What to Expect During TMS Treatment: A Session-by-Session Walkthrough
If you’ve been considering Transcranial Magnetic Stimulation (TMS) for depression but keep putting off the first call, you’re not alone. For a lot of people, it’s not that they doubt whether it could help. It’s not knowing what actually happens once you walk through the door. What does the machine feel like? How long does it take? Do you just sit there?
This post walks through TMS treatment step by step, from your first consultation to your final session, so there’s nothing left to wonder about.
Before TMS Treatment Starts: The Consultation
Before any TMS session takes place, you’ll meet with a provider for a consultation to determine whether TMS is a good fit. This typically includes a review of your psychiatric history, prior treatments you’ve tried, and a discussion of your symptoms. TMS is generally considered for people with severe depression that hasn’t responded well to medication, so your provider will want a clear picture of what you’ve already tried.
If TMS is a good fit, your provider will map out a treatment plan, which usually means a series of sessions five days a week for several weeks.
Session One: Mapping and Calibration
Your very first session looks a little different from the rest, because it includes a step called “mapping.” A technician uses the TMS device to find the precise location on your scalp, usually over the left prefrontal cortex, that corresponds to the brain region being targeted for treatment.
During mapping, you’ll feel a series of pulses while the technician watches for a small, involuntary movement in your hand, which helps confirm they’ve found the right location and the right intensity (called the “motor threshold”) for your treatment. This part takes some trial and error, so the first session usually runs longer than the ones that follow. It often takes an hour or so.
Once mapping is complete, that location and intensity are recorded and used for the rest of your sessions, so this step generally doesn’t need to be repeated.
A Typical TMS Session, Once Treatment Begins
After the first session, most TMS visits follow a simple, predictable pattern:
Getting settled. You’ll sit in a comfortable, reclined chair, similar to what you’d find at a dentist’s office. The technician places the magnetic coil against your scalp at the location determined during mapping.
The pulses. Once the machine starts, you’ll feel a tapping or clicking sensation on your scalp, along with a clicking sound from the device. Many people describe it as a woodpecker-like tapping. It’s common to feel some scalp discomfort or mild tension-headache-like sensations, especially in the first week or two, though this typically decreases as sessions continue.
Staying present. You’re awake and alert the entire time. There’s no sedation involved. Many people use this time to read, watch something, listen to music or a podcast, or just relax.
Duration. Depending on the specific protocol used, sessions typically last about 20 minutes, though some accelerated protocols are shorter.
Wrapping up. When the session ends, there’s no recovery time needed. You can drive yourself home or back to work immediately afterward.
The Middle Stretch of TMS: What Changes Over Time
For most people, TMS doesn’t produce an immediate, dramatic shift after one session. It works cumulatively. Many people notice initial changes in mood, sleep, or energy a few weeks into treatment, though everyone’s timeline is different. Your provider will check in periodically throughout the course of treatment to track your symptoms and adjust the plan if needed.
It’s common for scalp sensitivity to be more noticeable in the first week and to become less bothersome as sessions continue and your scalp adjusts.
Finishing the TMS Course
A full course of TMS is typically several weeks of daily sessions, followed by a tapering schedule where sessions become less frequent toward the end. Your provider will discuss what maintenance, if any, might look like afterward based on how you responded to treatment.
Common Questions People Have Going In
Does it hurt? Most people describe it as more of an odd sensation than pain — tapping, tension, or mild discomfort, especially early on.
Will I be able to function normally that day? Yes. There’s no downtime, no anesthesia, and no restriction on driving or returning to normal activities immediately after a session.
What if I miss a day? Life happens. Your provider can help you adjust the schedule if a session needs to be rescheduled.
Is it covered by insurance? TMS is FDA-cleared for treatment-resistant depression, and many insurance plans cover it for people who meet certain criteria. Our team can help you understand what your specific plan covers.
Taking the Next Step
Not knowing what to expect is one of the biggest reasons people delay trying a treatment that could genuinely help. If depression hasn’t responded to the treatments you’ve already tried, TMS is worth a conversation.
Gladstone Psychiatry and Wellness offers TMS treatment across our Maryland locations. Contact us to schedule a consultation and find out if TMS is right for you.
