Question 1

What is TMS?

Accepted Answer

Transcranial Magnetic Stimulation is a non-invasive therapy mainly used for major depressive disorder, especially when two or more antidepressants have not worked. It uses targeted magnetic pulses, similar in strength to those in MRI machines, to stimulate parts of the brain involved in mood regulation that may be less active. The treatment does not need anesthesia or sedation, and there is no recovery time. Sessions usually last between 3 and 19 minutes, depending on the protocol, and patients can drive themselves home and return to normal activities right after. Find a TMS clinic near you

Question 2

Is TMS FDA-cleared?

Accepted Answer

Yes. The FDA first cleared TMS for major depressive disorder in 2008. Since then, Deep TMS was cleared in 2013, the 3-minute intermittent theta-burst stimulation (iTBS) protocol in 2018, the accelerated Stanford Neuromodulation Therapy (SNT) protocol in 2022, and use for adolescent depression in people aged 15 and older in 2024. TMS is also FDA-cleared for obsessive-compulsive disorder (OCD), anxious depression, and to help people quit smoking. The American Psychiatric Association recognizes TMS as a standard treatment for people with treatment-resistant depression.

Question 3

How does TMS work?

Accepted Answer

Depression is connected to lower activity in the left dorsolateral prefrontal cortex, a part of the brain that helps control mood and emotions. TMS sends focused magnetic pulses through the scalp to this area, creating small electrical currents that activate brain cells. With repeated sessions, these pulses help strengthen brain connections and support healthier brain activity. Most patients have 36 sessions over six to nine weeks. Studies show about 60% of patients respond to treatment, and 30% to 40% reach remission.

Question 4

What does a TMS session feel like?

Accepted Answer

During a TMS session, you sit in a reclining chair while a technician places a magnetic coil against your scalp. The machine sends pulses that feel like tapping on the side of your head and makes a clicking sound. The procedure is not painful, but some people feel mild scalp discomfort or a dull headache during the first week. This usually goes away as you get used to the sessions. You stay fully awake, can talk with the technician, and many patients read, watch shows, or listen to music during treatment.

Question 5

Who invented TMS?

Accepted Answer

Modern TMS was developed in 1985 by Dr. Anthony Barker and his team at the University of Sheffield. Their device was the first to safely and reliably activate the human motor cortex from outside the body. Earlier experiments with magnetic brain stimulation go back to the 1890s, but Barker's design made clinical use possible. In the 1990s and early 2000s, researchers like Dr. Mark George at the Medical University of South Carolina did studies that helped establish TMS as a treatment for depression, leading to FDA clearance in 2008.

Question 6

What is the difference between TMS and rTMS?

Accepted Answer

The terms TMS and rTMS are often used to mean the same thing in clinics. TMS is the basic technology of magnetic brain stimulation. rTMS, or repetitive Transcranial Magnetic Stimulation, is the treatment protocol where pulses are given in quick, repeated patterns to create lasting changes in brain activity. When clinics talk about TMS therapy, they almost always mean rTMS.

Question 7

How long is a TMS session?

Accepted Answer

Standard TMS sessions last 37 to 40 minutes. Newer FDA-cleared protocols like intermittent theta-burst stimulation (iTBS) can deliver effective treatment in just 3 minutes. Your doctor will recommend the best protocol for your specific needs based on your diagnosis, insurance coverage, and treatment goals. In all cases, sessions are brief enough to easily fit into a normal daily schedule, and most patients schedule them around work or family commitments. Find a TMS clinic near you

Question 8

How many TMS sessions do I need?

Accepted Answer

A standard course of TMS therapy involves 36 sessions, typically scheduled five days a week over six to nine weeks. The exact number can vary slightly depending on how you respond to treatment and the specific protocol being used. Some accelerated protocols, such as Stanford Neuromodulation Therapy (SNT), involve multiple sessions per day over a much shorter timeframe (often just five days), but the standard approach remains a daily commitment for about two months. Your provider may also recommend tapering sessions in the final weeks to consolidate results.

Question 9

Does TMS hurt?

Accepted Answer

TMS is generally well-tolerated and is not considered painful. During treatment, you will feel a tapping or clicking sensation on your scalp where the magnetic coil is placed, similar to a woodpecker tapping. Some patients experience mild scalp discomfort or a mild headache during or immediately after the first few sessions. This typically resolves as your body adjusts to the treatment, usually within the first week. Over-the-counter pain relievers like ibuprofen are usually sufficient to manage any mild discomfort. If you experience persistent discomfort, your provider can adjust the coil placement or stimulation intensity.

Question 10

What are the side effects of TMS?

Accepted Answer

The most common side effects of TMS are mild and temporary: scalp discomfort at the treatment site, mild headache, lightheadedness, and facial muscle twitching during the session. These typically resolve within the first one to two weeks of treatment. Serious side effects are extremely rare. The risk of seizure, the most significant safety concern, is approximately 1 in 30,000 sessions according to published clinical data. Patients with a history of seizures, certain neurological conditions, or metallic implants near the head are typically screened out before treatment to minimize risk. Unlike antidepressant medications, TMS does not cause weight gain, sexual dysfunction, sleep disturbances, or systemic side effects because the magnetic pulses do not enter your bloodstream.

Question 11

Is TMS safe?

Accepted Answer

Yes. TMS is FDA-cleared and has been used to treat depression since 2008, with a strong safety record across millions of treatment sessions. It is non-invasive, requires no anesthesia, and does not involve any medications or surgery. The most common side effects are mild and temporary, such as scalp discomfort or headache. Serious risks are rare, and patients are carefully screened before treatment to identify any contraindications. TMS is considered safe enough that it is now FDA-cleared for adolescents ages 15 and older for major depressive disorder.

Question 12

Can I drive after a TMS session?

Accepted Answer

Yes. Because TMS does not involve anesthesia, sedation, or any medications that impair cognition, you remain fully awake and alert during the entire procedure. Once your session ends, you can immediately drive yourself home, return to work, or resume any normal daily activities without restrictions. This is one of the key advantages of TMS over alternatives like ketamine therapy or ECT, which require recovery time and someone else to drive you home.

Question 13

What should I wear to a TMS session?

Accepted Answer

Wear comfortable, everyday clothing. There is no need to change into a medical gown. The only requirement is that you remove magnetic-sensitive objects from your head and neck area before treatment, including large earrings, hair clips, hearing aids, and any jewelry containing metal near the treatment site. Since you will be sitting in a comfortable reclining chair for the duration of the session, dressing comfortably is the main priority.

Question 14

Can I take medication during TMS treatment?

Accepted Answer

Yes, in most cases you can continue taking your prescribed antidepressant medications during TMS therapy. TMS is often used as an adjunctive treatment, meaning it is added to your current medication regimen to boost its effectiveness. It is important to discuss all medications, supplements, and over-the-counter drugs you are taking with your TMS provider before starting treatment. Certain medications, particularly some benzodiazepines, anticonvulsants, and stimulants, can affect how your brain responds to magnetic pulses and may need to be adjusted. Never stop or change your medications without consulting your prescribing physician.

Question 15

What happens during the first TMS appointment?

Accepted Answer

Your first TMS appointment, often called the mapping session, is slightly longer than a standard treatment session and typically lasts about an hour. During this visit, the doctor will measure your head to determine the exact placement of the magnetic coil and identify your motor threshold, which is the minimum amount of magnetic energy needed to make your thumb twitch. This calibration ensures the magnetic pulses are customized to your specific brain. Once mapping is complete, you will typically receive your first actual treatment during the same visit.

Question 16

Am I a candidate for TMS?

Accepted Answer

You may be a candidate for TMS if you have been diagnosed with major depressive disorder, OCD, or another FDA-cleared indication, and have not achieved adequate relief from at least one or two antidepressant medications. Most insurance plans require documentation of trying two to four medications before approving coverage. TMS is not recommended for patients with non-removable metallic implants in or near the head (such as cochlear implants, aneurysm clips, or deep brain stimulators), a history of seizures, or certain neurological conditions. The best way to find out if TMS is right for you is to schedule a consultation with a qualified provider. Find a TMS clinic near you

Question 17

Can I get TMS while pregnant?

Accepted Answer

TMS is generally considered a lower-risk option for treating depression during pregnancy compared to many antidepressant medications, which can cross the placenta and affect fetal development. Because the magnetic pulses are localized to the brain and do not enter the bloodstream, TMS is not believed to pose direct risks to a developing fetus. However, the research on TMS during pregnancy is still limited, and decisions should be made carefully with your psychiatrist and OB-GYN. Many providers will treat pregnant patients with TMS when the benefits outweigh the risks, particularly for moderate to severe depression where untreated illness poses its own risks to mother and baby.

Question 18

Can TMS be done at home?

Accepted Answer

No. TMS requires specialized FDA-cleared medical equipment that must be operated by trained healthcare professionals in a clinical setting. The treatment involves precise targeting of specific brain regions and careful monitoring of magnetic pulse intensity, which can only be safely managed in a doctor's office or specialized TMS clinic. Some companies are researching at-home neuromodulation devices, but none are currently FDA-cleared for treating depression. Find a TMS clinic near you

Question 19

How much does TMS cost?

Accepted Answer

A full course of TMS therapy (typically 36 sessions) generally costs between $6,000 and $15,000 without insurance, depending on your location, the clinic, and the protocol used. Accelerated protocols like SNT and Deep TMS can cost more. However, because TMS is FDA-cleared and recognized as an effective treatment for depression, the vast majority of patients use health insurance to cover most of the cost, significantly reducing out-of-pocket expenses. Most clinics offer free insurance verification before you commit to treatment.

Question 20

Does insurance cover TMS?

Accepted Answer

Yes. TMS therapy is covered by most major commercial insurance providers across all 50 states, including Blue Cross Blue Shield, Aetna, Cigna, UnitedHealthcare, and Optum. Specific coverage varies by plan and state. To qualify for coverage, insurance companies typically require documentation of a confirmed diagnosis of major depressive disorder and evidence that you have tried at least two to four different antidepressant medications without adequate success. Coverage has expanded significantly in recent years, with many insurers now covering TMS for adolescents as well as adults, and for FDA-cleared indications beyond depression including OCD. Find clinics that accept your insurance

Question 21

Does Medicare cover TMS?

Accepted Answer

Yes. Medicare covers TMS therapy for adults with severe major depressive disorder under current Local Coverage Determinations (LCDs). Medicare will typically cover the treatment if you have tried and failed to see improvement from at least two different antidepressant medications, or if you have a history of responding well to TMS in the past. Your psychiatrist will need to submit the order and supervise the treatment to ensure it meets Medicare's specific criteria. Medicare Advantage plans may have additional requirements, so it is worth confirming coverage details with your specific plan.

Question 22

Is TMS covered for OCD or anxiety?

Accepted Answer

TMS has been FDA-cleared for obsessive-compulsive disorder (OCD) since 2018, and many major insurance providers now cover it for this indication. However, coverage requirements are typically stricter than for depression, often requiring documented failure of multiple medications and evidence-based therapy like ERP (Exposure and Response Prevention). TMS is not currently FDA-cleared specifically for generalized anxiety disorder, though it is sometimes used off-label and may be covered when anxiety co-occurs with depression. Coverage for anxiety alone is generally not standard. The best path forward is to have your provider verify coverage with your specific insurance plan before starting treatment.

Question 23

What is the typical out-of-pocket cost for TMS?

Accepted Answer

If you are using commercial insurance or Medicare, your out-of-pocket costs depend on your plan's deductible, copay, and coinsurance structure. On average, patients with insurance coverage pay between $50 and $250 per session, depending on whether your deductible has been met. Over a full course of 36 treatments, total out-of-pocket costs typically range from $1,000 to $7,500. Many clinics offer free insurance verification to give you an exact estimate before you begin, and most can submit prior authorization paperwork on your behalf.

Question 24

Are there financing options for TMS?

Accepted Answer

Yes. Most specialized TMS clinics offer flexible financing plans, payment installments, or partner with third-party medical financing companies like CareCredit and Advance Care. These options allow you to spread the cost of treatment over several months or years, often with low or no interest for qualified applicants. Some clinics also offer in-house payment plans or sliding-scale fees based on financial need. When you contact a clinic, ask specifically about financing options during your initial consultation.

Question 25

Why is TMS so expensive?

Accepted Answer

The cost reflects the advanced FDA-cleared medical technology required to deliver treatment safely. TMS machines are sophisticated devices that require regular maintenance and calibration, and treatment must be administered and monitored by trained healthcare professionals over several weeks. Despite the upfront cost, health economic studies suggest TMS is cost-effective in the long run compared to ongoing costs of lifelong medication management, repeated psychiatric hospitalizations, lost productivity, and the broader impacts of untreated depression. For patients who achieve remission, the durability of results can mean fewer healthcare visits and medication costs for years after treatment ends.

Question 26

What is the success rate of TMS?

Accepted Answer

TMS has demonstrated strong effectiveness, particularly for patients who have not found relief from traditional medications. Real-world clinical studies show that 58 to 83 percent of patients experience a significant reduction in depression symptoms (the response rate), and 28 to 62 percent achieve full remission, meaning their symptoms essentially resolve. These outcomes are notably high for treatment-resistant depression, where standard medications have already failed. Results vary based on factors including the specific protocol used, the patient's history, and adherence to the full treatment course. Sources: Carpenter et al. (2012), NeuroStar outcomes registry, BrainsWay clinical data.

Question 27

How long do TMS results last?

Accepted Answer

For many patients, the relief provided by TMS is long-lasting. Studies show that the majority of patients who respond well to initial treatment maintain their improvement for at least a year, with many maintaining benefits significantly longer. Research suggests that TMS may help the brain build new neural pathways and strengthen existing ones, contributing to durable structural changes rather than purely chemical effects. While depression can be a chronic condition that requires ongoing management, TMS offers a reset that helps keep symptoms at bay for extended periods. Some patients benefit from periodic maintenance sessions to sustain results.

Question 28

When will I notice TMS working?

Accepted Answer

Most patients begin to notice subtle improvements around the second or third week of treatment, after 10 to 15 sessions. Common early signs include better sleep quality, improved energy levels, and small lifts in mood. Friends and family members often notice these changes before the patient does. It is important to complete the full prescribed course of treatment even if you start feeling better early on, since stopping prematurely can compromise the durability of results. Some patients respond more quickly with accelerated protocols like SNT, while others may not see meaningful change until later in the treatment course.

Question 29

Can TMS make depression worse?

Accepted Answer

It is extremely rare for TMS to make depression worse. In clinical trials and real-world data, TMS has consistently demonstrated a strong safety profile. Occasionally, patients may experience a temporary mood dip during the first week or two of treatment as the brain adjusts to stimulation, but this is usually short-lived and not a sign that treatment is failing. Your doctor will monitor your progress closely throughout treatment and can adjust the protocol if needed. If you experience worsening symptoms or new suicidal thoughts at any point, tell your provider immediately.

Question 30

What happens if TMS does not work?

Accepted Answer

If you complete a full course of treatment without experiencing the desired relief, your psychiatrist will work with you to explore other options. This may include trying a different TMS protocol such as iTBS or SNT, switching to a Deep TMS device that targets different brain regions, adjusting your medications, or exploring other interventional treatments like Spravato (esketamine) or, in severe cases, ECT. You will not be left without options, and many patients who do not respond to one approach find success with another. A non-response to TMS does not mean your depression is untreatable.

Question 31

Can I get TMS again if it stops working?

Accepted Answer

Yes. If your depression symptoms return months or years after a successful course of TMS, you can undergo maintenance or retreatment sessions. Many insurance companies, including Medicare, will cover retreatment if you had a documented positive response (typically at least 50 percent improvement) during your first round of TMS. Retreatment courses are often shorter than the initial course, sometimes requiring only 10 to 20 sessions to restore benefits. Some patients benefit from scheduled maintenance sessions every few months to prevent relapse rather than waiting for symptoms to return.

Question 32

TMS vs ketamine therapy

Accepted Answer

TMS and ketamine therapy are both effective fast-acting treatments for treatment-resistant depression, but they work through entirely different mechanisms. TMS uses magnetic pulses to stimulate underactive brain regions over a series of daily sessions, with no systemic effects, no sedation, and no downtime. You can drive yourself home immediately after each session. Ketamine therapy works on the brain's glutamate system to rapidly repair damaged synapses. It is administered intravenously or via nasal spray (Spravato) and typically requires monitoring in a clinic for at least two hours after treatment due to potential dissociation, sedation, and blood pressure changes. Patients cannot drive themselves home after ketamine sessions. Ketamine often provides faster initial relief, sometimes within hours, while TMS offers more durable structural changes over time without acute side effects. Many patients use both treatments at different points in their care. Read the full TMS vs Ketamine comparison

Question 33

TMS vs ECT

Accepted Answer

While both treat severe depression, TMS and Electroconvulsive Therapy (ECT) are vastly different experiences. ECT requires general anesthesia and uses electrical currents to intentionally trigger a brief, controlled seizure. It can cause significant side effects including memory loss and cognitive impairment, and requires substantial recovery time after each session. TMS is non-invasive, does not cause seizures, requires no anesthesia, and patients remain fully awake during treatment. There is no associated memory loss or cognitive impairment, and you can drive yourself home immediately afterward. ECT remains the gold standard for the most severe, life-threatening cases of depression, particularly when rapid response is critical. TMS is a much gentler, often first-line option for patients who have not found relief from standard medications but do not require the intensity of ECT. Read the full TMS vs ECT comparison

Question 34

TMS vs antidepressant medications

Accepted Answer

Antidepressant medications like SSRIs and SNRIs are systemic treatments that travel through your bloodstream and affect your entire body. While effective for many people, this systemic approach often produces side effects including weight gain, sexual dysfunction, insomnia, nausea, and fatigue. Up to 30 percent of patients do not achieve adequate relief from medications alone. TMS is a targeted, localized treatment that affects only the specific brain regions involved in mood regulation. Because magnetic pulses do not enter the bloodstream, TMS avoids the systemic side effects associated with medications. Research suggests TMS may help the brain develop new neural pathways over time, offering a structural rather than purely chemical approach. Many patients use TMS in combination with their existing medications to finally achieve full remission. Read the full TMS vs Medications comparison

Question 35

TMS vs Spravato (esketamine)

Accepted Answer

Spravato is the FDA-approved prescription nasal spray version of ketamine, used for treatment-resistant depression. Both Spravato and TMS are highly effective for patients who have not responded to traditional oral antidepressants, but the treatment experiences differ substantially. TMS involves daily brief sessions (3 to 40 minutes) over several weeks where you sit in a chair, fully awake, receiving magnetic pulses. You can drive immediately afterward. Spravato is typically administered twice a week for the first month, then less frequently. Patients self-administer the nasal spray in the presence of medical staff at a certified REMS-designated clinic, then remain under observation for two hours due to potential dissociation, dizziness, and sedation. You cannot drive yourself home after a Spravato session. Both are excellent options. TMS is generally preferred by patients who need to maintain normal daily routines without interruption, while Spravato may appeal to patients seeking faster initial relief. Read the full TMS vs Spravato comparison

Question 36

TMS vs Deep TMS

Accepted Answer

Standard TMS (often called rTMS) and Deep TMS use the same underlying technology (magnetic stimulation of the brain) but with different coil designs that target different depths and areas of the brain. Standard TMS uses a figure-8 coil that targets a focused, relatively shallow area of the prefrontal cortex (about 1.5 cm deep). It is typically used for major depressive disorder. Deep TMS, developed by BrainsWay, uses an H-coil that reaches deeper brain structures (about 3.2 cm deep) and stimulates a broader area. Deep TMS is FDA-cleared for major depressive disorder, OCD, smoking cessation, and anxious depression. Neither is universally better. The right choice depends on your diagnosis, the protocols available at your clinic, and how your insurance covers each modality. Both have strong evidence bases and similar safety profiles. Read the full TMS vs Deep TMS comparison

TMS Therapy: Frequently Asked Questions

Sources and references