Skip to content

Cancer Health Center

Font Size

Post-traumatic Stress Disorder (PDQ®): Supportive care - Patient Information [NCI] - Diagnosis and Symptoms

Post-traumatic stress disorder (PTSD) is defined as the development of certain symptoms following a mentally stressful event that involved actual death or the threat of death, serious injury, or a threat to oneself or others. For the person who has experienced a diagnosis of cancer, the specific trauma that triggers PTSD is unclear. It may be the actual diagnosis of a life-threatening illness, aspects of the treatment process, test results, information given about recurrence, or some other aspect of the cancer experience. Learning that one's child has cancer is traumatic for many parents. Because the cancer experience involves so many upsetting events, it is much more difficult to single out one event as a cause of stress than it is for other traumas, such as natural disasters or rape. The traumatic event may cause responses of extreme fear, helplessness, or horror and may trigger PTSD symptoms.

PTSD in cancer survivors may be expressed in these specific behaviors:

Recommended Related to Cancer


This complementary and alternative medicine (CAM) information summary provides an overview of the use of Essiac and Flor Essence, which are proprietary herbal tea mixtures, as treatments for people with cancer. The summary includes a brief history of the development of Essiac and Flor Essence; a review of laboratory, animal, and human studies; and possible side effects associated with Essiac and Flor Essence use. This summary contains the following key information: Essiac and Flor Essence...

Read the Overview article > >

  • Reliving the cancer experience in nightmares or flashbacks and by continuously thinking about it.
  • Avoiding places, events, and people connected to the cancer experience.
  • Being continuously overexcited, fearful, irritable, and unable to sleep.

To be diagnosed as PTSD, these symptoms must last for at least one month and cause significant problems in the patient's personal relationships, employment, or other important areas of daily life. Patients who have these symptoms for less than one month often develop PTSD later.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Public Information from the National Cancer Institute

    Last Updated: May 28, 2015
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
    Next Article:

    Today on WebMD

    Colorectal cancer cells
    New! I AM Not Cancer Facebook Group
    Lung cancer xray
    See it in pictures, plus read the facts.
    sauteed cherry tomatoes
    Fight cancer one plate at a time.
    Ovarian cancer illustration
    Real Cancer Perspectives
    Jennifer Goodman Linn self-portrait
    what is your cancer risk
    colorectal cancer treatment advances
    breast cancer overview slideshow
    prostate cancer overview
    lung cancer overview slideshow
    ovarian cancer overview slideshow
    Actor Michael Douglas