A type of chronic pain characterised by a series of intermittent episodes, such as migraine headaches
Longer lasting, involving complex physiological, psychological, social, and behavioural components
A coping style that heightens the experience of pain and predicts greater post-surgical or labour pain
Persists longer than six months and is intractable to treatment, exemplified by low back pain
Persists longer than six months with increasing severity, associated with malignancies or degenerative disorders
Pain experienced in an appendage that is no longer physically present, challenging traditional pain models
Shorter in duration (six months or less), typically caused by soft tissue damage, infection, or inflammation