Herb & supplement monograph

Cucumber Drug Interactions, Uses, Effectiveness, Safety & More

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS ·Updated July 2026

What is this page for?

First and foremost: how Cucumber interacts with medications. The heart of this page is the interaction list — every drug Cucumber is known to interact with, and how serious each one is.

But these pages have grown well beyond that into a full monograph — what Cucumber is, what people use it for and how strong the evidence is, its safety and side effects, and answers to the questions we’re asked most — written and reviewed by the clinical staff at HelloPharmacist. It’s educational information from our licensed clinical databases, not medical advice, and we don’t sell or endorse products. Our editorial policy

Check Cucumber against your medication

Add one medication

✓ Supplement

Cucumber

1 Your medication

Start typing any prescription or over-the-counter drug name.

Reviewed by licensed pharmacists Sourced from Natural Medicines

On this page

Cucumber Drug Interactions: The Bottom Line

From the HelloPharmacist Editorial Team · Updated July 2026

Based on the available evidence, the overall risk of a clinically significant Cucumber drug interaction appears low for most people. No interaction is rated major, and the single concern in the data rests on animal research rather than studies in people.

Interactions deserving the most attention

The one area worth watching involves diabetes medications. In animal studies, cucumber seed extract lowered blood glucose, so in theory it could add to the effect of these drugs and nudge blood sugar lower than expected. Because blood sugar is a closely monitored measure, people taking insulin or other glucose-lowering medicines are the group for whom this theoretical effect would matter most. This has not been confirmed in human studies.

What the rest of the list means

Although the number of listed medications looks large, nearly all of them trace back to this one theoretical concern about blood sugar, applied across the many drugs used to treat diabetes. The prediction comes from animal research, and there is no human evidence yet that eating cucumber meaningfully changes how these medicines work. For everyone else, the data does not point to any documented problem.

Check your medications against Cucumber

Based on HelloPharmacist’s Cucumber interaction data and reviewed under our editorial standards.

Interaction report

Drugs that interact with Cucumber

86 medications have a known interaction with Cucumber, graded by severity. Select any drug for the full evidence-based detail.

Don’t want to scroll the list? Just ask.

Tell us the medications you take and we’ll check each one against Cucumber using our pharmacist-reviewed interaction data.

AI summaries are generated from our Cucumber interaction data for education only — always confirm with your pharmacist. How we use AI

2,830 drugs

Read The List Like a Pharmacist

What Severity, Likelihood & Evidence Mean

Severity — How Serious It Can Be

Major. Clinically significant; generally best avoided, or used only under direct professional supervision.
Moderate. May need monitoring, a dose adjustment, or separating the times you take each one.
Minor. Generally not clinically significant, but still worth noting and mentioning to your pharmacist.
No known interaction. Checked against our sources with nothing documented — not the same as proven safety.

Likelihood — How Well It’s Documented

Likely. Well-controlled human studies have demonstrated the likely existence of this interaction
Probable. Interaction has not been documented in well-controlled studies, however, the interaction has been demonstrated in some small human studies or in controlled animal studies in conjunction with multiple case reports.
Possible. Interaction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists
Unlikely. Interaction has been demonstrated in animal or in lab research but has been shown not to occur in humans.

Where This Data Comes From

Interaction records are evidence-graded and sourced from the Natural Medicines database (TRC Healthcare), the same reference used by pharmacists and hospitals.
Each drug listed above links to the full report for that exact Cucumber combination — clinical detail, likelihood, evidence level, and citations.
Content is reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

The big picture

The kinds of drugs Cucumber affects

Every type of medication (drug category) Cucumber is known to interact with. Open any category for the detail — or search your exact drug in the checker above.

All 1 drug category Cucumber interacts with

Antidiabetes Drugs

Theoretically, cucumber seed might have additive effects with antidiabetes drugs and may increase the risk of hypoglycemia.
Animal research shows that cucumber seed extract can decrease blood glucose levels. Monitor blood glucose levels closely.

Likelihood Possible Evidence D

Monograph

Cucumber: Uses, Safety & Side Effects

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Reviewed July 2026 ·

The bottom line

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.

Scientific name: Cucumis sativus
Family: Cucurbitaceae
Part used: Fruit, seeds, and seed extract
Common forms: Fresh fruit, juice, seed extract capsules, topical creams and slices, water infusions

People commonly use it for

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

Popular and traditional uses — not proof it works. See “Uses & effectiveness” below for the evidence.

Safety at a glance

OverallLikely safe

Cucumber is widely eaten as a food and is generally well tolerated by most people.

PregnancyInsufficient reliable information

There is insufficient reliable information available about the safety of cucumber in amounts greater than those found in foods; avoid using.

Read the full pregnancy detail

BreastfeedingInsufficient reliable information

There is insufficient reliable information available about the safety of cucumber in amounts greater than those found in foods; avoid using.

Read the full breastfeeding detail

Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center). Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Jump to a section

Overview

Cucumber (Cucumis sativus) is a creeping vine plant in the gourd family that produces the long, green, watery fruit most people know as a salad vegetable. It is grown around the world and has been cultivated for thousands of years.

Cucumbers are about 95% water, which is why people often link them to hydration and a "cooling" feeling. Beyond food, cucumber shows up in skincare products, eye treatments, infused waters, and as seed extracts in some supplements. Most everyday use is as a refreshing, low-calorie food.

How it works

Cucumber's high water content is the main reason it is linked to hydration and a cooling effect on the skin. It also contains fiber and plant compounds such as flavonoids, cucurbitacins, and small amounts of vitamins and minerals.

Laboratory and animal studies suggest some cucumber compounds may have antioxidant or anti-inflammatory activity, but these effects have not been clearly proven in people. Because the fruit is mostly water, the actual amounts of these active compounds in a typical serving are small.

Effectiveness

Does Cucumber work?

Here’s what the research actually shows for each use — graded by Natural Medicines and reviewed by Dr. Brian Staiger, PharmD.

Evidence overview · 6 uses evaluated

6 Insufficient evidence

How to read these evidence grades

Natural Medicines’ 7-point scale. We show each rating’s label word-for-word.

1EffectiveStrong, consistent evidence it works.

2Likely EffectiveGood evidence, though not yet conclusive.

3Possibly EffectiveSome evidence suggests a benefit.

4Possibly IneffectiveSome evidence it may not help.

5Likely IneffectiveFairly strong evidence it doesn’t help.

6IneffectiveStrong evidence it doesn’t work.

7Insufficient Reliable Evidence to RateToo little research to say either way.

For Cucumber, current evidence isn’t strong enough to rate any specific use. The conditions it has been studied for are listed below.

Also studied for 6 conditions — evidence insufficient to rate

Insufficient Reliable Evidence To Rate Burns