In 40 seconds
Repetitive Transcranial Magnetic Stimulation (rTMS) — a high-intensity form of magnetic field therapy — has been FDA-cleared for treatment-resistant depression since 2008, with response rates around 50–60% in patients who haven't responded to medication. Low-intensity PEMF used in UK clinics is a different, gentler protocol and the evidence is mostly patient-reported, but many people find it supports sleep, anxiety, and mood as part of a wider mental-health plan. Always alongside therapy and prescribed medication, never instead of them.
Quick facts
- FDA-cleared (rTMS): Treatment-resistant depression since 2008
- Response rate (rTMS RCTs): 50–60% in medication-resistant patients
- PEMF clinic role: Sleep, anxiety, mood support — adjunct only
- Sessions: rTMS 5×/week × 4–6 weeks; PEMF 2×/week × 6 weeks
- Cost (UK): rTMS £200–£400 per session; PEMF £25–£75
- NHS-available: rTMS available in some NHS settings post-NICE 2015
rTMS vs PEMF — different intensity, different role
rTMS uses a high-intensity electromagnetic coil placed on a specific brain region (the dorsolateral prefrontal cortex) to induce neuronal activity. It's a NICE-approved, FDA-cleared treatment for moderate-to-severe depression that has not responded to at least two medications.
Low-intensity PEMF used in most UK wellness clinics works on the cellular level — reducing inflammation, supporting nervous system regulation, improving sleep — rather than directly stimulating brain regions. The two are related but distinct.
The evidence
rTMS: Multiple meta-analyses show ~50–60% response rate and ~30–35% remission rate in medication-resistant depression. NICE-approved on the NHS in some regions since 2015.
Low-intensity PEMF: Smaller evidence base for depression specifically. Patient reports and small studies support its use for mood, sleep, and anxiety as part of multimodal care.
How to use it
For severe / treatment-resistant depression: ask your GP or psychiatrist about rTMS — increasingly available privately and in some NHS regions.
For mild-to-moderate depression, anxiety, or low mood as part of a broader plan: low-intensity PEMF in a clinic setting may help support the work you're doing in therapy and on medication. Never substitute for either.
Contraindications
Standard PEMF contraindications: pacemakers, defibrillators, cochlear implants, insulin pumps, electronic implants; active malignancy without specialist clearance; pregnancy (over the abdomen); active infection; epilepsy without GP clearance.
Frequently asked questions
Is rTMS the same as PEMF?
Related but different. rTMS is high-intensity, brain-targeted, and FDA-cleared for depression. Low-intensity PEMF used in wellness clinics is gentler and works at the cellular level. Both involve magnetic fields.
Does rTMS actually work for depression?
Yes — multiple meta-analyses confirm ~50–60% response in patients with treatment-resistant depression. It is NICE-approved and FDA-cleared. It works best for patients who haven't responded to two or more antidepressants.
Is rTMS available on the NHS?
Available in some regions since the 2015 NICE approval. Wait times vary. Many patients access it privately at £200–£400 per session, typically 30 sessions.
Will PEMF replace my antidepressant?
No. Neither rTMS nor PEMF should replace prescribed medication without medical supervision. Both are typically adjuncts to existing treatment, not replacements.
What about side effects of rTMS?
Most commonly mild scalp discomfort or headache during treatment. Rare seizure risk (<0.1%). Standard PEMF in clinics has even fewer side effects.
Can I have PEMF if I'm on antidepressants?
Yes. PEMF doesn't interact with SSRIs, SNRIs, tricyclics, or other antidepressants.
Looking for a PEMF clinic near you?
We list every credible PEMF therapy provider in the UK so you can find one near home.