An early symptom indicating the onset of a disease or condition.
An early or premonitory symptom or set of symptoms of a disease or a disorder.
The stage of an infectious (communicable) disease at the point when signs and symptoms appear and most diseases are communicable to others.
Earliest sign of a disease or a developing condition.
Symptoms indicative of approaching disease.
Symptoms that appear before the actual onset of a disease.
An indication or symptom of the impending outbreak of a condition or disease. For example, a tingling or burning sensation is a prodrome or warning sign of a cold sore. Many infectious diseases are most contagious during their prodromal phase.
A prelude preceding the acute phase of a disease during which the patient experiences distinctive early symptoms indicative of the impending condition.
An initial indicator of an impending illness. An illustration of a prodrome is an aura, which comprises distinct physical and mental symptoms that might manifest right before an episode of migraine or epilepsy.
An initial sign indicating the onset of a disease, before the distinct symptoms emerge.