Preventing depression depends on the factors involved. Social supports that help people deal with loss, mobility changes, and other depression triggers can be helpful. In many cases, there is no way to prevent depression.
Some older patients may be screened for depression, especially if their condition changes.
Institute for Clinical Systems Improvement. Health Care Guideline: Major Depression in Adults in Primary Care. 11th ed. May 2008.
Unutzer J. Clinical practice. Late-life depression. N Engl J Med. 2007;357:2269-2276.