Herb & supplement monograph
Bach Flower Remedies Drug Interactions, Uses, Effectiveness, Safety & More
What is this page for?
First and foremost: how Bach Flower Remedies interacts with medications. The heart of this page is the interaction list — every drug Bach Flower Remedies is known to interact with, and how serious each one is.
But these pages have grown well beyond that into a full monograph — what Bach Flower Remedies 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 Bach Flower Remedies against your medication
Add one medication
Reviewed by licensed pharmacists
Sourced from Natural Medicines
On this page
Interaction report
Drugs that interact with Bach Flower Remedies
4 medications have a known interaction with Bach Flower Remedies, graded by severity. Select any drug for the full evidence-based detail.
1 major interaction. These combinations can be clinically significant — best avoided, or used only with close professional supervision. Always check with your pharmacist before combining them with Bach Flower Remedies.
Don’t want to scroll the list? Just ask.
Tell us the medications you take and we’ll check each one against Bach Flower Remedies using our pharmacist-reviewed interaction data.
AI summaries are generated from our Bach Flower Remedies interaction data for education only — always confirm with your pharmacist. How we use AI
2,830 drugs
No drugs match “”.
DisulfiramAntabuse
Major
Disulfiram (antabuse)
Bach flower remedies can cause a disulfiram-like reaction when taken with disulfiram.
Read the full Bach Flower Remedies + Disulfiram interaction Disulfiram drug page: uses, dosage & side effectsBismuth Subsalicylate, Metronidazole, TetracyclineHelidac
Moderate
Metronidazole (flagyl)
Bach flower remedies might cause a disulfiram-like reaction when taken with metronidazole.
Read the full Bach Flower Remedies + Bismuth Subsalicylate, Metronidazole, Tetracycline interaction Bismuth Subsalicylate, Metronidazole, Tetracycline drug page: uses, dosage & side effectsMetronidazoleAnabact, Flagyl, Flagyl IV, Flagyl IV RTU, Likmez, Metro IV +12 more
Moderate
Metronidazole (flagyl)
Bach flower remedies might cause a disulfiram-like reaction when taken with metronidazole.
Read the full Bach Flower Remedies + Metronidazole interaction Metronidazole drug page: uses, dosage & side effectsMetronidazole, Tetracyline, Bismuth Subcitrate PotassiumPylera
Moderate
Metronidazole (flagyl)
Bach flower remedies might cause a disulfiram-like reaction when taken with metronidazole.
Read the full Bach Flower Remedies + Metronidazole, Tetracyline, Bismuth Subcitrate Potassium interaction Metronidazole, Tetracyline, Bismuth Subcitrate Potassium drug page: uses, dosage & side effects
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 Bach Flower Remedies 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 Bach Flower Remedies affects
Every type of medication (drug category) Bach Flower Remedies is known to interact with. Open any category for the detail — or search your exact drug in the checker above.
All 2 drug categories Bach Flower Remedies interacts with
Disulfiram (antabuse)Metronidazole (flagyl)
Disulfiram (Antabuse)
Bach flower remedies can cause a disulfiram-like reaction when taken with disulfiram.
Bach flower remedies are preserved in brandy and contain alcohol. The alcohol content of Bach flower remedies can cause a disulfiram reaction when taken within 12 hours of disulfiram.
Metronidazole (Flagyl)
Bach flower remedies might cause a disulfiram-like reaction when taken with metronidazole.
Bach flower remedies are preserved in brandy and contain alcohol. Metronidazole might cause a disulfiram-like reaction when taken with alcohol.
Monograph
Bach Flower Remedies: Uses, Safety & Side Effects
The bottom line
Bach Flower Remedies are extremely diluted flower preparations promoted to support emotional well-being rather than treat physical illness. High-quality research has not shown they work better than a placebo, but they are generally considered low-risk. The main concern is their alcohol (brandy) content, especially for children, people avoiding alcohol, and during pregnancy or breastfeeding.
- Part used
- Flowers and plant material from various wildflower species
- Common forms
- Liquid drops, sprays, and the well-known 'Rescue Remedy' blend
People commonly use it for
- Stress and anxiety
- Emotional balance
- Fear and worry
- Low mood
- Sleep difficulties
- Coping during stressful events
Popular and traditional uses — not proof it works. See “Uses & effectiveness” below for the evidence.
OverallUse caution
Generally low-risk because they are highly diluted, but most products contain alcohol.
PregnancyLikely Unsafe
When used orally. These preparations contain alcohol, which is teratogenic and dangerous for fetal development. Alcohol is also secreted into breast m...
Read the full pregnancy detailBreastfeedingLikely Unsafe
When used orally. These preparations contain alcohol, which is teratogenic and dangerous for fetal development. Alcohol is also secreted into breast m...
Read the full breastfeeding detailPregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center). Safety guidance is general; always confirm with your pharmacist or doctor for your situation.
Overview
Bach Flower Remedies (the name is pronounced "Batch") are highly diluted liquid preparations made from various wildflowers. They were developed in the 1930s by Edward Bach, a British physician. There are 38 individual remedies, plus a popular combination blend often sold as "Rescue Remedy."
These products are mainly promoted to support emotional and mental states — such as feeling anxious, fearful, or low — rather than to treat physical diseases. Each remedy is linked to a specific mood or feeling.
The remedies are made by placing flowers in water and exposing them to sunlight, or by boiling plant material in water, to create a "mother tincture." This is then heavily diluted, and brandy is usually added as a preservative. Because of the extreme dilution, they contain little or no measurable plant material.
How it works
Supporters believe each flower carries a unique "energy" or "vibration" that can rebalance negative emotions, even though the liquid contains almost no actual plant substance. This idea is not based on accepted chemistry or biology.
Because the remedies are so diluted, they are not expected to have any real pharmacological (drug-like) action. There are no meaningful active compounds left in the finished product. Any sense of benefit is most likely due to the placebo effect and the comfort of taking part in a soothing routine.
Effectiveness
Does Bach Flower Remedies work?
Evidence overview · 9 uses evaluated
1 Leans ineffective
8 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.
Possibly Ineffective Anxiety
Rating & evidence shown verbatim from Natural Medicines
While some conflicting research exists, most clinical studies suggest that Bach flower remedies do not improve anxiety.
Also studied for 8 conditions — evidence insufficient to rate
Insufficient Reliable Evidence To Rate Asthma
Rating & evidence shown verbatim from Natural Medicines
Although there has been interest in using oral Bach flower remedies for asthma, there is insufficient reliable information about the clinical effects of Bach flower remedies for this purpose.
Insufficient Reliable Evidence To Rate Attention deficit-hyperactivity disorder (ADHD)
Rating & evidence shown verbatim from Natural Medicines
It is unclear if oral Bach flower remedies are beneficial in children with ADHD.
Insufficient Reliable Evidence To Rate Carpal tunnel syndrome
Rating & evidence shown verbatim from Natural Medicines
It is unclear if oral Bach flower remedies are beneficial in patients with carpal tunnel syndrome.
Insufficient Reliable Evidence To Rate Depression
Rating & evidence shown verbatim from Natural Medicines
Although there has been interest in using oral Bach flower remedies for depression, there is insufficient reliable information about the clinical effects of Bach flower remedies for this purpose.
Insufficient Reliable Evidence To Rate Irritable bowel syndrome (IBS)
Rating & evidence shown verbatim from Natural Medicines
Although there has been interest in using oral Bach flower remedies for IBS, there is insufficient reliable information about the clinical effects of Bach flower remedies for this purpose.
Insufficient Reliable Evidence To Rate Menopausal symptoms
Rating & evidence shown verbatim from Natural Medicines
Although there has been interest in using oral Bach flower remedies for menopausal symptoms, there is insufficient reliable information about the clinical effects of Bach flower remedies for this purpose.
Insufficient Reliable Evidence To Rate Obesity
Rating & evidence shown verbatim from Natural Medicines
It is unclear if oral Bach flower remedies are beneficial in patients with obesity.
Insufficient Reliable Evidence To Rate Pain (chronic)
Rating & evidence shown verbatim from Natural Medicines
It is unclear if oral Bach flower remedies are beneficial in patients with chronic pain.
Source & disclaimer. Effectiveness ratings and evidence summaries are provided by Natural Medicines (Therapeutic Research Center) and shown as licensed. Where Natural Medicines hasn’t rated a use, HelloPharmacist’s pharmacists may add their own reviewed rating and evidence (each such entry is labeled). This is educational information, not medical advice — talk with your pharmacist or doctor before starting, stopping, or changing a supplement.
Safety & precautions
Because they are extremely diluted, Bach Flower Remedies are generally considered low-risk and unlikely to cause harm from the plant material itself. The main safety concern is the alcohol (brandy) used as a preservative.
People who should be cautious or choose alcohol-free versions include young children, people recovering from alcohol use disorder, those with liver disease, and anyone who avoids alcohol for religious or personal reasons.
For pregnancy and breastfeeding, the safest approach is to avoid alcohol-containing products. Alcohol-free versions may be available, but it is wise to check with your doctor or pharmacist first. Never use these remedies as a substitute for proper care of anxiety, depression, or any medical or mental health condition — talk to a healthcare professional if you are struggling.
Side effects
Side effects are uncommon because of the extreme dilution. Most reported problems relate to the alcohol content, especially if large amounts are taken, which is generally not recommended.
Rarely, some people may have an allergic reaction or mild irritation. If you notice rash, swelling, trouble breathing, or any unexpected symptom, stop using the product and seek medical care. Putting the drops or spray near the eyes can cause stinging, so follow label directions.
Dosing
There is no scientifically established or standardized dose for Bach Flower Remedies. Products vary, so the best guidance is to follow the directions on the label, which often suggest a few drops in water or directly under the tongue, or a couple of sprays.
If you are unsure how to use a product, or whether it is appropriate for you, ask a pharmacist or doctor. Avoid taking large amounts, mainly to limit alcohol intake.
Pregnancy & Breastfeeding
Bach Flower Remedies & Pregnancy
Bach Flower Remedies & Breastfeeding
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
© 2026 Therapeutic Research Center
Pregnancy & lactation ratings: Natural Medicines, Therapeutic Research Center
References & further reading
The 3 references that drive our Bach Flower Remedies 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.
- Fraser AG. Pharmacokinetic interactions between alcohol and other drugs. Clin Pharmacokinet 1997;33:79-90. PubMed
- Dufour MC. If you drink alcoholic beverages do so in moderation: what does this mean? J Nutr 2001;131:552S-61S. PubMed
- Mennella J. Alcohol's effect on lactation. Alcohol Res Health 2001;25:230-4.
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.
Parts of this content are provided by the Therapeutic Research Center, LLC.
DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.
© 2021 Therapeutic Research Center, LLC
Pharmacist Counseling Corner
Bach Flower Remedies: Common Questions
What is Bach Flower Remedies used for, and does it work?
People use Bach Flower Remedies for a range of reasons, but according to the Natural Medicines database the current clinical evidence is insufficient to confirm it works for the specific conditions it has been studied for. See the graded list on this page, and talk to your pharmacist or doctor before relying on it for any condition.
Does Bach Flower Remedies interact with prescription medications?
Yes. We list 4 medications with a known interaction with Bach Flower Remedies, including 1 rated major. Use the checker above to see how Bach Flower Remedies interacts with a specific drug.
How are Bach Flower Remedies interactions rated?
Each interaction is graded major, moderate, or minor based on how clinically significant it is and the strength of the evidence behind it. Major interactions are the most serious and are best avoided, or used only under close professional supervision.
Is it safe to take Bach Flower Remedies with my medications?
It depends on the specific medication. Some combinations are fine, while others call for monitoring, timing changes, or should be avoided. Check your exact drug above and confirm with your pharmacist or doctor before starting, stopping, or changing anything.
Where does this Bach Flower Remedies interaction information come from?
Our interaction data is built on the Natural Medicines database — an evidence-graded reference for vitamins, herbs, and supplements — and is reviewed by licensed HelloPharmacist pharmacists, who may add clinical context.
What are Bach Flower Remedies used for?
They are mainly used to support emotional states like stress, anxiety, fear, and low mood, rather than to treat physical illnesses. However, good-quality research has not shown they work better than a placebo.
Are Bach Flower Remedies the same as homeopathy?
They are similar in that both are highly diluted, but they follow different principles. Like homeopathic products, Bach remedies contain little or no measurable active ingredient.
Are Bach Flower Remedies safe?
They are generally low-risk because of how diluted they are, but most contain alcohol (brandy) as a preservative. Use caution with children, during pregnancy or breastfeeding, and if you avoid alcohol.
Can Bach Flower Remedies replace my anxiety or depression treatment?
No. They should not replace proven treatments or professional care. If you are dealing with anxiety, depression, or other mental health concerns, talk to a doctor or pharmacist.
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Where next
Supplement interaction checkerCheck any supplement or product against your medications
Drug–drug interactionsCheck two or more of your medications against each other
Browse medications A–ZEvery drug we’ve checked against herbs & supplements
NDC & pricing lookupFind a drug’s NDCs, packaging and costs
Ask a pharmacistFree, personal answer from our licensed team
Have a question about Bach Flower Remedies?
Our pharmacists answer your medication & supplement questions — free.