The prolongation of a pain or other medical condition

The capacity of a substance to cause long-term or delayed adverse health effects.

Clipping of chronic Lyme disease.

(medicine) One of the two entities making up chronic obstructive pulmonary disease (COPD), defined as having a productive cough for three months in each of two successive years in a patient in whom other causes of chronic cough have been excluded.

plural of chronic toxicity

Synonym of long Covid

(pathology) A condition characterized by immune, endocrine and neurologic pathology whose main symptoms are extreme fatigue, extremely low stamina, muscle pain, lymph node swelling, postexertional malaise, and cognitive difficulties.

(medicine, biology) The condition of individual cells in a patient suffering from chronic dehydration.

(medicine) Any of a group of hereditary defects in the ability of some phagocytes to kill certain bacteria; the resulting infection

(pathology, neurology) a form of traumatic brain injury; it is a progressive degenerative disease found in individuals who have been subjected to multiple concussions and other forms of head injury