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It’s not unusual to feel down in the dumps once in a while — many times, those feelings pass within a couple days. But if feelings of sadness last longer than two weeks, you may be suffering from depression. In this case, it’s important you talk with your doctor. The good news is that depression can be successfully treated.


What is depression?

Depression is a common, but serious condition that affects how you think and feel. It can also be associated with physical symptoms. About one in 15 people every year suffer from it; that’s about 16 million people in all. Depression can range from mild to severe, and symptoms can vary by each person.

What causes it?

Depression can happen without a direct cause, but the following factors may contribute to the risk of developing it:

  • Medical conditions. Being sick can be stressful, and lead to feelings of sadness and depression.
  • Trauma. Experiencing trauma at a young age can affect how one reacts to stressors, which may cause depression.
  • Drug and alcohol abuse. About 30 percent of people who have issues with addiction also suffer from depression.
  • Chemical imbalances. Certain chemicals in a person’s brain may influence their risk of depression.
  • Family history. If someone in your family has had depression, you may be more susceptible to it.



What are the signs?
If you’re depressed, you may not want to be with people — you may even start to isolate yourself. This kind of withdrawal can cause pain and may affect those around you.

Here are a few other common symptoms of depression:

  • Significant changes in sleeping patterns or appetite
  • Loss of interest in things you used to enjoy
  • Feeling sad, hopeless, pessimistic, guilty or helpless
  • Becoming easily fatigued or restless
  • Having difficulty concentrating or making a decision
  • Experiencing thoughts of death or suicide*

Depression can be different from person to person. If your symptoms are severe or have lasted longer than two weeks, it’s time to speak with your doctor.

Reach out for help

Your first step should be to talk with your doctor. Your doctor will ask about your health history and do a physical exam. Some medicines or medical problems can cause symptoms similar to depression. Your doctor may order lab tests to help rule them out. Then, your doctor will use the exam and test results to determine your treatment.

Stay connected and be patient

Try to be active and get some exercise, if your doctor suggests it. Be around other people. Talk to those you trust and ask for support, too. But don’t expect your energy and positive outlook to pop back into place right away. That should return over time, as you get the help you need. Also, if your doctor prescribed medication for depression, keep in mind it may take weeks to work, and sometimes different medications need to be prescribed. If you’re concerned your medication is not helping, talk to your doctor.

*If you have thoughts of hurting yourself or others, call your health care professional, 911 or a suicide hotline, such as 1-800-SUICIDE (1-800-784-2433). Or have someone drive you to your nearest emergency department. If you feel that you are in immediate danger of hurting yourself or others, call 911 or your local emergency services immediately.



  • National Institute of Mental Health. Depression. Accessed November 16, 2017.
  • American Psychiatric Association. What is depression? Accessed November 16, 2017.
  • National Alliance on Mental Illness (NAMI). Depression. Accessed November 16, 2017.

Last Updated: November 16, 2017

The information provided is for general informational purposes only and is not intended to be medical advice or a substitute for professional health care. You should consult an appropriate health care professional for your specific needs and to determine whether making a lifestyle change or decision based on this information is appropriate for you. Some treatments mentioned may not be covered by your health plan. Please refer to your benefit plan documents for information about coverage.


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