Herb & supplement monograph

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

But these pages have grown well beyond that into a full monograph — what Wild Cherry 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

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Reviewed by licensed pharmacists Sourced from Natural Medicines

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Wild Cherry 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 Wild Cherry drug interaction appears low for most people. Every interaction on record is rated moderate rather than major, and all of them trace back to a single lab-based finding that has never been confirmed in people.

Interactions deserving the most attention

The one concern worth knowing about involves medications cleared by a liver enzyme called CYP3A4. Lab research suggests wild cherry might slow this enzyme, which could in theory raise blood levels of drugs that depend on it, such as lovastatin, triazolam, and certain antifungal medicines like ketoconazole. This matters most for medicines where small level changes count, including some sedatives and cholesterol drugs. Even so, this effect has not been reported in any human so far.

What the rest of the list means

The long list of interacting medications looks alarming, but it exists only because so many common drugs happen to be processed by this one enzyme. The concern is entirely theoretical at this point, resting on lab research rather than anything observed in people taking wild cherry with their medications.

Check your medications against Wild Cherry

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

Interaction report

Drugs that interact with Wild Cherry

645 medications have a known interaction with Wild Cherry, 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 Wild Cherry using our pharmacist-reviewed interaction data.

AI summaries are generated from our Wild Cherry 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 Wild Cherry 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 Wild Cherry affects

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

All 1 drug category Wild Cherry interacts with

Cytochrome P450 3a4 (cyp3a4) Substrates

Cytochrome P450 3A4 (Cyp3A4) Substrates

In vitro research suggests that wild cherry can inhibit cytochrome P450 3A4 (CYP3A4) enzymes. Theoretically, wild cherry might increase levels of drugs metabolized by CYP3A4. However, so far, this interaction has not been reported in humans.
Some drugs metabolized by CYP3A4 include lovastatin (Mevacor), ketoconazole (Nizoral), itraconazole (Sporanox), fexofenadine (Allegra), triazolam (Halcion), and others.

Likelihood Possible Evidence D

Monograph

Wild Cherry: Uses, Safety & Side Effects

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

The bottom line

Wild cherry bark is a traditional cough remedy found in many old-fashioned cough syrups and lozenges, but there is little modern scientific evidence proving it works. The bark, leaves, and seeds naturally contain cyanide-producing compounds, so it should be used only in properly prepared products and avoided in large amounts. Talk with a pharmacist or doctor before using it, especially during pregnancy or for children.

Scientific name: Prunus serotina
Family: Rosaceae
Part used: Bark (inner and stem bark), and sometimes fruit and leaves
Common forms: Syrup, cough lozenges, tea, tincture, dried bark extract

People commonly use it for

Cough
Bronchitis and respiratory irritation
Sore throat
Digestive upset and diarrhea
Flavoring agent

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

Safety at a glance

OverallUse caution

Generally considered safe in small amounts in commercial cough products, but the plant contains cyanide-forming compounds and should not be used in large amounts.

PregnancyLikely Unsafe

When used orally because prunasin is potentially teratogenic.

Read the full pregnancy detail

BreastfeedingInsufficient reliable information

Insufficient reliable information available; 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.

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Overview

Wild cherry (often called black cherry) comes from a tree called Prunus serotina that grows widely across North America. The part most often used for medicine is the bark, though the fruit and leaves are also used at times.

For many years, wild cherry bark was a popular ingredient in homemade and store-bought cough syrups and lozenges. It has a strong cherry-like flavor and is still used today to flavor some foods, drinks, and medicines. People have traditionally taken it to soothe coughs, calm the throat, and ease minor digestive complaints.

How it works

Wild cherry bark contains natural compounds called cyanogenic glycosides (such as prunasin). When these break down in the body, they release small amounts of hydrogen cyanide. In tiny doses, this is thought to have a mild calming effect on the cough reflex, which is the traditional reason it was added to cough syrups.

The bark also contains tannins and other plant chemicals that may have a mild astringent (drying) effect, which is the proposed reason for its traditional use in diarrhea. These ideas are based largely on traditional use and basic laboratory understanding, not on strong human research. The same cyanide-forming compounds that may calm a cough are also what make large amounts of the plant potentially dangerous.

Effectiveness

Does Wild Cherry work?

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

Evidence overview · 7 uses evaluated

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

Also studied for 7 conditions — evidence insufficient to rate

Insufficient Reliable Evidence To Rate Bronchitis