post-traumatic stress disorder; PTSD
Medical term. The synonym 心的外傷後ストレス障害 is also used, but this shorter form is common in clinical contexts.
See also: 心的外傷後ストレス障害
彼は戦争体験から外傷後ストレス障害を発症した。
He developed PTSD from his war experiences.
Treatment for PTSD requires specialized care.