Relief from Depression with Transcranial Magnetic Stimulation (TMS)

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Health & Psychiatry is Tampa Bay’s Leading Behavioral Health Provider

TMS // Psychiatric Evaluation // Medication Management // Addiction Treatment


Transcranial magnetic stimulation (TMS) is a noninvasive procedure that uses magnetic fields to stimulate nerve cells in the brain to improve symptoms of depression. TMS is typically used when other depression treatments haven’t been effective.

How It Works

Repetitive transcranial magnetic stimulation (TMS)

During a TMS session, an electromagnetic coil is placed against your scalp near your forehead. The electromagnet painlessly delivers a magnetic pulse that stimulates nerve cells in the region of your brain involved in mood control and depression. And it may activate regions of the brain that have decreased activity in people with depression. 


Though the biology of why TMS works isn’t completely understood, the stimulation appears to affect how this part of the brain is working, which in turn seems to ease depression symptoms and improve mood. 


Treatment for depression involves delivering repetitive magnetic pulses, so it’s called repetitive TMS or TMS.

What You Can Expect

Repetitive transcranial magnetic stimulation (TMS) is usually done on an outpatient basis in a doctor’s office or clinic. It requires a series of treatment sessions to be effective. Generally, sessions are carried out daily, five times a week for four to six weeks. 

Your First Treatment

Before treatment begins, your doctor will need to identify the best place to put the magnets on your head and the best dose of magnetic energy for you. Your first appointment typically lasts about 60 minutes.

Most likely, during your first appointment:

  • You’ll be taken to a treatment room, asked to sit in a reclining chair and given earplugs to wear during the procedure.
  • An electromagnetic coil will be placed against your head and switched off and on repeatedly to produce stimulating pulses. This results in a tapping or clicking sound that usually lasts for a few seconds, followed by a pause. You’ll also feel a tapping sensation on your forehead. This part of the process is called mapping.
  • Your doctor will determine the amount of magnetic energy needed by increasing the magnetic dose until your fingers or hands twitch. Known as your motor threshold, this is used as a reference point in determining the right dose for you. During the course of treatment, the amount of stimulation can be changed, depending on your symptoms and side effects.

During Each Treatment

Once the coil placement and dose are identified, you’re ready to begin. Here’s what to expect during each treatment:


  • You’ll sit in a comfortable chair, wearing ear plugs, with the magnetic coil placed against your head.
  • When the machine is turned on, you’ll hear clicking sounds and feel tapping on your forehead.
  • The procedure will last about 40 minutes, and you’ll remain awake and alert. You may feel some scalp discomfort during the treatment and for a short time afterward.

After Each Treatment

You can return to your normal daily activities after your treatment. Typically, between treatments, you can expect to work and drive. There are different ways to perform the procedure. Techniques may change as experts learn more about the most effective ways to perform treatments.


If repetitive transcranial magnetic stimulation (TMS) works for you, your depression symptoms may improve or go away completely. Symptom relief may take a few weeks of treatment. 


Repetitive TMS may be less likely to work if:

  • Your mental illness includes detachment from reality (psychotic symptoms)
  • Your depression has lasted for several years
  • Electroconvulsive therapy (ECT) hasn’t worked to improve depression symptoms


The effectiveness of TMS may improve as researchers learn more about techniques, the number of stimulations required and the best sites on the brain to stimulate.

Ongoing Treatment

It’s not yet known if maintenance TMS sessions will benefit your depression. This involves continuing treatment when you are symptom-free with the hope that it will prevent the return of symptoms. Most insurance companies don’t cover maintenance TMS. However, if your depression improves with TMS, and then later you have another episode of symptoms, your TMS treatment can be repeated. This is called re-induction. Some insurance companies will cover re-induction. If your symptoms improve with TMS, discuss ongoing or maintenance treatment options for your depression with your doctor.

Common side effects

Side effects are generally mild to moderate and improve shortly after an individual session and decrease over time with additional sessions. They may include:

  • Headache
  • Scalp discomfort at the site of stimulation
  • Tingling, spasms or twitching of facial muscles
  • Lightheadedness

Uncommon side effects

Serious side effects are rare. They may include:

  • Seizures
  • Mania, particularly in people with bipolar disorder
  • Hearing loss if there is inadequate ear protection during treatment

More study is needed to determine whether TMS may have any long-term side effects.

Insurance: Covered by Most Insurance Plans

TMS Therapy is covered by all major insurance companies, including Medicare, Medicaid, United Healthcare, Blue Cross and Blue Shield, Cigna, Aetna, Tricare, and others. Other insurance providers have covered TMS Therapy on a case by case basis. 


However, if your insurance plan does not cover TMS Therapy, the cost of therapy may be recoverable from various sources including Private Insurers, Flexible Spending Accounts and Patient Financing Loans. During your free consultation, a Patient Consultant will discuss any questions you may have regarding insurance coverage, costs, payments, and reimbursement. 

We look forward to assisting you with the coverage and reimbursement process.

Find out if TMS Therapy is right for you or a loved one.

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Patient services are provided without regard to race, color, religion, gender, sexual orientation, disability (mental or physical), communicable diseases or place of national origin.

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