PEMF Side Effects: What to Expect and Who Should Skip It
Written by Wendy Graham, certified MagnaWave PEMF practitioner (not a physician or licensed clinician)
PEMF is gentle, but it isn't for everyone. Here's what people commonly notice, and who should skip it or check with a doctor first.
What are the side effects of PEMF? What people tell us about is usually mild and passes quickly: tingling, a bit of tiredness, or some temporary soreness. But PEMF isn't for everyone. Skip it if you have a pacemaker or other implanted electronic device, or if you're pregnant, and ask first if you have metal implants.
We'd rather be upfront about this than pretend PEMF has zero side effects. You deserve to know before you start.
What Do People Commonly Notice?
- Light tingling, tapping, pulsing or warmth during the session.
- Feeling a bit tired after the first few sessions.
- Some temporary soreness in the area you focused on.
- Occasionally, feeling a little lightheaded for a few minutes afterward.
If any of these bother you, tell us. We can change the settings or stop.
Are PEMF Side Effects Serious?
What we hear about is mild. On the research side, a 2026 review of eight trials of magnetic field therapies for orthopedic pain (Silva et al.) reported no serious side effects. Those trials were small, and the authors called for larger ones, so that's reassuring but not the final word.
How Long Do Side Effects Last?
Usually not long. What people mention tends to pass during the session or soon after. If something lingers into the next day, or worries you at any point, check with your doctor and let us know before your next session.
Who Should Avoid PEMF?
- Anyone with a pacemaker, defibrillator, insulin pump or other implanted electronic device.
- Anyone who is pregnant.
- Anyone with metal implants such as plates, screws or a joint replacement: ask us first.
- Anyone with a bleeding disorder: check with your doctor first.
- If you've had surgery recently, get clearance from your surgeon first and bring it to your first session.
Why Do Implants and Devices Matter?
PEMF creates a pulsing magnetic field, and we don't put that near an implanted electronic device like a pacemaker. With metal implants, we'd rather ask first and let your doctor or surgeon weigh in than guess. More in PEMF after surgery.
What Happens at Your First Session?
- Before you start, we ask about implants, devices, pregnancy, medications and recent surgery.
- You stay fully clothed and lie on a comfortable mat, or we place a MagnaWave applicator over the area you want to focus on.
- We start at a low intensity. Most people feel a light tapping or nothing at all.
- You tell us how it feels. If something doesn't feel right, we adjust or stop.
- The session runs about 20 to 30 minutes, and there's no downtime.
How Can You Keep Sessions Comfortable?
- Tell us everything at intake, even if it seems minor.
- Speak up during the session. You can ask us to lower the setting or stop at any time.
- If you felt tired after your first session, plan a quieter afternoon after the next one.
- Wear comfortable clothes without metal belt buckles or heavy jewelry.
Settings play a part in comfort too. We explain how we choose them in PEMF frequency settings.
Is It Worth Continuing?
Give it a few sessions and track how you feel afterward. As for benefits, most PEMF research is in knee osteoarthritis, where results are mixed and modest. So judge it for yourself. If you like how it feels, keep going. If you notice nothing, or it's uncomfortable, stop. That's a perfectly good outcome.
Our Approach
Our founder, Wendy Graham, is a certified MagnaWave PEMF practitioner, not a physician. If something doesn't feel right during a session, we stop. We'd rather be cautious than push through. PEMF is a wellness session, not medical care, so if you have a medical condition, loop in your doctor.
Have more questions about safety? Contact us or call (973) 908-1524. We won't pressure you into anything. Your first session is free. Ask us for current session and package pricing: (973) 908-1524. Learn more on our PEMF page.
Frequently Asked Questions
Is PEMF safe?
Most people notice only mild things, like tingling or a bit of tiredness. It isn't for anyone with a pacemaker or other implanted electronic device, or during pregnancy, and if you have metal implants, ask us first.
Can PEMF make you tired?
Some people feel a bit tired after their first few sessions. It usually passes. If it bothers you, tell us and we can change the settings.
Can I do PEMF with a pacemaker?
No. We don't offer PEMF to anyone with a pacemaker, defibrillator or other implanted electronic device.
What should I do if I feel off after a session?
Let us know. If it lingers into the next day or worries you, check with your doctor before your next session.
Sources
- Silva LD et al. Low- and high-intensity magnetic field therapies for orthopedic pain: a systematic review. Front Pain Res, 2026.
- Tong J et al. Pulsed electromagnetic fields for pain, stiffness and function in osteoarthritis: systematic review and meta-analysis. Pain Res Manag, 2022.
- Chen L et al. PEMF therapy for knee osteoarthritis: systematic review and meta-analysis of randomized controlled trials. J Rehabil Med, 2019.
- Chang YS et al. PEMF therapy in people with knee osteoarthritis: systematic review and meta-analysis. Medicina (Kaunas), 2026.
Want to try this yourself?
We're at 14 Ridgedale Ave, Suite 262 in Cedar Knolls, NJ. Give us a call or book online.