Drug & supplement interaction

Emotional Freedom Techniques + Leucovorin Calcium

Leucovorin Calcium brand name: Wellcovorin.

No Known Interaction

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated June 2026 · Pair last verified Sep 27, 2026

The bottom line No known interaction

We found no known interaction between Emotional Freedom Techniques and Leucovorin Calcium 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

Emotional Freedom Techniques and Leucovorin Calcium

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 Leucovorin Calcium and Emotional Freedom Techniques in our sources. This does not guarantee that the combination is completely free of risk — research on Emotional Freedom Techniques alongside specific medications may be limited.

Worth understanding: our licensed dataset holds no drug-interaction record for Emotional Freedom Techniques at all — not against Leucovorin Calcium, and not against any other medication we track. This verdict therefore rests on the absence of any recorded data, not on research that looked at this combination and found nothing. We cannot rule an interaction out.

Emotional Freedom Techniques is a practice rather than something you take. Ask your care team whether the type and intensity you plan to practice are appropriate for your health and treatment. 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.

Emotional Freedom Techniques safety at a glance

Emotional Freedom... overall Use caution Generally low-risk for most people, but it is not a substitute for professional mental health care.

Pregnancy Use caution No known physical harm, but emotional distress during sessions warrants professional guidance.

Breastfeeding Use caution No physical safety concerns, but use professional support for ongoing mental health needs.

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

Still wondering about combining Leucovorin Calcium and Emotional Freedom Techniques? Ask Dr. Brian Staiger, PharmD, BCPS directly ›

What to actually watch for

What Leucovorin Calcium’s Own FDA Label Lists

This is not an interaction — none of it involves Emotional Freedom Techniques. These are the most notable effects listed in the ADVERSE REACTIONS section of Leucovorin Calcium’s own FDA label, for the medication by itself. Knowing the drug’s own list makes it easier to work out the likely cause if something new turns up while you practice Emotional Freedom Techniques and take the medicine. 5 of them are worth acting on rather than waiting out — marked below.

A low white blood cell count Worth acting on mentioned in 5.8% of FDA reports for Leucovorin Calcium
A low platelet count Worth acting on
Kidney problems Worth acting on
Hives Worth acting on
A higher chance of infection Worth acting on
Mouth irritation or sores
Hair loss
Reduced appetite
Constipation
Diarrhea mentioned in 9.5% of FDA reports for Leucovorin Calcium

Showing the 10 most notable of 14 label-listed effects — ranked by how unusual each one is across medicines generally, with serious effects weighted up.

From the ADVERSE REACTIONS section of the FDA label for Leucovorin Calcium. Read the label on DailyMed › Where a percentage is shown, it is the share of 19,003 voluntary FDA FAERS reports for Leucovorin Calcium that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Emotional Freedom Techniques’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Emotional Freedom Techniques side to compare — that is a limit of the record, not a statement that Emotional Freedom Techniques has no side effects.

Overlapping uses

What Leucovorin Calcium Is Prescribed For, and What Emotional Freedom Techniques Has Been Studied For

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

Leucovorin Calcium is prescribed for: Leucovorin is used to reduce the harmful effects of methotrexate when the body is having trouble clearing it, and to counteract accidental overdoses of folic acid antagonists or dihydrofolate reductase (DHFR) inhibitors — drugs that block the body's ability to use folate. The oral tablet (Leucovorin Calcium) is approved for these uses in adults only. Vykoura injection is also approved to rescue adult and pediatric patients after high-dose methotrexate therapy. Leucovorin Calcium tablets are approved to treat cerebral folate transport deficiency (FOLR1-CFTD), a rare genetic condition that prevents the brain from getting enough folate, in adults and children.

Read the rest of what Leucovorin Calcium is prescribed for

Vykoura injection and leucovorin calcium injection are approved to treat megaloblastic anemia (low red blood cell counts caused by folate deficiency) when oral treatment isn't an option, and to be used alongside fluorouracil (5-FU) to treat metastatic colorectal cancer.

Emotional Freedom Techniques has been studied for:

Cancer studied, not established Emotional Freedom Techniques has been studied for this. Natural Medicines rates the evidence: Insufficient Reliable Evidence To Rate Read what the research shows

Emotional Freedom Techniques for cancer

Although there is interest in using EFT for cancer, there is insufficient reliable information about the clinical effects of EFT for this condition.

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 Leucovorin Calcium on your own; if you are taking Emotional Freedom Techniques for the same health topic, tell your prescriber, especially if the medicine is being adjusted to a target.

Everything else you take

See Every Supplement That Interacts With Leucovorin Calcium

This page covers Emotional Freedom Techniques only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Leucovorin Calcium page lists 17 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Coffee Charcoal (moderate), European Mandrake (moderate), Glucomannan (moderate) and Guar Gum (moderate).

By severity: 1 major · 7 moderate · 9 minor.

Open the Leucovorin Calcium interaction page

How much people look this up

Where Emotional Freedom Techniques and Leucovorin Calcium 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 Emotional Freedom Techniques

Steady interest

#1,331 of 1,452 supplements looked up here in the last 7 days

29 days ago today

Medication Leucovorin Calcium

Top half

#1,067 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. Emotional Freedom Techniques is not yet covered by that licensed database, so its write-up cites publicly available medical sources directly (see the references below).
Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Emotional Freedom Techniques reference on this page ↓
Freshness: we automatically re-check this combination every week — this pair was last verified September 27, 2026. The Emotional Freedom Techniques and Leucovorin Calcium records this page draws on were last updated June 20, 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 Dr. Brian Staiger, PharmD, BCPS.

Mind-body practice

About Emotional Freedom Techniques

What is Emotional Freedom Techniques?

Anxiety and stress
Depression symptoms
Post-traumatic stress (PTSD)
Phobias and fears
Cravings and weight management
Chronic pain

Emotional Freedom Techniques (EFT), often called 'tapping,' is a mind-body practice that combines tapping on acupressure points with focused statements about a problem. Early studies suggest it may help with anxiety, stress, and PTSD symptoms, but the research is still limited and many studies are small. It is generally low-risk, but it should not replace proven medical or mental health treatment.

Not applicable (a mind-body technique, not a plant or supplement) · Self-administered tapping sessions, guided sessions with a practitioner, apps, and online videos

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

Emotional Freedom Techniques: dosing

There is no standardized "dose" for EFT because it is a technique, not a product you take. Sessions usually involve tapping through a set sequence of points one or more times while focusing on a specific problem, often lasting several minutes.People may use it once during a stressful moment or practice it regularly. There is no proven "right" number of sessions.

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

Read the full Emotional Freedom Techniques monograph & all interactions

Medication

About Leucovorin

What Is Leucovorin Used For?

Brand name: Wellcovorin

Leucovorin is used to reduce the harmful effects of methotrexate when the body is having trouble clearing it, and to counteract accidental overdoses of folic acid antagonists or dihydrofolate reductase (DHFR) inhibitors — drugs that block the body's ability to use folate. The oral tablet (Leucovorin Calcium) is approved for these uses in adults only. Vykoura injection is also approved to rescue adult and pediatric patients after high-dose methotrexate therapy.

Leucovorin Calcium tablets are approved to treat cerebral folate transport deficiency (FOLR1-CFTD), a rare genetic condition that prevents the brain from getting enough folate, in adults and children. Vykoura injection and leucovorin calcium injection are approved to treat megaloblastic anemia (low red blood cell counts caused by folate deficiency) when oral treatment isn't an option, and to be used alongside fluorouracil (5-FU) to treat metastatic colorectal cancer.

Most-Reported Side Effects for Leucovorin Calcium

From FAERS, the FDA’s public side-effect reporting system (19,003 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Diarrhea 1,799 reports

Nausea 1,388 reports

Vomiting 1,135 reports

Neutropenia 1,094 reports

Fever 1,011 reports

See full Leucovorin drug information

Keep checking

Other Drugs & Emotional Freedom Techniques

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

0Major

0Moderate

0Minor

2,829No known interaction

2,829 No interaction

No interaction 2,829 drugs checked — show the list

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

Showing the 60 most looked-up of 2,829 medications checked with no known interaction — see the full Emotional Freedom Techniques list.

See the full Emotional Freedom Techniques interactions page

See every supplement checked against Leucovorin Calcium, ranked by severity

Evidence & sources

Emotional Freedom Techniques References

The 3 sources that drive our Emotional Freedom Techniques monograph — publicly available pages from reputable medical and government organizations. Every link was verified to work before publishing. Emotional Freedom Techniques is not covered by the licensed Natural Medicines interaction database, so its page cites these public sources directly.

Acupuncture: What You Need To Know — NIH NCCIH Source
Complementary, Alternative, or Integrative Health: What's In a Name? — NIH NCCIH Source
Anxiety — MedlinePlus Source

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

Practicing Emotional Freedom Techniques While Taking Leucovorin Calcium: Common Questions

Is it safe to practice Emotional Freedom Techniques while taking Leucovorin Calcium?

We do not list a known interaction between Emotional Freedom Techniques and Leucovorin Calcium. 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 Emotional Freedom Techniques and Leucovorin Calcium 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 Emotional Freedom Techniques in each. That is a conversation for your prescriber, especially if Leucovorin Calcium is being adjusted to a target.

Does Leucovorin Calcium interact with any supplements?

Yes. Leucovorin Calcium has documented interactions with 17 supplements in our database — Emotional Freedom Techniques is not one of them. The Leucovorin Calcium 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

Emotional Freedom Techniques monograph Uses, safety profile, and every drug interaction in one place Leucovorin drug information The full plain-English guide to this medication Leucovorin Calcium supplement interactions Every supplement checked against Leucovorin Calcium, 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 Leucovorin Calcium and Emotional Freedom Techniques?

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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.