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  Health Information Center  :  D  :  Depression

 The Use of Medications in the Treatment of Depression

 


What are the types of treatment for depression?
A physician can treat depression by prescribing any number of lifestyle changes and medical therapies, including:

Lifestyle changes

  • Stopping the intake of alcohol and/or sedatives
  • Exercising regularly
  • Eating a healthy diet (supplemental vitamin B complex)

Medical therapies

  • Switching current medications (such as antihypertensives, contraceptives, and steroids) to reduce side effects that may be causing depression
  • Diagnosing and treating other conditions known to cause depression (such as hypothyroidism)
  • Counseling (psychotherapy: cognitive-behavioral, interpersonal, and other forms)
  • Light therapy (exposure to white fluorescent light to reduce symptoms of seasonal affective disorder)
  • Antidepressant medication
  • Electroconvulsive therapy (controlled electrical discharge to induce seizure-like activity in the brain)
  • Combinations of therapy
  • Hypericum (St. Johns Wort) for mild single depression

Ongoing research

  • Norepinephrine Reuptake Inhibitor
    —Reboxetine
  • Substances "P" antagonists
  • Vagal nerve stimulation
  • Deep brain stimulation

What conditions can be treated with antidepressant medications?
Antidepressants can be used for the treatment of:

  • Major depression (symptoms of depression that persist for more than two weeks)
  • Panic disorder
  • Chronic pain
  • Bed wetting (enuresis)
  • Chronic depression (dysthymia)
  • Migraines
  • Chronic fatigue syndrome

How effective are antidepressants in the treatment of depression?
All antidepressant medications are effective in treating depression. Antidepressants have been shown to be 60 to 70 percent effective for treating depression. The effectiveness of individual types of antidepressants can vary from patient to patient.

How are antidepressant medications prescribed?
Antidepressants are chosen based on:

  • Any medical illnesses that are present
  • Side effects from previous treatments with antidepressants or concern over side effects that may occur
  • Effectiveness of medication in other family members
  • Medications being taken for other conditions
  • Effectiveness of a medication in controlling a past episode of depression
  • The presence of another psychiatric disorder (such as panic disorder)

What are the types of antidepressants?
Selective Serotonin Reuptake Inhibitors include:

  • Fluoxetine (Prozac)
  • Sertraline (Zoloft)
  • Paroxetine (Paxil)
  • Fluvoxamine (Luvox)
  • Citalopram (Celexa)
  • Escitalopram (Lexapro)

Selective serotonin reuptake inhibitors (SSRIs) have advantages over other antidepressants including fewer side effects and effectiveness at lower dosages. However, they are more expensive and can cause sexual dysfunction, nausea and diarrhea, and headache.

Tricyclics include:

  • Amitriptyline (Elavil)
  • Amoxapine (Asendin)
  • Clomipramine (Anafranil) (for obsessive-compulsive disorder)
  • Desipramine (Norpramin)
  • Doxepin (Sinequan)
  • Imipramine (Tofranil)
  • Nortriptyline (Pamelor)
  • Protriptyline (Vivactil)
  • Trimipramine (Surmontil)

Tricyclics (TCA) are less expensive and can be helpful for reducing pain, providing weight gain, and improving sleep. They can cause dizziness, constipation, and urinary retention.

Other common antidepressants include:

  • Mirtazepine (Remeron)
  • Trazodone (Desyrel)
  • Nefazodone (Serzone)
  • Bupropion (Wellbutrin)
  • Venlafaxine (Effexor)
  • Monoamine oxidase inhibitors (MAOIs)
    —Tranylcypromine (Parnate)
    —Phenelzine (Nardil)
    —Isocarboxazid (Marplan)

When MAOIs are prescribed for chronic depression, the patient must restrict tyramine-containing foods from his or her diet and avoid certain medications.

How soon does an antidepressant begin working and how long do I need to take it?
Some symptoms may begin to improve after a few days. More significant improvement should occur after 2 to 3 weeks of treatment. In elderly patients, symptoms may take up to 12 weeks to improve.

The length of time you need to continue use of the medication depends on a number of factors, including your age, the severity of your depression, and whether you have suffered from depression in the past.

Generally, if this depression is your first episode, you should stay on the medication for 1 year. If you have had two episodes of depression, your doctor may recommend that you continue the medication for 2 to 5 years. Persons who have had three or more episodes of depression generally need to take medication for life to prevent depression from recurring (maintenance medication).

How can I know when to stop my medication?
Fifty to 85 percent of patients who have had one episode of major depression will go on to have a second episode, usually within 2 to 3 years. Lifelong maintenance through the use of medication may prevent depression from recurring.

Maintenance medication is recommended when the person has had:

  • Three or more episodes of major depression
  • Two episodes of major depression plus a family history for depression (unipolar or bipolar manic depression)
  • History of recurrence within 1 year after effective medication has been stopped
  • Early onset of depression (first episode before age 20)
  • Two episodes, both severe and sudden

If you plan to stop your medication, the medication needs to be tapered off slowly over months rather than stopped abruptly. However, abrupt discontinuation may be required in cases of medical emergency.

Where can I learn more?

National Alliance for the Mentally Ill
Colonial Place Three
2107 Wilson Blvd., Suite 300
Arlington, VA  22201-3042
(703) 524-7600
www.nami.org

National Mental Health Association
2001 N. Beauregard Street, 12th Floor
(703) 684-7722
www.nmha.org








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