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    Learning about depression

    Depression is feeling sad, blue, unhappy, or down in the dumps. Most people feel this way once in a while.

    Clinical depression is a mood disorder. It occurs when feelings of sadness, loss, anger, or frustration get in the way of your life over a long period of time. It also changes how your body works.

    Depression is caused by changes in the chemicals in your brain. The condition may start during or after a painful event in your life. It may happen when you take certain medicines. It can also start after pregnancy.

    Sometimes there is no clear trigger or reason.

    What Are the Signs of Depression?

    You maynotice some or all of the following problems. Talk to your doctor if you have symptoms that last for 2 weeks or longer.

    You will always have changes in your daily moods or feelings when you are depressed. You may:

    • Feel sad or blue most or all of the time
    • Feel bad-tempered or irritable most of the time, with sudden bursts of anger
    • Not enjoy activities that normally make you happy, including sex
    • Feel hopeless or helpless
    • Not feel good about yourself, or have feelings of worthlessness, self-hate, and guilt

    Normal daily activities also change when you are depressed. You may:

    • Have trouble sleeping or sleep more than normal
    • Have a hard time concentrating
    • Move around more slowly or seem "jumpy" or agitated
    • Feel much less hungry than before, or even lose weight
    • Feel tired and lack energy
    • Become less active or stop doing usual activities

    Depression can lead tothoughts of death or suicide, which can be dangerous. Always talk to a friend or family member and call your doctor when you have these feelings.

    Taking Care of Your Depression at Home

    There are many things you can do at home to help manage your depression.

    • Get enough sleep.
    • Follow a healthy diet.
    • Take medicines correctly. Learn how to manage side effects.
    • Watch for early signs that depression is getting worse. Have a plan if it does.
    • Try to exercise more.
    • Look for activities that make you happy.

    Avoid alcohol and illegal drugs. These can make depression worse over time. They may also get in the way ofyour judgment about suicide.

    Talk to someone you trust about your feelings of depression.Try to be around people who are caring and positive. Volunteering or getting involved in group activities may help.

    If you are depressed in the fall or winter, ask your doctor about light therapy. This treatmentuses a special lamp that acts like the sun.

    Taking Medicines for Depression

    Some people may feel better after a few weeks of taking antidepressant medicines. But many people need to take these medicines for4 - 9 months. They need this to get a full response and prevent depression from coming back.

    If you need antidepressant medicines, you should take them every day. Your doctor may need to change the type ofmedicineyou takeor the dose.

    Don't stop taking your medicine on your own, even if you feel better or have side effects. Always call your doctor first. When it is time to stop your medicine, you and your doctor will slowlycut downthe amount you take over time.

    Talk Therapy

    Talk therapy and counseling can help many people with depression. It also helps you learn ways to deal with your feelings and thoughts.

    There are many different types of talk therapy. Effective treatment often combines:

    • Talk therapy
    • Lifestyle changes
    • Medicine


    Fava M, Cassano P. Mood disorders: Major depressive disorder and dysthymic disorder. In: Stern TA, Rosenbaum JF, Fava M, Biederman J, Rauch SL, eds. Massachusetts General Hospital Comprehensive Clinical Psychiatry. 1st ed. Philadelphia, Pa: Mosby Elsevier; 2008:chap 29.

    American Psychiatric Association. Practice guidelines for the treatment of patients with major depressive disorder.3rd ed. October 2010.

    Little A. Treatment-resistant depression. Am Fam Physician. 2009;80:167-172.


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      A Closer Look

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      Review Date: 11/17/2012

      Reviewed By: Timothy Rogge, MD, Medical Director, Family Medical Psychiatry Center, Kirkland, WA. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, David R. Eltz, Stephanie Slon, and Nissi Wang.

      The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.

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