphenhydramine, Zinc Oxide has documented interactions with 6 supplements in our database — Cucumber is not one of them. The Diphenhydramine, Zinc Oxide 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

Cucumber monograph Uses, safety profile, and every drug interaction in one place Diphenhydramine, Zinc Oxide supplement interactions Every supplement checked against Diphenhydramine, Zinc Oxide, 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 4 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Diphenhydramine, Zinc Oxide and Cucumber?

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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.