Drug & supplement interaction

Pulsed Electromagnetic Field (pemf) Therapy + Hydroxyurea

Hydroxyurea brand names: Droxia, Hydrea, Siklos, Xromi.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Pulsed Electromagnetic Field (pemf) Therapy and Hydroxyurea 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

Pulsed Electromagnetic Field (pemf) Therapy and Hydroxyurea

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 Hydroxyurea 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 Hydroxyurea, 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 Hydroxyurea and Pulsed Electromagnetic Field (pemf) Therapy? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Pulsed Electromagnetic Field (pemf) Therapy Itself Has Been Linked To

This is not an interaction — nothing below involves Hydroxyurea. It is the side-effect record for Pulsed Electromagnetic Field (pemf) Therapy on its own, from the licensed Natural Medicines monograph. If something new turns up after you add Pulsed Electromagnetic Field (pemf) Therapy, this list is the first place to look. One entry is worth acting on rather than waiting out — marked below.

  • Raised blood pressure Worth acting on Additional detail

    “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

Everything above comes from the Natural Medicines adverse-effect record for Pulsed Electromagnetic Field (pemf) Therapy — expand a row for the licensed statement it rests on. We read the ADVERSE REACTIONS section of Hydroxyurea’s FDA label too, and the two lists don’t meaningfully overlap — which is why no Hydroxyurea column appears here.

Overlapping uses

What Hydroxyurea 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. Hydroxyurea 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.

Hydroxyurea is prescribed for: Hydroxyurea is used for several serious conditions. Droxia, Siklos, and Xromi are each indicated to reduce the frequency of painful crises and reduce the need for blood transfusions in patients with sickle cell anemia who have recurrent moderate to severe painful crises. Siklos is approved for adults and children 2 years and older; Xromi is approved for children 6 months and older; Droxia is approved for adults. Hydrea capsules and Hydroxyurea capsules are indicated for resistant chronic myeloid leukemia and for locally advanced squamous cell carcinomas of the head and neck (excluding the lip) when used together with chemoradiation.

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 Hydroxyurea 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.

From our Q&A

Questions About Pulsed Electromagnetic Field (pemf) Therapy or Hydroxyurea

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Pulsed Electromagnetic Field (pemf) Therapy or Hydroxyurea, not necessarily both, but if one is close to what you were about to ask it will usually go further than a database entry can:

Not quite your question? Ask our pharmacists directly — it is free, there is no account required, and answers usually come back within 24 hours.

Everything else you take

See Every Supplement That Interacts With Hydroxyurea

This page covers Pulsed Electromagnetic Field (pemf) Therapy only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Hydroxyurea page lists 18 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 · 10 minor.

From our pharmacist’s overview on the Hydroxyurea page

“People take hydroxyurea (Droxia, Hydrea, Siklos, Xromi) for serious reasons, most often sickle cell disease or certain blood cancers, and it only works if a steady dose reaches the bloodstream. That is exactly what nearly all 18 supplements listed here can undermine, so this page earns real vigilance rather than a skim.”

Reviewed by 2 · Jul 18, 2026

Open the Hydroxyurea interaction page

How much people look this up

Where Pulsed Electromagnetic Field (pemf) Therapy and Hydroxyurea 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

#1,371 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Hydroxyurea
Top 5%

#39 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 13, 2026. The Pulsed Electromagnetic Field (pemf) Therapy and Hydroxyurea 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 Hydroxyurea

What Is Hydroxyurea Used For?

Brand names: Droxia, Hydrea, Siklos, Xromi

Hydroxyurea is used for several serious conditions. Droxia, Siklos, and Xromi are each indicated to reduce the frequency of painful crises and reduce the need for blood transfusions in patients with sickle cell anemia who have recurrent moderate to severe painful crises. Siklos is approved for adults and children 2 years and older; Xromi is approved for children 6 months and older; Droxia is approved for adults.

Hydrea capsules and Hydroxyurea capsules are indicated for resistant chronic myeloid leukemia and for locally advanced squamous cell carcinomas of the head and neck (excluding the lip) when used together with chemoradiation.

Most-Reported Side Effects for Hydroxyurea

From FAERS, the FDA’s public side-effect reporting system (21,027 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Fatigue 1,548 reports
Sickle cell anaemia with crisis 1,486 reports
Diarrhea 1,408 reports
Nausea 1,306 reports
Headache 1,068 reports
See full Hydroxyurea 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
No interaction 2,829 drugs checked — show the list
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 Hydroxyurea: Common Questions

Is it safe to have Pulsed Electromagnetic Field (pemf) Therapy while taking Hydroxyurea?
We do not list a known interaction between Pulsed Electromagnetic Field (pemf) Therapy and Hydroxyurea. 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 Pulsed Electromagnetic Field (pemf) Therapy and Hydroxyurea 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 Hydroxyurea is being adjusted to a target.
Does Hydroxyurea interact with any supplements?
Yes. Hydroxyurea has documented interactions with 18 supplements in our database — Pulsed Electromagnetic Field (pemf) Therapy is not one of them. The Hydroxyurea interaction page linked on this page lists every one, ranked by severity.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Still Have a Question About Hydroxyurea 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.