Drug & supplement interaction

Pulsed Electromagnetic Field (pemf) Therapy + Niraparib Tosylate

Niraparib Tosylate brand name: Zejula.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Sep 20, 2026
The bottom line No known interaction

We found no known interaction between Pulsed Electromagnetic Field (pemf) Therapy and Niraparib Tosylate 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. Additionally, although there is no interaction, the two are separately associated with some of the same side effects, which would make a new symptom harder to attribute to one or the other.

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Interaction report

Pulsed Electromagnetic Field (pemf) Therapy and Niraparib Tosylate

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 Niraparib Tosylate and Pulsed Electromagnetic Field (pemf) Therapy in our sources. This does not guarantee that the combination is completely free of risk — research on Pulsed Electromagnetic Field (pemf) Therapy alongside specific medications may be limited.

Worth understanding: our licensed dataset holds no drug-interaction record for Pulsed Electromagnetic Field (pemf) Therapy at all — not against Niraparib Tosylate, 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.

Pulsed Electromagnetic Field (pemf) Therapy is a treatment rather than something you take. Tell whoever provides it which medicines you use, and ask your prescriber whether it is 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.

Pulsed Electromagnetic Field (pemf) Therapy safety at a glance

Pulsed Electromagn... overall Use caution Generally well tolerated for most people, but not appropriate for everyone, especially those with implanted electronic devices.
Pregnancy Avoid Safety during pregnancy has not been established, so it is best avoided unless directed by a doctor.
Breastfeeding Not established There is little research on PEMF use while breastfeeding, so caution is advised.

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

Still wondering about combining Niraparib Tosylate and Pulsed Electromagnetic Field (pemf) Therapy? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

No Interaction Found — But Data Suggests Pulsed Electromagnetic Field (pemf) Therapy and Niraparib Tosylate May Share a Side Effect

This is not an interaction. Neither one changes how your body handles the other, and nothing here says they react together. What our sources do show is that each has separately been linked to the effects below — so having Pulsed Electromagnetic Field (pemf) Therapy while taking the medicine can make those effects more likely to turn up, and harder to pin on one or the other if they do. One of them is worth acting on rather than waiting out — marked below.

  • Raised blood pressure Worth acting on reported in 5.9% of FDA reports for Niraparib Tosylate Additional detail

    Pulsed Electromagnetic Field (pemf) Therapy

    “In one study, two patients given PEMF treatment had orthostatic hypertension which resolved upon treatment discontinuation.”

    Pulsed Electromagnetic Field (pemf) Therapy · Natural Medicines adverse-effect record, reported in hypertension.

    1 source cited
    1. 109144. Sutbeyaz ST, Sezer N, Koseoglu F, Kibar S. Low-frequency pulsed electromagnetic field therapy in fibromyalgia: a randomized, double-blind, sham-controlled clinical study. Clin J Pain. 2009;25(8):722-8. PubMed

    Niraparib Tosylate

    Listed in the ADVERSE REACTIONS section of the FDA label for Niraparib Tosylate, and in voluntary FDA adverse-event reports. Read the label on DailyMed ›

Effects for Niraparib Tosylate come from the ADVERSE REACTIONS section of its FDA label; effects for Pulsed Electromagnetic Field (pemf) Therapy come from the Natural Medicines adverse-effect record, quoted above. Where a percentage is shown, it is the share of 51 voluntary FDA FAERS reports for Niraparib Tosylate that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Wording is matched across sources by our own clinical vocabulary, so treat this as a prompt to pay attention, not a diagnosis.

Overlapping uses

What Niraparib Tosylate Is Prescribed For, and What Pulsed Electromagnetic Field (pemf) Therapy Has Been Studied For

These two come up together because they touch the same health topic — not because they do the same job. Niraparib Tosylate is a prescription medicine with approved uses on its FDA label. Pulsed Electromagnetic Field (pemf) Therapy is a treatment: what follows is what researchers have looked at it for, and how strong that evidence is.

Niraparib Tosylate is prescribed for: Zejula is used as maintenance therapy — meaning it is taken after chemotherapy to help keep the cancer from coming back — for adults with advanced epithelial ovarian, fallopian tube, or primary peritoneal cancer. For first-line maintenance, Zejula is approved for patients whose cancer is HRD-positive (has certain DNA-repair defects, including BRCA mutations or genomic instability) and who have responded to their first round of platinum-based chemotherapy. Zejula is also approved for maintenance treatment in adults with recurrent ovarian, fallopian tube, or primary peritoneal cancer that carries a germline BRCA mutation (an inherited change in the BRCA gene), when the cancer has responded to platinum-based chemotherapy. In both cases, a companion diagnostic test is required to confirm eligibility before starting Zejula.

Pulsed Electromagnetic Field (pemf) Therapy has been studied for:

  • Cancer studied, not established Pulsed Electromagnetic Field (pemf) Therapy has been studied for this. Natural Medicines rates the evidence: Insufficient Reliable Evidence To Rate Read what the research shows

    Pulsed Electromagnetic Field (pemf) Therapy for cancer

    Although there is interest in using PEMF therapy for cancer, there is insufficient reliable information about the clinical effects of PEMF therapy 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 Niraparib Tosylate on your own; if you are taking Pulsed Electromagnetic Field (pemf) Therapy 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 Niraparib Tosylate

This page covers Pulsed Electromagnetic Field (pemf) Therapy only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Niraparib Tosylate page lists 54 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), St. John's Wort (major), Bitter Melon (moderate), Black Pepper (moderate) and Bulbine Natalensis (moderate).

By severity: 2 major · 35 moderate · 17 minor.

From our pharmacist’s overview on the Niraparib Tosylate page

“Activated charcoal, popular for bloating and so-called detox routines, can trap niraparib (Zejula) in the gut before it absorbs, and St. John's wort can drive levels of the drug down another way.”

Reviewed by 2 · Jul 18, 2026

Open the Niraparib Tosylate interaction page

How much people look this up

Where Pulsed Electromagnetic Field (pemf) Therapy and Niraparib Tosylate 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 Pulsed Electromagnetic Field (pemf) Therapy
Steady interest

#1,263 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Niraparib Tosylate
Steady interest

#1,979 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 Pulsed Electromagnetic Field (pemf) Therapy reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Pulsed Electromagnetic Field (pemf) Therapy and Niraparib Tosylate 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 .
Treatment approach

About Pulsed Electromagnetic Field (pemf) Therapy

What is Pulsed Electromagnetic Field (pemf) Therapy?

  • Bone healing (fractures and non-unions)
  • Osteoarthritis and joint pain
  • General pain and inflammation
  • Muscle recovery and stiffness
  • Wound healing
  • Sleep and relaxation

PEMF therapy uses pulsing electromagnetic fields from a device to try to ease pain and support tissue or bone healing. The strongest evidence is for certain bone-healing uses, where it is FDA-cleared; for most other claims the evidence is limited or mixed. It is generally well tolerated, but people with implanted electronic devices and those who are pregnant should avoid it unless a doctor approves.

Not applicable (a device-based therapy, not an herb or supplement) · Mats, pads, rings, handheld wands, and full-body devices that deliver electromagnetic pulses

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

Pulsed Electromagnetic Field (pemf) Therapy: dosing

There is no single standard dose for PEMF therapy. Settings such as frequency, intensity, session length, and how often to use the device vary widely between products and conditions.For medical-grade devices used for bone healing, the doctor or device maker provides a specific treatment schedule.

From our Pulsed Electromagnetic Field (pemf) Therapy monograph — the full record covers uses, side effects and every documented interaction.

Read the full Pulsed Electromagnetic Field (pemf) Therapy monograph & all interactions
Medication

About Niraparib

What Is Niraparib Used For?

Brand name: Zejula

Zejula is used as maintenance therapy — meaning it is taken after chemotherapy to help keep the cancer from coming back — for adults with advanced epithelial ovarian, fallopian tube, or primary peritoneal cancer. For first-line maintenance, Zejula is approved for patients whose cancer is HRD-positive (has certain DNA-repair defects, including BRCA mutations or genomic instability) and who have responded to their first round of platinum-based chemotherapy.

Zejula is also approved for maintenance treatment in adults with recurrent ovarian, fallopian tube, or primary peritoneal cancer that carries a germline BRCA mutation (an inherited change in the BRCA gene), when the cancer has responded to platinum-based chemotherapy. In both cases, a companion diagnostic test is required to confirm eligibility before starting Zejula.

Most-Reported Side Effects for Niraparib Tosylate

From FAERS, the FDA’s public side-effect reporting system (51 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Constipation 4 reports
Decreased appetite 4 reports
Fatigue 4 reports
Nausea 4 reports
Prostatic specific antigen increased 4 reports
See full Niraparib drug information
Keep checking

Other Drugs & Pulsed Electromagnetic Field (pemf) Therapy

Browse every other medication we’ve checked against Pulsed Electromagnetic Field (pemf) Therapy — 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 Pulsed Electromagnetic Field (pemf) Therapy 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 Pulsed Electromagnetic Field (pemf) Therapy list.

See the full Pulsed Electromagnetic Field (pemf) Therapy interactions page
See every supplement checked against Niraparib Tosylate, ranked by severity
Evidence & sources

Pulsed Electromagnetic Field (pemf) Therapy References

The 1 references that drive our Pulsed Electromagnetic Field (pemf) Therapy 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. Sutbeyaz ST, Sezer N, Koseoglu F, Kibar S. Low-frequency pulsed electromagnetic field therapy in fibromyalgia: a randomized, double-blind, sham-controlled clinical study. Clin J Pain. 2009;25(8):722-8. PubMed

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

Having Pulsed Electromagnetic Field (pemf) Therapy While Taking Niraparib Tosylate: Common Questions

Is it safe to have Pulsed Electromagnetic Field (pemf) Therapy while taking Niraparib Tosylate?
We do not list a known interaction between Pulsed Electromagnetic Field (pemf) Therapy and Niraparib Tosylate. 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.
Do Pulsed Electromagnetic Field (pemf) Therapy and Niraparib Tosylate have any of the same side effects?
Yes — our sources link each of them separately to one of the same effects. That is not an interaction: neither changes how your body handles the other. It does mean that if one of those effects turns up, it can be harder to tell which one is behind it. They are listed on this page with the source behind each.
Are Pulsed Electromagnetic Field (pemf) Therapy and Niraparib Tosylate 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 Pulsed Electromagnetic Field (pemf) Therapy in each. That is a conversation for your prescriber, especially if Niraparib Tosylate is being adjusted to a target.
Does Niraparib Tosylate interact with any supplements?
Yes. Niraparib Tosylate has documented interactions with 54 supplements in our database — Pulsed Electromagnetic Field (pemf) Therapy is not one of them. The Niraparib Tosylate 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

Pulsed Electromagnetic Field (pemf) Therapy monograph Uses, safety profile, and every drug interaction in one place Niraparib drug information The full plain-English guide to this medication Niraparib Tosylate supplement interactions Every supplement checked against Niraparib Tosylate, 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 1 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Niraparib Tosylate and Pulsed Electromagnetic Field (pemf) Therapy?

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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.